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Hysteresis loops of MgB2 + Co composite tapes / E. Altin [et al.] // J. Mater. Sci.: Mater. Electron. - 2013. - Vol. 24, Is. 4. - P. 1341 - 1347DOI 10.1007/s10854-012-0931-2
Аннотация: The (MgB2)1-xCox composite tapes fabricated by the ex situ PIT method were investigated. The structural and magnetic properties were characterized. Only MgB2 and Co phases were observed in the composites while x B 0.2. A superconducting transition temperature was stable for these samples. Enhancement of the critical current density is found for x = 0.1.
Fen Edebiyat Fakultesi Fizik Bolumu, Superiletkenlik Arastirma Grubu, Inonu Universitesi, 44280 Malatya, Turkey

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Держатели документа:
Bilimsel ve Teknolojik Aras¸tırma Merkezi, Inonu Universitesi, 44280 Malatya, Turkey

Доп.точки доступа:
Altin, E.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Altin, S.; Yakinci, M.E.
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Bandpass filter with an ultra wide stopband designed on miniaturized coaxial resonators / B. A. Belyaev [et al.] // J. Commun. Technol. Electron. - 2013. - Vol. 58, No. 2. - P. 110-117DOI 10.1134/S1064226913020022
Аннотация: Characteristics of a new miniaturized coaxial resonator are theoretically investigated. It is shown that the first resonant frequency of the resonator can be significantly lowered relative to the second one and the resonator dimensions can be considerably decreased as compared to those of a traditional dielectric filled quarter wavelength coaxial resonator. Based on the investigated resonator, a fourth order bandpass filter has been designed and fabricated. The filter stopband at a level of no worse than –90 dB extends to the frequency that exceeds the passband center frequency by a factor of 47. Calculated frequency responses are in good agreement with those measured on the fabricated filter prototypes.

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Публикация на русском языке Полосно-пропускающий фильтр со сверхширокой полосой заграждения на миниатюризованных коаксиальных резонаторах. - [S. l. : s. n.]

Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Tomsk 660074, Russia
Siberian State Aerosp Univ, Tomsk 660014, Russia

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Leksikov, Al. A.; Лексиков, Александр Александрович; Serzhantov, A. M.; Сержантов, Алексей Михайлович; Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Bal'va, Y. F.; Бальва, Ярослав Федорович; Leksikov, An. A.; Лексиков, Андрей Александрович
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Slabko, V. V.
Self-organised aggregation of a pair of particles with different resonant frequencies and electric dipole moments of transitions, controlled by an external quasi-resonant field / V. V. Slabko, A. S. Tsipotan, A. S. Aleksandrovsky // Quantum Electron. . - 2013. - Vol. 43, no. 5. - P. 458-462DOI 10.1070/QE2013v043n05ABEH015021
Аннотация: The influence of the oscillation phases of the dipole moments induced in metal nanoparticles and quantum dots by an external laser field on their interaction energy is considered. It is shown that a difference in resonant frequencies leads to the formation of additional minima and maxima, which are absent in the spectral dependence of the interaction energy of identical particles at similar orientations of the pair of particles with respect to the plane of polarisation of radiation. These features are due to the fact that the oscillation phase difference of the induced dipole moments of particles reaches values close to π.

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Публикация на русском языке Слабко, Виталий Васильевич. Управляемая внешним квазирезонансным полем самоорганизованная агрегация пары частиц с разными резонансными частотами и электродипольными моментами переходов / В. В. Слабко // Квантовая электроника. - 2013. - Т. 43, № 5. - С. 458-462

Доп.точки доступа:
Tsipotan, A. S. ; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Слабко, Виталий Васильевич
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Shauro, V. P.
On the time-optimal implementation of quantum Fourier transform for qudits represented by quadrupole nucleus : Proceedings Paper / V. P. Shauro, V. E. Zobov ; ed. V. P. Shauro ; Int. Conf. on Micro- and Nano-Electronics // Pros. SPIE. - 2012. - Vol. 8700. - Ст. 87001G, DOI 10.1117/12.2016983. - Cited References: 15 . - ISSN 0277-786X. - ISSN 978-0-819

РУБ Nanoscience & Nanotechnology + Optics
Рубрики:
ALGORITHMS
Кл.слова (ненормированные):
qudit -- quantum Fourier transform -- time-optimal control -- nuclear magnetic resonance
Аннотация: We consider the problem of time-optimal realization of the quantum Fourier transform gate for a single qudit with number of levels d from 3 to 8. As a qudit the quadrupole nucleus with spin I > 1/2 controlled by NMR is considered. We calculate the dependencies of the gate error on the duration of radio-frequency pulse obtained by numerical optimization using Krotov-based algorithm. It is shown that the dependences of minimum time of QFT gate implementation on qudit dimension are different for integer and half-integer spins.

