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    Zobov, V. E.
    Reversible and Irreversible propagation of quantum information and its manifestation in multiple-quantum NMR spectra in solids / V. E. Zobov, A. A. Lundin // J. Exp. Theor. Phys. - 2020. - Vol. 131, Is. 2. - P. 273-279, DOI 10.1134/S1063776120060096. - Cited References: 33. - This work was supported by the Ministry of Science and Higher Education of the Russian Federation within the State Task 0082-2019-0001 (State Registration Number AAAA-A19-119012890064-7) . - ISSN 1063-7761. - ISSN 1090-6509
Рубрики:
DYNAMICS
   LOCALIZATION
   SIMULATIONS
   COHERENCES
Аннотация: On the basis of the earlier developed statistical theory of the growth of the effective size of correlated clusters (the number of correlated spins), an expression for the shape of the multiple-quantum (MQ) NMR spectrum is obtained that takes into account the loss of coherence in a spin system due, for example, to the controlled intervention of the experimenter. It is shown that the scrambling and decoherence processes in the MQ spectrum of the multiparticle system of a solid are not separated, unlike the corresponding spectra of some large isolated molecules [27] in a solution. The relations obtained allow one to extract the necessary information about the above processes (scrambling and decoherence) from the dependence of the MQ spectra on experimental parameters.

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Публикация на русском языке Зобов, Владимир Евгеньевич. Обратимое и необратимое распространение квантовой информации и проявление его в спектрах многоквантового ЯМР в твердом теле [Текст] / В. Е. Зобов, А. А. Лундин // Журн. эксперим. и теор. физ. - 2020. - Т. 158 Вып. 2. - С. 300-308

Держатели документа:
RAS, Fed Res Ctr, Kirensky Inst Phys, KSC,SB, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Semenov Inst Chem Phys, Moscow 117977, Russia.

Доп.точки доступа:
Lundin, A. A.; Зобов, Владимир Евгеньевич; Ministry of Science and Higher Education of the Russian Federation [0082-2019-0001, AAAA-A19-119012890064-7]
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Zobov, V. E.
On the effect of an inhomogeneous magnetic field and many-body localization on the increase in the second moment of multiple-quantum NMR with time / V. E. Zobov, A. A. Lundin // JETP Letters. - 2017. - Vol. 105, Is. 8. - P. 514-518, DOI 10.1134/S0021364017080148. - Cited References: 27 . - ISSN 0021-3640
Аннотация: A change in the time dependence of the second moment of the distribution of intensities of coherences with various orders in the spectrum of multiple-quantum NMR in a solid at the inclusion of an inhomogeneous magnetic field in the effective interaction is studied. Both the secular dipole–dipole and nonspecular twoquantum interactions are considered as nucleus–nucleus interactions, which correspond to traditional experimental realizations. It is shown that, with an increase in the magnitude of the inhomogeneous field, an exponential increase in the second moment of multiple-quantum NMR with time changes to a power-law increase. The results obtained in this work indicate that this second moment, which determines the average number of dynamically correlated spins, can be used as a convenient characteristic for studying a transition to a many-body localized state. © 2017, Pleiades Publishing, Inc.

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Публикация на русском языке Зобов, Владимир Евгеньевич. О влиянии неоднородного магнитного поля и многочастичной локализации на рост со временем второго момента многоквантового ЯМР [Текст] / В. Е. Зобов, А. А. Лундин // Письма в Журн. эксперим. и теор. физ. : Наука, 2017. - Т. 105 Вып. 7-8. - С. 499-503

Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, Russian Federation

Доп.точки доступа:
Lundin, A. A.; Зобов, Владимир Евгеньевич
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    Weak localization and size effects in thin In2O3 films prepared by autowave oxidation / I. A. Tambasov [et al.] // Physica E. - 2016. - Vol. 84. - P. 162-167, DOI 10.1016/j.physe.2016.06.005. - Cited References:70. - This study was supported by the Russian Foundation for Basic Research (Grants # 16-32-00302 MOJI_a, # 15-02-00948-A, # 16-03-00069-A), by the Council for Grants of the President of the Russian Federation (SP-317.2015.1), and by the Program of Foundation for Promotion of Small Enterprises in Science and Technology (No. 6662 Gamma Y2015, 9607 Gamma Y/2015) ("UMNIK" Program). Electron microscopic studies were performed on the equipment of CCU KSC SB RAS. . - ISSN 1386-9477. - ISSN 1873-1759
   Перевод заглавия: Слабая локализация и размерные эффекты в тонких пленках In2O3 приготовленные автоволновым окислением

