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Berman, G. P.
Stochastic-instability of classical homogeneous SU(2) by U(1) fields with spontaneously broken symmetry / G. P. Berman, Y. I. Mankov, A. F. Sadreev // Zhurnal Eksperimentalnoi Teor. Fiz. - 1985. - Vol. 88, Is. 3. - P. 705-714. - Cited References: 19 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

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Доп.точки доступа:
Mankov, Y. I.; Маньков, Юрий Иннокентьевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Берман, Геннадий Петрович
}
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Phase transitions in Cs2CdI4 single crystals / K. S. Aleksandrov [et al.] // Phys. Status Solidi A. - 1988. - Vol. 105, Is. 2. - P. 441-446 . - ISSN 0031-8965
Кл.слова (ненормированные):
CALORIMETRY -- CRYSTALS - Structure -- DIELECTRIC PROPERTIES -- OPTICAL PROPERTIES -- X-RAY ANALYSIS -- BIREFRINGENCE -- CESIUM CADMIUM IODIDE -- DIELECTRIC PERMEABILITY -- SPECIFIC HEAT -- SYMMETRY -- CESIUM COMPOUNDS
Аннотация: Cs//2CdI//4 crystals were grown from the melt (A) and from water solution (B). Optic, dielectric, X-ray, and calorimetric investigations were carried out. Crystal A shows three phase transitions at 332. 3, 259. 6, and 183. 4 K with the following sequence of phases: commensurate orthorhombic of beta -K//2SO//4 type ( alpha //0 equals 1. 074, b//0 equals 0. 8458, c equals 1. 4852 nm) B ARR LR incommensurate B ARR LR monoclinic ferroelastic (P2//1/n) B ARR LR triclinic ferroelastic (P1 OVER BAR ). The B-crystal belongs to monoclinic symmetry (P2//1/m) and undergoes transformation into the orthorhombic phase of beta -K//2SO//4 type at 420 K.

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Держатели документа:
USSR Acad of Sciences, Krasnoyarsk, USSR, USSR Acad of Sciences, Krasnoyarsk, USSR

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Melnikova, S. V.; Мельникова, Светлана Владимировна; Flerov, I. N.; Флёров, Игорь Николаевич; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Kruglik, A. I.; Круглик, Анатолий Иванович; Kokov, I. T.
}
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Ovchinnikov, S. G.
Symmetry of holes in high-temperature superconductors / S. G. Ovchinnikov // Solid State Commun. - 1991. - Vol. 77, Is. 3. - P. 221-224, DOI 10.1016/0038-1098(91)90336-T. - Cited References: 19 . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
FERMI-LIQUID STATES
   X-RAY ABSORPTION
   ELECTRONIC-STRUCTURE
   PHOTOEMISSION
   BI2SR2CACU2O8
   BISMUTH
Аннотация: A symmetry of holes is investigated in the multielectron band theory which takes into account strong correlations. It is shown that a small number of d(z2) states appears near the Fermi level due to d(z2) Cu-2p(x(y))O charge transfer as admixture to d(x2-y2)-p(x(y)) bands with dominant contribution of O2p states. The results are in a qualitative agreement with polarized photoemission data.

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Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН

Доп.точки доступа:
Овчинников, Сергей Геннадьевич
}
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Electron-conductivity high-Tc superconductor with cubic symmetry / V. E. Volkov [et al.] // JETP Letters. - 1992. - Vol. 55, Is. 10. - P. 616-620. - Cited References: 4 . - ISSN 0021-3640
Аннотация: Ceramic samples which exhibit a superconductivity with T(c) = 117 K have been synthesized in the Tl-Pb-Sr-Ca-Ba-Cu-O-F system. According to x-ray diffraction, the symmetry of the samples is cubic, with a lattice constant a = 6.04 angstrom. At room temperature the conductivity is of the n type.