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Доп.точки доступа:
Zobov, V. E.; Зобов, Владимир Евгеньевич; Shauro, V. P. \ed.\; Шауро, Виталий Павлович; International Conference on Micro- and Nano-Electronics (Oct. 1-5, 2012 ; Zvenigorod, Russia)
}
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    Physical, electrical, transport and magnetic properties of Nd(Ba,Nd)2.1Cu3O7−δ system / E. Altin [et al.] // J. Mater. Sci.: Mater. Electron. - 2013. - Vol. 24. - P. 5075-5084DOI 10.1007/s10854-013-1526-2
   Перевод заглавия: Физические, электрические и транспортные свойства системы Nd(Ba,Nd)2.1Cu3O7−δ
Аннотация: In this study, the superconducting Nd(Ba,Nd)2.1Cu3O7−δ system has been prepared using conventional solid-state reaction technique. Transport properties including structural/microstructural evolution, electrical, magnetic and critical current density properties were investigated. After high temperature heat treatments at over 1,000 °C, large and strongly connected grains were obtained but weakly connected and small in size granular formation were obtained for the low temperature heat treated samples at around 900 °C. The best T c and T 0 values were obtained as 93 and 89 K respectively for the sample prepared at 1,020 °C for 24 h, which is very close to peritectic temperature of YBCO material. Magnetization of the sample heat treated at 1,020 °C was investigated in detail. The magnetization hysteresis loops are expounded to be the product of Nd-123 grains and unscreened Nd3+ ions within intergranular boundaries and vortex cores. The peak effect on the magnetization curves was described by the extended critical state model. Temperature dependencies of the irreversibility field, the peak field and the full penetration field correlate and there is scaling behavior of the pinning force as well. Thermoelectric power data was analyzed by “Modified two band model with linear T-term for superconductors”. Temperature dependence of thermal conductivity of the samples showed small peak with broad maximum just below the T c value. Thermal conductivity of samples prepared was calculated by using “The Modified Callaway Model and Wiedermann–Franz law” and results obtained discussed.

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Держатели документа:
Inonu Univ, Bilimsel & Teknol Arastirma Merkezi, TR-44280 Malatya, Turkey
LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Inonu Univ, Sagl Hizmetleri Meslek Yuksek Okulu, TR-44280 Malatya, Turkey

Доп.точки доступа:
Altin, E.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Kurt, F.; Yakinci, Z. D.
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    Jc enhancement and flux pinning of Se substituted YBCO compound / Z. D. Yakinci [et al.] // J. Mater. Sci.: Mater. Electron. - 2013. - Vol. 24. - P. 4790–4797, DOI 10.1007/s10854-013-1476-8. - The work is supported by Project No. 7 of RAS Program ‘"Quantum physics of condensed matter" . - ISSN 0957-4522
   Перевод заглавия: Увеличение критического тока и пиннинг потока в соединении YBCO с замещением Se
Аннотация: Y2/3 Se1/3Ba2Cu3Ox compound was fabricated by using solid state fabrication technique. Optimum heat treatments conditions for Y0.77Se0.33Ba2Cu3Ox were investigated. It was determined that the XRD results of these samples were similar to Y-123 phase with some impurities. Magnetization dependence of applied magnetic fields was measured in the range of 0-9В T at 10-50В K. The symmetric and asymmetric M-H loops were obtained for the samples. Magnetization loops obtained from measurements were successfully described by the extended Valkov-Khrustalev model. The temperature and applied magnetic field dependencies of magnetization of sample were estimated and critical current density of samples was calculated by Bean model and pinning force of samples was calculated by using Lorentz force. It is found from critical current density values that Se additions were acted as a pinning center which increased critical current density. В© 2013 Springer Science+Business Media New York.