РУБ Nanoscience & Nanotechnology + Physics, Condensed Matter
Рубрики:
SOLID-STATE SYNTHESIS
   INDIUM TIN OXIDE
   DOPED ZNO FILMS
   OPTICAL-PROPERTIES
   MAGNETIC-FIELD
   NEGATIVE MAGNETORESISTANCE
   CARBON NANOTUBES
   TEMPERATURE
   SEMICONDUCTOR
   TRANSPORT
Кл.слова (ненормированные):
Thin indium oxide films -- Weak localization -- Electron-electron -- interaction -- Disordered semiconductors -- Nanostructured films -- Phase-coherent length
Аннотация: The negative magnetoresistance of thin In2O3 films, obtained by an autowave oxidation reaction, was detected within a temperature range of 4.2-80 K. The magnetoresistance was -1.35% at a temperature of 4.2 K and an external magnetic field of 1 T. A weak localization theory was used to explain the negative magnetoresistance and to determine the phase-coherence length in a temperature range of 4.2-80 K. The phase-coherence length was found to oscillate as the temperatures increased to around 30 K. From the maximum and minimum values of the oscillation of the phase-coherence length, it was suggested that the In2O3 film has two structure characteristic parameters. Transmission electron microscopy showed the structure of the thin In2O3 film to have structural features of a crystal phase- amorphous phase. It was found that the crystalline phase characteristic size was consistent with the maximum phase-coherence length and the amorphous phase characteristic size was consistent with the minimum phase-coherence length. It has been suggested that the temperature measurements of the magnetoresistance and the theory of weak localization can be used to evaluate the structural features of nanocomposite or nanostructured thin films. (C) 2016 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Akademgorodok 50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Prospect 79, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk Worker 31, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Tarasov, A. S.; Тарасов, Антон Сергеевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zhigalov, V. S.; Жигалов, Виктор Степанович; Matsynin, A. A.; Мацынин, Алексей Александрович; Tambasova, E. V.; Russian Foundation for Basic Research [16-32-00302 MOJI_a, 15-02-00948-A, 16-03-00069-A]; Council for Grants of the President of the Russian Federation [SP-317.2015.1]; Program of Foundation for Promotion of Small Enterprises in Science and Technology ("UMNIK" Program) [6662GammaY2015, 9607GammaY/2015]
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Wannier-Stark resonances in semiconductor superlattices / M. . Gluck [et al.] // Phys. Rev. B. - 2002. - Vol. 65, Is. 11. - Ст. 115302, DOI 10.1103/PhysRevB.65.115302. - Cited References: 22 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
ELECTRIC-FIELD
   STATES
   LADDERS
   BREAKDOWN
   BLOCH
   LOCALIZATION
Аннотация: Wannier-Stark states for semiconductor superlattices in strong static fields, where the interband Landau-Zener tunneling cannot be neglected, are rigorously calculated. The lifetime of these metastable states was found to show multiscale oscillations as a function of the static field, which is explained by an interaction with above-barrier resonances. An equation, expressing the absorption spectrum of semiconductor superlattices in terms of the resonance Wannier-Stark states, is obtained and used to calculate the absorption spectrum in the region of high static fields.