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Публикация на русском языке Электронный высокотемпературный сверхпроводник с кубической симметрией [Текст] / В. Е. Волков [и др.] // Письма в "Журн. эксперим. и теор. физ.". - 1992. - Т. 55 Вып. 9-10. - С. 590-593

Доп.точки доступа:
Volkov, V. E.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Kovalev, Y. G.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Fokina, N. P.; Chernov, V. K.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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    Aleksandrov, K. S.
    Phase-transitions and distortions of the structure in the family of crystals related to alpha-k2so / K. S. Aleksandrov // Kristallografiya. - 1993. - Vol. 38, Is. 1. - P. 128-139 ; Crystallogr. Rep. - Cited References: 38 . - ISSN 0023-4761
Рубрики:
X-RAY
   EXPECTED STRUCTURES
   A2BX4 COMPOUNDS
   TEMPERATURE
   (NH4)2BEF4
   CHEMISTRY
   DISORDER
   SYMMETRY

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Публикация на русском языке Александров, Кирилл Сергеевич. Фазовые переходы и искажения структуры в семействе кристаллов родственных α – K2SO4. [Текст] / К. С. Александров // Кристаллография. - 1993. - Т. 38 Вып. 1. - С. 128-139

Доп.точки доступа:
Александров, Кирилл Сергеевич

}
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Tl-based high-T(C) superconductor with cubic symmetry / V. A. Volcov [et al.] // Int. J. Mod. Phys. B. - 1993. - Vol. 7, Is. 1-3. - P. 162-165, DOI 10.1142/S0217979293000366. - Cited References: 3 . - ISSN 0217-9792

РУБ Physics, Applied + Physics, Condensed Matter + Physics, Mathematical

Аннотация: Ceramic samples of the system Tl-Pb-Sr-Ca-Ba-Cu-O-F have been prepared by modification of standard Tl-based ceramics by BaF2. A cubic structure with parameter a = 6.04 A is found by powder X-ray analysis. Both electric and magnetic data reveal superconductivity with T(ci) = 117 K. Electron conductivity is found at T = 300 K.

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Доп.точки доступа:
Volcov, V. A.; Kovalev, Y. G.; Ковалев Ю. Г.; Fokina, N. P.; Фокина Н. П.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Chernov, V. K.; Чернов, Владимир Кондратьевич; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; International conference on the physics of transition metals(1992 ; Jul ; 20-24 ; Darmstadt, Germany)
}
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Aleksandrov, K. S.
The study of elastic symmetry and anisotropy of elastic body waves in gneiss / K. S. Aleksandrov, G. T. Prodayvoda // Geophysical Journal International. - 1994. - Vol. 119, Is. 3. - P. 715-728 . - ISSN 0956-540X
Кл.слова (ненормированные):
anisotropy -- Elastic Properties -- elastic symmetry -- Elastic Wave Velocity -- gneiss -- Gneiss -- phase velocity -- polarization -- Ultrasonics -- Europe, Baltic Shield
Аннотация: Describes a method for determining the effective elastic constants of anisotropic rocks from the results of ultrasonic measurements of the phase velocity of elastic body waves with arbitrary directions of the wave normal in the absence of a priori information on the texture symmetry. The proposed method has been applied to the results of ultrasonic measurements of a twice-deformed gneiss sample from the Lodogian series of the Baltic Shield. Experimental findings conform to triclinic symmetry. -from Authors

Scopus
Держатели документа:
Inst of Physics, Siberian Div of Russian Acad Sci, Akademgorodok, Krasnoyarsk, Russia

Доп.точки доступа:
Prodayvoda, G. T.; Александров, Кирилл Сергеевич
}
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Ferroelastic phase transition in Cs3Bi2I9 crystal / S. V. Melnikova [et al.] // Ferroelectrics, Letters Section. - 1996. - Vol. 20, Is. 5-6. - P. 163-167 . - ISSN 0731-5171
Кл.слова (ненормированные):
Birefringence -- Cesium compounds -- Crystal symmetry -- Crystals -- Differential scanning calorimetry -- Elasticity -- Ferroelectricity -- Permittivity -- Stiffness -- Twinning -- Cesium bismuth iodide -- Elastic constant -- Elastic stiffness -- Ferroelastic phase transition -- Phase transitions
Аннотация: Phase transition (PT) was found in Cs3Bi2I9 single crystal at T0=223 K. Optical birefringence, dielectric and elastic constants and differential scanning calorimetry have been studied. It was found that birefringence ?nc and twinning picture appeared on (001) - and (100) - plates below T0, as well as softening of elastic stiffness C44 above T0. It allows to classify the PT as proper ferroelastic one with symmetry change 6/mmm - 2/m. В© 1996 OPA (Overseas Publishers Association) Amsterdam B.V. Published in The Netherlands under license by Gordon and Breach Science Publishers SA.