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Держатели документа:
Inonu Univ, Sagl Hizmetleri Meslek Yuksek Okulu, TR-44280 Malatya, Turkey
SB RAS, LV Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Inonu Univ, Bilimsel & Teknol Arastrma Merkezi, TR-44280 Malatya, Turkey
Inonu Univ, Fen Edebiyat Fak, Superiletkenl Arastirma Grubu, TR-44280 Malatya, Turkey

Доп.точки доступа:
Yakinci, Z. D.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Altin, E.; Kurt, F.; Altin, S.; Demirel, S.; Aksan, M. A.; Yakinci, M. E.
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    Zobov, V. E.
    Quantum and classical correlations in high temperature dynamics of two coupled large spins : conference paper / V. E. Zobov // Proc. SPIE. - 2012. - Vol.8700. - Ст. 87001D. - P. , DOI 10.1117/12.2016982. - Cited References: 17 . - ISSN 0277-786X. - ISSN 978-08194
   Перевод заглавия: Квантовые и классические корреляции в высокотемпературной динамике двух связанных больших спинов
Кл.слова (ненормированные):
Dynamical correlations -- Measurement -- Mutual information -- Nuclear magnetic resonance -- Spin coherent states
Аннотация: We study dynamical correlations of two coupled large spins depending on the time and on the spin quantum numbers. In the high-temperature approximation, we obtain analytical expressions for the mutual informations, quantum and classical parts of correlations. The latter was obtained performing the non-orthogonal projective (POVM) measurements onto the spin coherent states of two spins or one spin, as well as by means of the orthogonal projective measurement of von Neumann. Contribution from quantum correlations is much less than that from classical ones and decreasing with the increase in spin quantum numbers at short times. However, it is not so in a time equal to half of the quantum period. © 2012 SPIE.

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Доп.точки доступа:
Зобов, Владимир Евгеньевич; International Conference on Micro- and Nano-Electronics (Oct. 1-5, 2012 ; Zvenigorod, Russia)
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Light passage through the polymer film of liquid crystal droplets with modified boundary conditions / V. A. Loiko [et al.] // Semiconductor Physics, Quantum Electronics and Optoelectronics. - 2013. - Vol. 16, № 1. - P. 185-189. - This work was performed under the aegis of the Integration Project and supported by the Belarusian Republican Foundation for Fundamental Research, Project No. F12SO-007
Кл.слова (ненормированные):
polymer dispersed liquid crystal -- transmittance -- scattering -- light modulation
Аннотация: A method to analyze coherent transmission coefficients and the small-angle light scattering structure of PDLC layer with homogeneous and inhomogeneous boundary conditions on the droplets surface is discussed. For PDLC films with inhomogeneous boundary conditions at the polymer -- liquid crystal interface, asymmetry of the angular structure of light scattering with respect to the polar angle is revealed. Besides, experimental results on transmittance are presented.

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Держатели документа:
B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Nezalezhnastsi ave., Minsk, 220072 Belarus
L.V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences Krasnoyarsk,660036, Russia

Доп.точки доступа:
Loiko, V. A.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Konkolovich, A. V.; Miskevich, A. A.
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Sharypov, A. V.
Generation of arbitrary symmetric entangled states with conditional linear optical coupling / A. V. Sharypov, B. He // Phys. Rev. A. - 2013. - Vol. 87, Is. 3. - Ст. 032323. - P. , DOI 10.1103/PhysRevA.87.032323 . - ISSN 1050-2947
Кл.слова (ненормированные):
Arbitrary state -- Coherent state -- Entangled state -- Linear optical -- NOON state -- Photonic modes -- Photonic state -- Quantum system -- Quantum electronics -- Quantum optics -- Quantum entanglement
Аннотация: An approach to generating the entangled photonic states |?1,?2?В±|?2, ?1? from two arbitrary states |?1? and |?2? is proposed. The protocol is implemented by the conditionally induced beam-splitter coupling, which leads to the selective swapping between two photonic modes. Such coupling occurs in a quantum system prepared in the superposition of two ground states with only one of them being involved in the swapping. All the entangled states in the category, such as entangled pairs of coherent states or Fock states (NOON states), can be efficiently produced in the same way by this method. В© 2013 American Physical Society.

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Держатели документа:
Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Univ Calgary, Inst Quantum Informat Sci, Calgary, AB T2N 1N4, Canada

Доп.точки доступа:
He, B.; Шарыпов, Антон Валерьевич
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10.