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Держатели документа:
Univ Kaiserslautern, Fachbereich Phys, D-67653 Kaiserslautern, Germany
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Gluck, M.; Kolovsky, A. R.; Коловский, Андрей Радиевич; Korsch, H. J.; Zimmer, F.
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    Vetrov, S. Ya.
    Localized modes in chiral photonic structures / S. Y. Vetrov, I. V. Timofeev, V. F. Shabanov // Phys. Usp. - 2020. - Vol. 63, Is. 1. - P. 33-56, DOI 10.3367/UFNe.2018.11.038490. - Cited References: 251 . - ISSN 1063-7869. - ISSN 1468-4780
Рубрики:
CHOLESTERIC LIQUID-CRYSTAL
   CONTROLLED LIGHT-SCATTERING
   SCULPTURED THIN-FILMS
Кл.слова (ненормированные):
light localization -- photonic crystals -- chirality -- chiral nematic liquid crystal -- Pancharatnam-Berry geometric phase -- avoided crossing of coupled modes -- cholesteric liquid crystal -- optical Tamm states -- nanocomposite -- resonant frequency dispersion -- hybrid modes
Аннотация: We discuss chiral structures in self-organizing, artificial, and biological materials. A review of experimental studies and recent advances in the localization of light in chiral structures is given. The behavior of polarized resonant modes in such structures is examined using the example of a one-dimensional photonic crystal containing liquid crystal materials. The anomalous spectral shifts of transmission peaks are interpreted as the contribution of the geometric phase caused by the twisting of the layers of the liquid crystal. The optical Tamm state localized at the boundary between chiral and nonchiral mirrors in the form of a cholesteric layer and a polarization-preserving anisotropic mirror is analytically and numerically described. Considerable attention is paid to the presentation of the properties of localized optical modes in the cholesteric with a resonant metal-dielectric nanocomposite. New possibilities for controlling the properties of the photonic structure are noted, due to the combination of the dispersion of the resonant medium and the intrinsic dispersion of the cholesteric. Attention is focused on controlled hybrid modes in the cholesteric structure formed by the coupling of localized modes. Possible applications and further ways of developing the concept of chiral photonic structures are deliberated.

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Публикация на русском языке Ветров, Степан Яковлевич. Локализованные моды в хиральных фотонных структурах [Текст] / С. Я. Ветров, И. В. Тимофеев, В. Ф. Шабанов // Успехи физ. наук. - 2020. - Т. 190 № 1. - С. 37-62

Держатели документа:
Russian Acad Sci, Siberian Branch, FRC KSC, Kirensky Inst Phys, Akademgorodok 50,Str 38, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Pr Svobodnyi 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Timofeev, I. V.; Тимофеев, Иван Владимирович; Shabanov, V. F.; Шабанов, Василий Филиппович; Ветров, Степан Яковлевич
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Understanding quantum scattering properties in terms of purely classical dynamics: Two-dimensional open chaotic billiards / J. A. Mendez-Bermudez [et al.] // Phys. Rev. E. - 2002. - Vol. 66, Is. 4. - Ст. 46207, DOI 10.1103/PhysRevE.66.046207. - Cited References: 34 . - ISSN 1539-3755

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
BALLISTIC-TRANSPORT
   POINCARE SECTIONS
   CAVITIES
   EIGENFUNCTIONS
   LOCALIZATION
   CHANNEL
Кл.слова (ненормированные):
Chaos theory -- Electron tunneling -- Laser applications -- Nonlinear systems -- Probability -- Waveguide components -- Chaotic motion -- Microlasers -- Quantum scattering -- Scattering probability -- Quantum theory -- article
Аннотация: We study classical and quantum scattering properties of particles in the ballistic regime in two-dimensional chaotic billiards that are models of electron- or micro-waveguides. To this end we construct the purely classical counterparts of the scattering probability (SP) matrix \S(n,m)\(2) and Husimi distributions specializing to the case of mixed chaotic motion (incomplete horseshoe). Comparison between classical and quantum quantities allows us to discover the purely classical dynamical origin of certain general as well as particular features that appear in the quantum description of the system. On the other hand, at certain values of energy the tunneling of the wave function into classically forbidden regions produces striking differences between the classical and quantum quantities. A potential application of this phenomenon in the field of microlasers is discussed briefly. We also see the manifestation of whispering gallery orbits as a self-similar structure in the transmission part of the classical SP matrix.