Scopus

Доп.точки доступа:
Melnikova, S. V.; Мельникова, Светлана Владимировна; Shabanova, L. A.; Zaitsev, A. I.; Зайцев, Александр Иванович; Parshikov, S. A.; Ageev, O. A.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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Aver'yanov, E. M.
Spectroscopic manifestations of the difference of the local symmetry of calamitic and discoidal nematics / E. M. Aver'yanov // JETP Letters. - 1997. - Vol. 66, Is. 12. - P. 847-852, DOI 10.1134/1.567608. - Cited References: 15 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
LIQUID-CRYSTALS
Аннотация: It is shown that the difference in the local symmetry of nematics consisting of rod-shaped and disk-shaped molecules is manifested as an observable qualitative difference in their spectroscopic characteristics. The well-known controversial experimental data are explained. (C) 1997 American Institute of Physics. [S0021-3640(97)01124-9].

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Аверьянов, Евгений Михайлович
}
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10.

Aver'yanov, E. M.
Spectral properties of calamitic and discotic nematics, associated with the difference in their local symmetry / E. M. Aver'yanov // Journal of Optical Technology (A Translation of Opticheskii Zhurnal). - 1998. - Vol. 65, Is. 7. - P. 515-523 . - ISSN 1070-9762
Кл.слова (ненормированные):
Crystal symmetry -- Light absorption -- Light polarization -- Resonance -- Calamitic nematics -- Discotic nematics -- Nematic liquid crystals
Аннотация: This paper discusses how the features of the local symmetry of calamitic and discotic nematic liquid crystals, the orientational ordering of the molecules, the polarization of intramolecular transitions, and the resonance intermolecular interactions (local-field effects) affect the polarized absorption spectra of these objects. It is shown that the difference of the local symmetry of calamitic and discotic nematics manifests itself in observable qualitative differences in their spectral properties. The published (controversial) experimental data are explained. В© 1998 The Optical Society of America.

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Доп.точки доступа:
Аверьянов, Евгений Михайлович
}
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11.

Aver'yanov, E. M.
Spectral properties of calamitic and discotic nematics, associated with the difference in their local symmetry / E. M. Aver'yanov // J. Opt. Technol. - 1998. - Vol. 65, Is. 7. - P. 515-523. - Cited References: 40 . - ISSN 1070-9762

РУБ Optics
Рубрики:
LIQUID-CRYSTALS
ALIGNMENT
Аннотация: This paper discusses how the features of the local symmetry of calamitic and discotic nematic liquid crystals, the orientational ordering of the molecules, the polarization of intramolecular transitions, and the resonance intermolecular interactions (local-field effects) affect the polarized absorption spectra of these objects. It is shown that the difference of the local symmetry of calamitic and discotic nematics manifests itself in observable qualitative differences in their spectral properties. The published (controversial) experimental data are explained. (C) 1998 The Optical Society of America.

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Доп.точки доступа:
Аверьянов, Евгений Михайлович
}
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12.

Prodaivoda, G. T.
Elastic symmetry and anisotropic parameters of specimens of Archean gneisses and Kola superdeep-borehole amphibolites / G. T. Prodaivoda, K. S. Aleksandrov // Geol. Geofiz. - 1998. - Vol. 39, Is. 3. - P. 375-385. - Cited References: 22 . - ISSN 0016-7886
Рубрики:
ROCKS
Кл.слова (ненормированные):
Kola superdeep borehole -- gneisses -- amphibolites -- elastic symmetry -- anisotropy -- bulk elastic waves -- microfracture orientation
Аннотация: Using an invariant-polarization ultrasound method, we have studied the velocities of elastic waves in the gneisses and amphibolites of the second rock mass of the Archean complex of the Kola superdeep borehole (7622-9456 m) and calculated the determinate components of acoustic tensor and elastic-constant tensor and their symmetry. The symmetry of the studied structures is shown to be rhombic and triclinic. The stereoprojections of mineral's crystallographic orientation and normals to microfractures are built by the data on the inversion of the azimuthal dependence of elastic constants.