Laser photolysis of fluorone dyes in a chitosan matrix / E. A. Slyusareva [et al.] // Quantum Electron. - 2012. - Vol. 42, Is. 8. - P. 687-692, DOI 10.1070/QE2012v042n08ABEH014860. - Cited References: 32 . - ISSN 1063-7818

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
POLY(VINYL ALCOHOL) MATRIX
   XANTHENE DYES
   ROSE-BENGAL
   FLUORESCENCE PROPERTIES
   DELAYED FLUORESCENCE
   ORGANIC-MOLECULES
   TRIPLET-STATE
   EXCITATION
   ABSORPTION
   PHOSPHORESCENCE
Кл.слова (ненормированные):
laser photolysis -- fluorescein -- dibromofluorescein -- eosin Y -- erythrosin B -- Rose Bengal -- chitosan -- photobleaching kinetics -- two-step absorption
Аннотация: Kinetics of laser-induced photobleaching of fluorone dyes (fluorescein, dibromofluorescein, eosin Y, erythrosin B, Rose Bengal) is studied in a chitosan matrix. For all dyes the bleaching kinetics at the intensities of laser radiation 0.7 — 11.9 W cm-2 demonstrates quasi-monomolecular behaviour. The results are analysed using a kinetic model, based on the four-level (S0, S1, T1, Tn) scheme of the dye with chemically active triplet states taken into account. It is shown that the rate constants of the chemical reaction involving higher triplet states in the dyes studied amount to (3.9 — 18.6) × 106 s-1 and exceed the analogous values for the reaction involving the first lower triplet states by nine orders of magnitude. The rate of reaction involving the first triplet states appeared to be higher by one — two orders of magnitude than that in the case of higher triplet states involved because of low population of the latter. The possible mechanism of dye bleaching with participation of chitosan that consists in reduction of the dye to the leuco form by transfer of hydrogen from the chitosan matrix is discussed.

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Публикация на русском языке Лазерный фотолиз флуороновых красителей в хитозановой матрице [Текст] / Е. А. Слюсарева [и др.] // Квант. электроника : Физический институт им. П.Н.Лебедева РАН, 2012. - Т. 42 № 8. - С. 687-692

Держатели документа:
[Slyusareva, E. A.
Sizykh, A. G.
Gerasimova, M. A.
Slabko, V. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Myslivets, S. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Slyusareva, E. A.; Sizykh, A. G.; Gerasimova, M. A.; Slabko, V. V.; Слабко, Виталий Васильевич; Myslivets, S. A.; Мысливец, Сергей Александрович
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11.

Vortex pinning and magnetic peak effect in Eu(Eu,Ba)2.125Cu3Ox / E. Altin [et al.] // J. Mater. Sci.-Mater. Electron. - 2014. - Vol. 25, Is. 3. - P. 1466-1473, DOI 10.1007/s10854-014-1753-1. - Cited References: 30 . - ISSN 0957-4522. - ISSN 1573-482X

РУБ Engineering, Electrical & Electronic + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
SUPERCONDUCTORS
   FIELD
   NANOCRYSTALLINE
   TEMPERATURE
   LOOP
Аннотация: Eu–Ba–Cu–O composition was synthesized by solid state reaction technique. To determine optimum growth temperature, heat treatment was examined on the material at 880–1,100 °C. Microstructural evolution, phase formation and elemental distribution depending on heat treatments were examined by using X-ray diffraction, scanning electron microscope, energy dispersive X-ray spectroscope analysis. Optimum fabrication conditions were determined as 1,020 °C for 24 h under oxygen atmosphere and detailed characterization of corresponding compound was performed. The magnetization hysteresis loops are expounded to be the product of superconducting Eu-123 grains and magnetic Eu2+ ions. The peak effect on the magnetization curves was described by the extended critical state model. Scaling of the pinning force was found such that the peak position is proportional to the irreversibility field H irr and the maximum pinning force is proportional to H irr 2 .

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Держатели документа:
Inonu Univ, Bilimsel & Teknolojik Arastirma Merkezi, TR-44280 Malatya, Turkey
LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Inonu Univ, Fen Edebiyat Fak, Fizik Bolumu, Superiletkenlik Arastirma Grubu, TR-44280 Malatya, Turkey

Доп.точки доступа:
Altin, E.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Demirel, S.; Oz, E.; Kurt, F.; Altin, S.; Yakinci, M.E.
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12.