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Держатели документа:
Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico
Univ Hradec Kralove, Dept Phys, Hradec Kralove, Czech Republic
Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Instituto de Fisica, Univ. Autonoma de Puebla, Apartado Postal J-48, Puebla 72570, Mexico
Department of Physics, University Hradec Kralove, Hradec Kralove, Czech Republic
Institute of Physics, Czech Academy of Sciences, Cukrovarnicka 10, Prague, Czech Republic
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Mendez-Bermudez, J. A.; Luna-Acosta, G. A.; Seba, P.; Pichugin, K. N.; Пичугин, Константин Николаевич
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Transport and magnetic phenomena in ZnO-С thin-film heterostructures / M. N. Volochaev, A. B. Granovsky, O. V. Zhilova [et al.] // Superlattices Microstruct. - 2020. - Vol. 140. - Ст. 106449, DOI 10.1016/j.spmi.2020.106449. - Cited References: 36. - The work was supported by the Ministry of Education and Science of Russia (project No. 3.1867.2017/4.6 ) and the RFBR (project No. 19-07-00471). The work was partially funded by the Academy of Finland . - ISSN 0749-6036
Кл.слова (ненормированные):
Zinc oxide -- Amorphous carbon -- Multi-layered structures -- Composites -- Hopping conductivity -- Weak localization -- Magnetoresistance
Аннотация: ZnO- and C-based heterostructures were fabricated by the layer-by-layer deposition technique using the ion-beam sputtering process. Structure, electrical and magnetic properties of fabricated heterostructures are discussed. The two-phase (ZnO and C) films are evolved into a multilayer structure, consisting of amorphous carbon and crystalline ZnO layers when the bilayer thickness increases. When carbon is added to ZnO, its electrical resistivity reduces. The conduction mechanism changes from the variable-range hopping in a narrow energy band to the nearest neighbors hopping in ZnO–C films with a thickness of h ˂ 150 nm. The temperature dependence of conductivity changes from the Arrhenius-like to logarithmic law, indicating that the strong charge localization turns into a weak one when the film thickness is about 150 nm. The negative magnetoresistance of up to 1% was detected at 77 K. The film ferromagnetism at the temperature of 10 K was not found.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk660036, Russian Federation
Lomonosov Moscow State University, Moscow119991, Russian Federation
Voronezh State Technical University, Voronezh394026, Russian Federation
National Research Centre ‘‘Kurchatov Institute”, Moscow123182, Russian Federation
Voronezh State University, Voronezh394003, Russian Federation
Lappeenranta-Lahti University of Technology, Lappeenranta FI53851, Finland

Доп.точки доступа:
Volochaev, M. N.; Волочаев, Михаил Николаевич; Granovsky, A. B.; Zhilova, O. V.; Kalinin, Y. E.; Ryl'kov, V. V.; Sumets, M. P.; Makagonov, V. A.; Pankov, S. Y.; Sitnikov, A. V.; Fadeev, E.; Lahderanta, E.; Foshin, V.
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The influence of chalcogen atom on conformation and phase transition in chalcogenazinoquinolinium monoiodides / I. Yushina, A. Krylov, I. I. Leonidov [et al.] // Acta Crystallogr. B. - 2021. - Vol. 77. - P. 526-536, DOI 10.1107/S2052520621004571. - Cited References: 61. - This work was supported by the Ministry of Science and High Education of Russian Federation, project FENU 2020-0019. Additional spectroscopic studies were carried out in ISSC UB RAS (Research Program No. AAAA-A19-119031890025-9). Technical assistance from Ivan D. Popov (ISSC UB RAS) is strongly acknowledged. ChemMatCARS Sector 15 is principally supported by the Divisions of Chemistry (CHE) and Materials Research (DMR), National Science Foundation, under grant number NSF/CHE-1346572. Use of the Advanced Photon Source, an Office of Science User Facility operated for the US Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the US DOE under Contract No. DE-AC02-06CH11357 . - ISSN 2052-5206

РУБ Chemistry, Multidisciplinary + Crystallography
Рубрики:
LARGE STOKES SHIFT
   D-PI-A
   HALOGEN BONDS
   ELECTRON LOCALIZATION
Кл.слова (ненормированные):
organic monoiodide -- phase transition -- Raman spectroscopy -- luminescence -- halogen bond
Аннотация: Crystalline chalcogenazinoquinolinium monoiodides, where the chalcogen atom is oxygen and sulfur, were studied using a combination of X-ray diffraction, Raman and UV-vis spectroscopies and photoluminescence experimental techniques. Periodic quantum-chemical calculations were performed to characterize the features of electronic structure and vibrational assignment. X-ray diffraction and Raman spectroscopy experiments consistently reveal phase transition of thiazinoquinolinium monoiodide at low temperatures with the decrease of symmetry to P1. The luminescence study for oxazinoquinolinium monoiodide reveals the excitation maximum at 532 nm and emission at 650 nm with significantly higher intensity than for the thiazinoquinolinium derivative. The studied chalcogenazinoquinolinium monoiodides demonstrate high values of Stokes shift up to 150 nm.