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Публикация на "русском" языке

Держатели документа:
Kiev State Univ, Ul Vasilkovskaya 90, UA-252022 Kiev, Ukraine
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Продайвода, Георгий Трофимович
}
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13.

Aplesnin, S. S.
Quantum spin liquid in the 2D anisotropic Heisenberg model with frustrated next nearest neighbor exchange / S. S. Aplesnin // Low Temp. Phys. - 1998. - Vol. 24, Is. 8. - P. 572-577 ; Физика низких температур, DOI 10.1063/1.593639. - Cited References: 25 . - ISSN 1063-777X

РУБ Physics, Applied
Рубрики:
SQUARE-LATTICE ANTIFERROMAGNETS
   VALENCE BOND STATES
   SYSTEMS
   SUPERCONDUCTIVITY
   SYMMETRY
Аннотация: The two-dimensional (2D) Heisenberg model with anisotropic exchange (Delta = 1 - J(x)/J(z)) and with negative next nearest neighbor exchange (J(2)) with S = 1/2 is investigated by using the quantum-mechanical Monte-Carlo method. The energy, magnetic moment at a site, heat capacity, and spin-spin correlation functions are calculated. The stability regions for Neel ordering of spins as well as the strip-phase and gapless quantum spin liquid are determined in the interval Delta/2 less than or equal to J(2)/ J(1)less than or equal to 1/(2 Delta). (C) 1998 American Institute of Physics. [S1063-777X(98)00808-1].

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Держатели документа:
Russian Acad Sci, LV Kirenskii Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Аплеснин, Сергей Степанович

}
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14.

X-ray study of phase transitions in CS3Sb2I9 crystal / B. S. Bagautdinov [et al.] // Solid State Commun. - 1999. - Vol. 111, Is. 7. - P. 361-366, DOI 10.1016/S0038-1098(99)00217-3. - Cited References: 4 . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
CS3BI2I9
Кл.слова (ненормированные):
ferroelectrics -- X-ray scattering -- phase transitions -- Crystal growth -- Ferroelectric materials -- Phase transitions -- Single crystals -- Thermal effects -- X ray scattering -- Trigonal symmetry -- Cesium compounds
Аннотация: An X-ray study of three phase transitions (PTs) at 86, 78 and 72 K has been carried out for the trigonal modification of the Cs3Sb2I9 crystal (space group P-3m1, a = 8.460 Angstrom, c = 10.398 Angstrom). The T-c1 = 86 K PT preserves the trigonal symmetry and is associated with the doubling of the c-parameter. At T-c2 = 72 K a doubling of a and b is observed. An intermediate incommensurate phase with q(1) = 1/2c*, q(2) = (1/2 - delta)a* + 1/2c* has been detected in the temperature range of 78-72 K. The lock-in PT at 72 K has a first order character. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.

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Держатели документа:
Russian Acad Sci, Inst Crystallog, Moscow 117333, Russia
Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Univ Helsinki, FIN-00014 Helsinki, Finland
Univ Lausanne, Inst Christallog, CH-1015 Lausanne, Switzerland
ИФ СО РАН
Institute of Solid State Physics, RAS, 142432, Chernogolovka, Russian Federation
Institute of Crystallography, Russ. Acad. Sci., Leninski P., Moscow, Russian Federation
L.V. Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
University of Helsinki, FIN-00014, Helsinki, Finland
Universite de Lausanne, Institut de Christallographie, 1015, Lausanne-Dorigny, Switzerland

Доп.точки доступа:
Bagautdinov, B. S.; Novikova, M. S.; Aleksandrova, I. P.; Александрова, Инга Петровна; Blomberg, M. K.; Chapuis, G.
}
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15.