Structural and magnetic resonance investigations of CuCr2S4 nanoclusters and nanocrystals / A. I. Pankrats [et al.] // J. Appl. Phys. - 2014. - Vol. 116, Is. 5. - Ст. 54302, DOI 10.1063/1.4891993. - Cited References: 26. - The work was supported by a Grant CRDF-SB RAS "New Nano-size and Layered Cu-containing Sulphides for Electronics" RUP1-7054-KR-11, N 16854. S.M.Z. acknowledges support from the Ministry of education and science of the Russian Federation (in the framework of the state assignment for SFU for 2014). . - ISSN 0021-8979. - ISSN 1089-7550

РУБ Physics, Applied
Рубрики:
SUPERPARAMAGNETIC RESONANCE
   NANOPARTICLES
   GLASS
   BIOMEDICINE
   PARTICLES
   SPINELS
Аннотация: Nanoclusters and nanocrystals of the room temperature magnetic spinel CuCr2S4 synthesized using a facile solution-based method have been examined by transmission electron microscopy, magnetic measurements, and magnetic resonance over a wide frequency range 9.6–80 GHz and at temperatures down to 4.2 K. Decreasing of the resonance field and broadening of the resonance lines below 50 K for both samples are due to the freezing of magnetic moments of nanocubes and nanocrystalline particles constituting nanoclusters. The effective fields of averaged magnetic anisotropy (HA)≌2.4 kOe are similar for both nanopowder samples as estimated from resonance measurements at T = 4.2 K. An additional blocking temperature T b ≅ 300 K appears in nanoclusters due to freezing of the magnetic moment of the entire cluster as a whole. Below this blocking temperature, the magnetic dipolar field acting in boundary areas of interacting constituent nanocrystals is responsible for the additional low-field resonance line observed in the resonance spectra of nanoclusters at X-band.

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Держатели документа:
SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Univ Alabama, MINT Ctr, Tuscaloosa, AL 35487 USA

Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Vorotynov, A. M.; Воротынов, Александр Михайлович; Tugarinov, V. I.; Тугаринов, Василий Иванович; Zharkov, S. M.; Жарков, Сергей Михайлович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Abramova, G. M.; Абрамова, Галина Михайловна; Zeer, G. M.; Ramasamy, K.; Gupta, A.; Grant CRDF-SB RAS "New Nano-size and Layered Cu-containing Sulphides for Electronics" [RUP1-7054-KR-11, 16854]; Ministry of education and science of the Russian Federation
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13.

    Euro-asian symposium "Trends in magnetism" (EASTMAG-2004) : Abstract book / Рос. акад. наук, Сиб. отд-ние, Ин-т физики им. Л.В. Киренского, Краснояр. гос. ун-т, Краснояр. гос. технич. ун-т, Урал. отд-ние , Ин-т физики металлов. Euro-asian symp. "Trends in magnetism" ; предс. орг. комит. К. С. Александров ; зам. предс. С. Г. Овчинников ; чл. орг. комит. В. А. Игнатченко [и др.]. - Krasnoyarsk : [б. и.], 2004. - 418 с. - Bibliogr. at the end of the articles - Auth. ind. - 350 экз. - Б. ц.
Перевод заглавия: Евро-азиатский симпозиум "Прогресс в магнетизме"
Приложение:
Program of Euro-asian symposium "Trends in magnetism" (EASTMAG-2004). - Krasnoyarsk : Kirensky Instit. Phys. SB RAS, 2004. - 83
    Содержание:
Fundamental magnetic properties
Transport phenomena and spin electronics
Magnetism and strongly correleted electron systems
Spin glasses, disordered magnetic systems
Dynamics of spin systems and magnetic resonances
Magnetooptics and X-ray magnetooptics
Magnetic mechanism of the superconductivity
Domain structure and magnetization processes
Thin magnetic films and multilayers
Magnetic particles and nanocrystalline materials
Molecular magnetism
Magnetic storage/memory and applications
   Перевод заглавия: Евро-азиатский симпозиум "Прогресс в магнетизме"

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Александров, Кирилл Сергеевич \предс. орг. ком.\; Aleksandrov, K. S.; Овчинников, Сергей Геннадьевич \зам. предс.\; Ovchinnikov, S. G.; Игнатченко, Вальтер Алексеевич \чл. орг. ком.\; Ignatchenko, V. A.; Сапожников, В. \чл. орг. ком.\; Патрин, Геннадий Семёнович \чл. орг. ком.\; Patrin, G. S.; Вальков, Валерий Владимирович \чл. орг. ком.\; Val'kov, V. V.; Волков, Никита Валентинович \чл. орг. ком.\; Volkov, N. V.; Казак, Наталья Валерьевна \чл. орг. ком.\; Kazak, N. V.; Российская академия наук; Сибирское отделение РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Красноярский государственный университет; Красноярский государственный технический университет; Институт физики металлов Уральского отделения РАН; Научный совет по физике конденсированных сред РАН; Научный совет РАН по физике низких температур; Красноярский научный центр Сибирского отделения РАН; Euro-asian symposium "Trends in magnetism" (2 ; 2004 ; Aug. 24-27 ; Krasnoyarsk); "Trends in magnetism", Euro-Asian Symposium (2 ; 2004 ; Aug. 24-27 ; Krasnoyarsk)
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14.