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Держатели документа:
South Ural State Univ, Lab Multiscale Modelling, Chelyabinsk 454080, Russia.
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia.
Inst Solid State Chem UB RAS, Ekaterinburg 620990, Russia.
Univ Chicago, Chicago, IL 60637 USA.
AN Nesmeyanov Inst Organoelement Cpds RAS, Moscow 11991, Russia.

Доп.точки доступа:
Yushina, Irina; Krylov, A. S.; Крылов, Александр Сергеевич; Leonidov, Ivan I.; Batalov, Vladimir; Chen, Yu-Sheng; Wang, Suyin Grass; Stash, Adam; Bartashevich, E. V.; Ministry of Science and High Education of Russian Federation [FENU 2020-0019]; ISSC UB RAS [AAAA-A19-119031890025-9]; Divisions of Chemistry (CHE) and Materials Research (DMR), National Science Foundation [NSF/CHE-1346572]; US DOEUnited States Department of Energy (DOE) [DE-AC02-06CH11357]
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Tamm plasmon polaritons for light trapping in organic solar sells / R. G. Bikbaev, S. Y. Vetrov, I. V. Timofeev, V. F. Shabanov // Dokl. Phys. - 2020. - Vol. 65, Is. 5. - P. 161-163, DOI 10.1134/S1028335820050079. - Cited References: 14. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project no. 19-42-240004 . - ISSN 1028-3358. - ISSN 1562-6903
Кл.слова (ненормированные):
Tamm plasmon polariton -- organic solar cell -- photosensitive layer -- light localization
Аннотация: A model of an organic solar cell based on a Tamm plasmon polariton localized at the boundary of the active layer doped with plasmonic nanoparticles and a multilayer mirror is proposed. It is shown that the integral absorption in the active layer can be increased by 10% compared to the optimized planar solar cell.

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Публикация на русском языке Таммовские плазмон-поляритоны для захвата света в органических солнечных элементах [Текст] / Р. Г. Бикбаев, С. Я. Ветров, И. В. Тимофеев, В. Ф. Шабанов // Доклады Академии наук. Физика, технические науки. - 2020. - Т. 492 № 1. - С. 54-57

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk, Russia.

Доп.точки доступа:
Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Shabanov, V. F.; Шабанов, Василий Филиппович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [19-42-240004]
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10.

Spontaneous dc current generation in a resistively shunted semiconductor superlattice driven by a terahertz field / K. N. Alekseev [et al.] // Phys. Rev. Lett. - 1998. - Vol. 80, Is. 12. - P. 2669-2672, DOI 10.1103/PhysRevLett.80.2669. - Cited References: 21 . - ISSN 0031-9007

РУБ Physics, Multidisciplinary
Рубрики:
DYNAMIC LOCALIZATION
   BLOCH OSCILLATIONS
   ELECTRIC-FIELD
   THZ-FIELD
   PENDULUM
   CHAOS
   TIME
   SUPPRESSION
   SYSTEMS
Аннотация: We study a resistively shunted semiconductor superlattice subject to a high-frequency electric field. Using a balance equation approach that incorporates the influence of the electric circuit, we determine numerically a range of amplitude and frequency of the ac field for which a de bias and current are generated spontaneously and show that this region is likely accessible to current experiments. Our simulations reveal that the Bloch frequency corresponding to the spontaneous de bias is approximately an integer multiple of the ac field frequency.

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Держатели документа:
Univ Illinois, Dept Phys, Urbana, IL 61801 USA
NORDITA, DK-2100 Copenhagen O, Denmark
LV Kirensky Phys Inst, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Loughborough Univ Technol, Dept Phys, Loughborough LE11 3TU, Leics, England
ИФ СО РАН

Доп.точки доступа:
Alekseev, K. N.; Cannon, E. H.; McKinney, J. C.; Kusmartsev, F. V.; Campbell, D. K.
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