    Computation of effective elastic constants in anisotropic microseamy rocks / G. T. Prodaivoda [и др.] // Geol. Geofiz. - 2000. - Vol. 41, Is. 3. - P. 436-449. - Cited References: 25 . - ISSN 0016-7886
Рубрики:
WAVE-PROPAGATION
   SYMMETRY
Кл.слова (ненормированные):
anisotropy -- modeling -- orientation of microcracks -- elastic waves
Аннотация: A generalized method of conditional moments for computation of effective elastic constants of anisotropic rocks with spatially oriented microcracks is considered. The method involves an additional operation of averaging of known solution data for a modeled rock of orthorhombic structure with ellipsoidal microcracks whose semiaxes are oriented along the coordinate axes. The averaging is performed using the distribution function of rock microcrack orientations, which is expanded into a series in terms of generalized spherical functions. The expansion coefficients are determined by an experiment. In calculating the effective elastic constants of anisotropic rocks, there are no constraints on the concentration of microcracks. We have studied the parameters of azimuthal anisotropy of elastic-wave velocities in modeled amphibolites with ellipsoidal hornblende grains oriented along the coordinate axes and with three-planar and spatially oriented systems of microcracks. The obtained results agree with experimental data of ultrasonic determinations of elastic constants for amphibolite samples.

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Публикация на русском языке Метод расчета эффективных упругих постоянных в анизотропных микротрещиноватых горных породах [Текст] / Г. Т. Продайвода [и др.] // Геол. и геофиз. - 2000. - Т. 41 № 3. - С. 436-449

Держатели документа:
Univ Kiel, UA-252022 Kiev, Ukraine
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Natl Acad Sci Ukraine, Inst Mech, UA-252017 Kiev, Ukraine
ИФ СО РАН

Доп.точки доступа:
Prodaivoda, G. T.; Продайвода, Георгий Трофимович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Vyzhva, S. A.; Nazarenko, L. V.
}
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16.

Sorokin, B. P.
Influence of non-homogeneous uniaxial pressure on the propagation of bulk acoustic waves in crystals / B. P. Sorokin, A. N. Marushyak, K. S. Aleksandrov // Proc Annu IEEE Int Freq Control Symp. - 2000. - P. 404-409 . - ISBN 0161-6404
Кл.слова (ненормированные):
Acoustic bulk wave devices -- Calculations -- Crystal defects -- Crystal symmetry -- Functions -- Pressure effects -- Tensors -- Cubic crystal -- Green-Christoffel equation -- Uniaxial mechanical pressure -- Acoustic wave propagation
Аннотация: The development of the theory of propagation small amplitude bulk acoustic waves in crystals under the uniaxial mechanical pressure has made by taking into account the condition of non-homogeneous deformation of crystal sample. It has been shown that the path of bulk acoustic waves will be function of a kind non-homogeneous deformation. As an example the calculation for some crystal directions of cubic crystal Bi12GeO20 (23 point symmetry) has made.

Scopus

Доп.точки доступа:
Marushyak, A. N.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; IEEE Annual frequency control symposium(54 ; 2000 ; Jun. ; 7-9 ; Kansas)
}
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17.

Gavrichkov, V. A.
Electronic structure and order parameter symmetry in high-temperature superconductors / V. A. Gavrichkov, E. V. Kuz'min, S. G. Ovchinnikov // Uspekhi Fiz. Nauk. - 2000. - Vol. 170, Is. 2. - P. 189-192. - Cited References: 31 . - ISSN 0042-1294

РУБ Physics, Multidisciplinary
Рубрики:
CORRELATED ELECTRONS
   HUBBARD-MODEL
   OXIDES
   LA2-XSRXCUO4

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk, Russia
ИФ СО РАН

Доп.точки доступа:
Kuz'min, E. V.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Гавричков, Владимир Александрович
}
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18.