    Arkhipkin, V. G.
    Adiabatic propagation of short pulses under conditions of electromagnetically induced transparency / V. G. Arkhipkin, I. V. Timofeev // Quantum Electron. - 2000. - Vol. 30, Is. 2. - P. 180-184, DOI 10.1070/QE2000v030n02ABEH001683. - Cited References: 31 . - ISSN 1063-7818
   Перевод заглавия: Адиабатическое распространение коротких импульсов в условиях электромагнитно-индуцированной прозрачности

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
POPULATION TRANSFER
   LASER-PULSES
   INTERFERENCE
   ENHANCEMENT
   COHERENCE
   QUANTUM
   SYSTEMS
   INDEX
Аннотация: The spatial and temporal dynamics of two short pulses propagating in an optically dense medium of resonant three-level Lambda-atoms is investigated numerically and analytically. The maximum coherence for the Raman transition due to coherent population trapping. it is shown that, at the initial stage of propagation, the waveforms of such pulses only slightly change along the length of the medium, which may considerably exceed the length of linear absorption for a single weak pulse. As the length of the absorbing medium increases, the energy of the probe (first) pulse is completely transferred into the second (control) pulse.

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Публикация на русском языке Архипкин, Василий Григорьевич. Адиабатическое распространение коротких импульсов в условиях электромагнитно-индуцированной прозрачности [Текст] / В. Г. Архипкин, И. В. Тимофеев // Квант. электрон. - 2000. - Т. 30 № 2. - С. 180-184

Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Timofeev, I. V.; Тимофеев, Иван Владимирович; Архипкин, Василий Григорьевич
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15.

Arkhipkin, V. G.
Effect of electromagnetically induced transparency on the spectrum of defect modes in a one-dimensional photonic crystal / V. G. Arkhipkin, S. A. Myslivets // Quantum Electronics. - 2009. - Vol. 39, Is. 2. - P. 157-162, DOI 10.1070/QE2009v039n02ABEH013813 . - ISSN 1063-7818
Кл.слова (ненормированные):
Electromagnetically induced trans- parency -- Photonic crystals -- Defect layers -- Defect mode -- Electromagnetically induced trans- parency -- One dimensional photonic crystal -- Spatial in-homogeneity -- Spatial overlap -- Transmission spectrums -- Crystal atomic structure -- Defects -- Silicon on insulator technology -- Transparency -- Photonic crystals
Аннотация: We studied the transmission spectrum of a one-dimensional photonic crystal containing a defect layer in which electromagnetically induced transparency is possible. The analysis is performed taking into account the spatial inhomogeneity of interacting fields in the photonic crystal. It is found that the transmission spectrum of such a photonic crystal depends on the spatial overlap of defect modes excited by probe and control radiations. It is shown that electromagnetically induced transparency can result in a considerable narrowing of the defect mode spectrum. В© 2009 Kvantovaya Elektronika and Turpion Ltd.

Scopus
Держатели документа:
L.V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Academgorodok, 660036, Krasnoyarsk, Russian Federation
Siberian Federal University, prosp. Svobodnyi 79, 660041 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Архипкин, Василий Григорьевич
}
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16.

Vetrov, S. Ya.
Peculiarities of spectral properties of a one-dimensional photonic crystal with an anisotropic defect layer of the nanocomposite with resonant dispersion / S. Y. Vetrov, P. S. Pankin, I. V. Timofeev // Quantum Electron. - 2014. - Vol. 44, Is. 9. - P. 881-884, DOI 10.1070/QE2014v044n09ABEH015473. - Cited References: 22. - The work was partially supported by the SB RAS programme (Grant Nos 43, 101 and 24.29); the Russian Foundation for Basic Research (Grant No. 14-02-31248); the Government Programme of the Ministry of Education and Science of the Russian Federation (Project No. 1276); RF President's Grants Council for the State Support to Young Russian Scientists (No. MK-250.2013.2); and NSCT-SB RAS joint project. . - ISSN 1063-7818. - ISSN 1468-4799

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
MODE
GLASS
Кл.слова (ненормированные):
transmission spectrum -- splitting of the defect mode -- plasmon resonance -- nanocomposite
Аннотация: We have studied the spectral properties of a one-dimensional photonic crystal with a structure defect that represents an anisotropic nanocomposite layer sandwiched between two multi-layer dielectric mirrors. The nanocomposite consists of metallic nanoscale inclusions of orientationally ordered spheroidal shape, dispersed in a transparent matrix, and is characterised by an effective resonant permittivity. Each of the two orthogonal polarisations of probe radiation corresponds to a particular plasmon resonant frequency of the nanocomposite. The problem of calculating the transmittance spectrum of the waves with s- and p-polarisations for such structures is solved. Spectral manifestation of splitting of the defect mode depending on the structure parameters and volumetric fraction of the nanospheroids is studied. The essential dependence of the position of maxima of the defect modes in the bandgap of the photonic crystal and their splitting on the incidence angle, polarisation, and the ratio of lengths of the polar and equatorial semi-axes of the spheroidal nanoparticles is shown.

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Публикация на русском языке Ветров, Степан Яковлевич. Особенности спектральных свойств одномерного фотонного кристалла с анизотропным дефектным слоем нанокомпозита, имеющего резонансную дисперсию [Текст] / С. Я. Ветров, П. С. Панкин, И. В. Тимофеев // Квант. электроника : Физический институт им. П.Н.Лебедева РАН, 2014. - Т. 44 № 9. - С. 881–884

Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Pankin, P. S.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ветров, Степан Яковлевич; SB RAS programme [43, 101, 24.29]; Russian Foundation for Basic Research [14-02-31248]; Government Programme of the Ministry of Education and Science of the Russian Federation [1276]; RF President's Grants Council [MK-250.2013.2]; NSCT-SB RAS joint project
}
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17.

    Zobov, V. E.
    Quantum discord in the central spin model / V. E. Zobov // Proceedings of SPIE : SPIE-Int. Soc. Optical Engineering, 2014. - Vol. 9440. - P. 94401E-94401E-8, DOI 10.1117/12.2180727. - Cited References:30 . - ISBN 0277. - ISBN 9781628415551
   Перевод заглавия: Квантовый дискорд в модели центрального спина

РУБ Engineering, Electrical & Electronic + Nanoscience & Nanotechnology
Рубрики:
DECOHERENCE
Кл.слова (ненормированные):
Electron-nuclear spin echo -- dynamical correlation -- mutual information -- quantum discord
Аннотация: The quantum properties of dynamic correlations in a system of an electron spin surrounded by nuclear spins under the conditions of free induction decay (FID) and spin echo have been studied. Analytical results for the time evolution of mutual information, classical part of correlations, and quantum part characterized by quantum discord have been obtained within the central spin model in the high-temperature approximation. The same formulas describe the quantum discord in both the FID and the spin echo although the forms of the dependences are different because of difference in the parameters entering into the formulas. Discord of the spin echo compared with the FID has a strong dependence on time at short times, and it tends to zero with decreasing of the magnetic field, whereas in the case of the FID it reaches a plateau.

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Доп.точки доступа:
Зобов, Владимир Евгеньевич; International Conference on Micro- and Nano-Electronics (Oct. 6-10, 2014 ; Zvenigorod, Russia)
}
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18.

    Zobov, V. E.
    Quantum discord in the central spin model / V. E. Zobov // International Conference "Micro- and Nanoelectronics – 2014". - 2014. - Ст. q2-06. - Cited References:30
   Перевод заглавия: Квантовый дискорд в модели центрального спина
Кл.слова (ненормированные):
Electron-nuclear spin echo -- dynamical correlation -- mutual information -- quantum discord
Аннотация: The quantum properties of dynamic correlations in a system of an electron spin surrounded by nuclear spins under the conditions of free induction decay (FID) and spin echo have been studied. Analytical results for the time evolution of mutual information, classical part of correlations, and quantum part characterized by quantum discord have been obtained within the central spin model in the high-temperature approximation. The same formulas describe the quantum discord in both the FID and the spin echo although the forms of the dependences are different because of difference in the parameters entering into the formulas. Discord of the spin echo compared with the FID has a strong dependence on time at short times, and it tends to zero with decreasing of the magnetic field, whereas in the case of the FID it reaches a plateau.