Polarization-optical and X-ray diffraction investigations on the symmetry of distorted phases of ammonium cryolite (NH4)(3)ScF6 / S. V. Mel'nikova [et al.] // Phys. Solid State. - 2000. - Vol. 42, Is. 2. - P. 345-349, DOI 10.1134/1.1131210. - Cited References: 12 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
TRANSITIONS
Аннотация: Single-crystal plates of different sections of the (NH4)(3)ScF6 crystal have been investigated by polarization-optical microscopy and X-ray diffraction over a wide temperature range, including the temperatures of two known phase transitions and the third transition found recently. It is established that the symmetry of phases changes in the following sequence: O-h(5) - Fm3m (Z = 4) ↔ C-2h(5) - P12(1)/n1 (Z = 2)↔ C-2h(3) -I12/m1 (Z = 16) ↔ C-i(1) - I (l) over bar (Z = 16). (C) 2000 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Kirenskii Inst Phys, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Agr Univ, Krasnoyarsk 660049, Russia
ИФ СО РАН

Доп.точки доступа:
Mel'nikova, S. V.; Мельникова, Светлана Владимировна; Misyul', S. V.; Мисюль, Сергей Валентинович; Bovina, A. F.; Бовина, Ася Федоровна; Afanas'ev, M. L.
}
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19.

Korshunov, M. M.
The effective Hamiltonian of the singlet-triplet model for copper oxides / M. M. Korshunov, S. G. Ovchinnikov // Phys. Solid State. - 2001. - Vol. 43, Is. 3. - P. 416-419, DOI 10.1134/1.1356113. - Cited References: 15 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
HIGH-TC SUPERCONDUCTORS
   BAND-STRUCTURE
   LA2-XSRXCUO4
   MECHANISM
   SYMMETRY
   SPECTRUM
Аннотация: The effective Hamiltonian for a realistic multiband p-d model is developed. In the case of electron doping, the Hamiltonian coincides with that for the standard t-J model. For hole doping, the singlet-triplet t-J model takes place. (C) 2001 MAIK "Nauka/Interperiodica".

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Держатели документа:
Krasnoyarsk State Univ, Krasnoyarsk 660062, Russia
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Krasnoyarsk State University, Krasnoyarsk, 660062, Russian Federation
Kirenskii Inst. of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Коршунов, Максим Михайлович
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20.

Fractional and unquantized dc voltage generation in THz-driven semiconductor superlattices / K. N. Alekseev [et al.] // Europhys. Lett. - 2001. - Vol. 56, Is. 6. - P. 842-848, DOI 10.1209/epl/i2001-00596-9. - Cited References: 40 . - ISSN 0295-5075

РУБ Physics, Multidisciplinary
Рубрики:
BLOCH OSCILLATIONS
   SYMMETRY-BREAKING
   ELECTRIC-FIELD
   FREQUENCY
   TRANSPORT
   CHAOS
   RESONANCES
   RADIATION
Аннотация: We consider the spontaneous creation of a dc voltage across a strongly coupled semiconductor superlattice subjected to THz radiation. We show that the dc voltage may be approximately proportional either to an integer or to a half-integer multiple of the frequency of the applied ac field, depending on the ratio of the characteristic scattering rates of conducting electrons. For the case of an ac field frequency less than the characteristic scattering rates, we demonstrate the generation of an unquantized dc voltage.

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Держатели документа:
Univ Oulu, Dept Phys Sci, Div Theoret Phys, FIN-90014 Oulu, Finland
LV Kirenskii Inst Phys, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Univ Notre Dame, Dept Elect Engn, Notre Dame, IN 46556 USA
Univ Loughborough, Dept Phys, Loughborough LE11 3TU, Leics, England
Boston Univ, Dept Elect & Comp Engn, Boston, MA 02215 USA
Boston Univ, Dept Phys, Boston, MA 02215 USA
ИФ СО РАН
Theor. of Nonlinear Processes Lab., Kirensky Institute of Physics, Krasnoyarsk 660036, Russian Federation
Department of Electrical Engineering, University of Notre Dame, Notre Dame, IN 46556, United States
Department of Physics, Loughborough University, Loughborough, LE11 3TU, United Kingdom
Depts. of Elec. and Comp. E., Boston University, Boston, MA 02215, United States

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