Материалы конференции

Доп.точки доступа:
Зобов, Владимир Евгеньевич; International Conference on Micro- and Nano-Electronics (Oct. 6-10, 2014 ; Zvenigorod, Russia)International Conference on Micro- and Nano-Electronics(Oct. 6-10, 2014 ; Zvenigorod, Russia)
}
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19.

Microwave therapy in treatment of the eye diseases / V. V. Ivanov [и др.] // Int. Conf. on Magnetic Electronics (ISME'92) : abstracts / предс. орг. ком. K. S. Aleksandrov ; зам. предс. орг. ком. G. A. Petrakovskii ; чл. прогр. ком. Borovik-Romanov A. S. ; секрет. орг. ком. A. I. Pankrats ; чл. орг. ком. Arrott A. S. [и др.]. - Krasnoyarsk, 1992. - P. 86

Доп.точки доступа:
Aleksandrov, K. S. \предс. орг. ком.\; Александров, Кирилл Сергеевич; Petrakovskii, G. A. \зам. предс. орг. ком.\; Петраковский, Герман Антонович; Borovik-Romanov, A. S. \чл. прогр. ком.\; Pankrats, A. I. \секрет. орг. ком.\; Панкрац, Анатолий Иванович; Arrott A. S. \чл. орг. ком.\; Le Gall H. \чл. орг. ком.\; Kalinikos B. A. \чл. орг. ком.\; Kao Y. H. \чл. орг. ком.\; Lebed B. M. \чл. орг. ком.\; Ozhogin V. I. \чл. орг. ком.\; Slonczewski J. C. \чл. орг. ком.\; Ivanov, V. V.; Иванов В. В.; Vovchenko, S. P.; Barhatova, I. A.; Petrakovskii, G. A.; Drokina, T. V.; Дрокина, Тамара Васильевна; International Conference on Magnetic Electronics(1992 ; Krasnoyarsk)
}
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20.

Muzalevskiy, K. V.
Multifrequency radiometric method of the temperature profile measurement in the active topsoil / K. V. Muzalevskiy, Z. Ruzhecka, V. L. Mironov // Radiophys. Quantum Electron. - 2015. - Vol. 58, Is. 5. - P. 339-349, DOI 10.1007/s11141-015-9608-z. - Cited References:17. - This work was performed within the framework of the State task No. 2.914.2014/K of the Ministry of Education and Science of the Russian Federation and Program No. II.12.1 "Radiometric and Acoustic Method of Remote Sensing of the Natural Environment" of the Siberian Branch of the Russian Academy of Sciences. . - ISSN 0033-8443. - ISSN 1573-9120

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
L-BAND
   MICROWAVE EMISSION
   DIELECTRIC MODEL
   ARCTIC SOIL
   SURFACE
   TUNDRA
Аннотация: In this theoretical paper, we propose a method for measuring the temperature profile in the active topsoil of the Arctic tundra using observations of the brightness temperature for two different polarizations of the radiation at frequencies of 1.4, 6.93, 7.3, and 10.7 GHz. A multifrequency physical model of microwave emission of bare soil, a dielectric model of the Arctic tundra soil, and temperature profiles, which were measured in the active topsoil at the Toolik field station on the Alaska North Slope, were used to calculate the observed values of the brightness temperature. Temperature profiles were retrieved from the observed values of the brightness temperature in the approximation of a piecewise-linear profile of topsoil temperature during 2010–2011. Correlation analysis of the temperature profiles measured at the Toolik station and retrieved from the radiometric data has shown that in winter the error of measurement of the soil temperature at depths of 0.6 and 16.0 cm in terms of the variance (correlation coefficient) does not exceed 2.3 (0.98) and 7.2 (0.62°C), respectively. In summer, the error of measurement of the soil temperature using the radiometric method is two times less than in winter.

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Публикация на русском языке Музалевский, Константин Викторович. Многочастотный радиометрический метод измерения глубинного профиля температуры в деятельном слое почвы [Текст] / К. В. Музалевский, З. З. Ружечка, В. Л. Миронов // Изв. вузов. Радиофиз. - Нижний Новгород : Науч.-исслед. радиофиз. ин-т, 2015. - Т. 58 № 5. - С. 376-388

Держатели документа:
Russian Acad Sci, LV Kirensky Inst Phys, Siberian Branch, Krasnoyarsk, Russia.
MF Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Ruzhecka, Z.; Ружичка, Зденек; Mironov, V. L.; Миронов, Валерий Леонидович; Музалевский, Константин Викторович
}
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