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1.
Alekseev, K. N.
Direct-current generation due to wave mixing in semiconductors / K. N. Alekseev, M. V. Erementchouk, F. V. Kusmartsev> // Europhys. Lett. - 1999. -
Vol. 47
,
Is. 5
. - P. 595-600,
DOI
10.1209/epl/i1999-00430-0. - Cited References: 34 . - ISSN 0295-5075
РУБ
Physics, Multidisciplinary
Рубрики:
BLOCH OSCILLATOR
SUPERLATTICES
PHOTOCURRENT
TRANSPORT
FREQUENCY
FIELD
RECTIFIERS
EMISSION
CHAOS
GAAS
Аннотация:
We describe an effect of the generation of direct current which may arise in semiconductors or semiconductor microstructures due to a mixing of coherent electromagnetic radiations of commensurate frequencies. The effect is, in essence, due to a nonparabolicity of the electron energy bands and is stronger in systems where this nonparabolicity is greater. We have made exact calculations in the framework of the Kane model, applicable to narrow-gap semiconductors and the tight-binding model which we employ for a description of a semiconductor superlattice.
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Loughborough Univ Technol, Sch Math & Phys Sci, Loughborough LE11 3TU, Leics, England
Russian Acad Sci, LD Landau Theoret Phys Inst, Chernogolovka 142432, Russia
ИФ СО РАН
Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Sch. of Math. and Physical Sciences, Loughborough University, Loughborough LE11 3TU, United Kingdom
Landau Inst. for Theoretical Physics, Russian Academy of Sciences, Moscow 142432, Russian Federation
Доп.точки доступа:
Erementchouk, M. V.; Kusmartsev, F. V.
}
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2.
Alekseev, K. N.
Dynamic
chaos
in the interaction between light and impurity centers in a crystal [Preprint] : препринт. № 598Ф / K. N. Alekseev, G. P. Berman ; Акад. наук СССР [et al.]. - Красноярск : ИФ СО АН СССР, 1989. - 8 p. - Библиогр. - 180 экз.
Перевод заглавия:
Динамический хаос при взаимодействии света с примесными центрами в кристалле
Перевод заглавия:
Динамический хаос при взаимодействии света с примесными центрами в кристалле
Держатели документа:
ГУНБ Красноярского края
Доп.точки доступа:
Berman, G. P.; Берман, Геннадий Петрович; Алексеев, Кирилл Николаевич; Академия наук СССР; Сибирское отделение АН СССР; Институт физики им. Л.В. Киренского Сибирского отделения АН СССР
Свободных экз. нет
}
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3.
Alekseev, K. N.
Light squeezing at the transition to quantum
chaos
/ K. N. Alekseev, J. . Perina> // Phys. Rev. E. - 1998. -
Vol. 57
,
Is. 4
. - P. 4023-4034,
DOI
10.1103/PhysRevE.57.4023. - Cited References: 62 . - ISSN 1063-651X
РУБ
Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
HIGHLY-EXCITED ATOMS
ELECTROMAGNETIC-FIELD
ANHARMONIC-OSCILLATOR
MICROWAVE IONIZATION
MONOCHROMATIC-FIELD
CLASSICAL MECHANICS
PERIODIC-ORBITS
RYDBERG ATOMS
HYDROGEN-ATOM
SYSTEMS
Аннотация:
We investigate theoretically the dynamics of squeezed state generation in nonlinear systems possessing a transition from regular to chaotic dynamics in the limit of a large number of photons. As an example, the model of a kicked Kerr oscillator is considered. We show that at the transition to quantum
chaos
the maximum possible degree of squeezing increases exponentially in time, in contrast to the regular dynamics, where the degree of squeezing increases only powerwise in time. We demonstrate the one-to-one correspondence of the degree of squeezing and the value of the local Lyapunov instability rate in the corresponding classical chaotic system.
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Держатели документа:
Abo Akad, Dept Phys, SF-20500 Turku, Finland
Russian Acad Sci, LV Kirensky Phys Inst, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Palacky Univ, Dept Opt, Olomouc 77207, Czech Republic
Palacky Univ, Joint Lab Opt, Olomouc 77207, Czech Republic
ИФ СО РАН
Доп.точки доступа:
Perina, J.
}
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4.
Alekseev, K. N.
Optical
chaos
in nonlinear photonic crystals / K. N. Alekseev, A. V. Ponomarev> // JETP Letters. - 2002. -
Vol. 75
,
Is. 4
. - P. 174-178,
DOI
10.1134/1.1475717. - Cited References: 34 . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Рубрики:
POLED LITHIUM-NIOBATE
3RD-HARMONIC GENERATION
WAVE-GUIDES
SUPERLATTICES
CHI((2))
Аннотация:
We examine the spatial evolution of lightwaves in a nonlinear photonic crystal with a quadratic nonlinearity, when a second harmonic and a sum-frequency generation are simultaneously quasi-phase-matched. We find the conditions for a transition to Hamiltonian
chaos
for different amplitudes of lightwaves at the crystal boundary. (C) 2002 MAIK "Nauka/ Interperiodica".
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Держатели документа:
Univ Oulu, Dept Phys Sci, FIN-90014 Oulu, Finland
Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
Russian Acad Sci, LV Kirensky Phys Inst, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Dept Phys, Krasnoyarsk 660041, Russia
ИФ СО РАН
Max-Planck-Inst. Physik Komplexer S., D-01187 Dresden, Germany
Theor. of Nonlinear Processes Lab., Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Department of Physics, Krasnoyarsk State University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Ponomarev, A. V.
}
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5.
Alekseev, K. N.
Pendulum limit,
chaos
and phase-locking in the dynamics of ac-driven semiconductor superlattices / K. N. Alekseev, F. V. Kusmartsev> // Phys. Lett. A. - 2002. -
Vol. 305
,
Is. 5
. - P. 281-288,
DOI
10.1016/S0375-9601(02)01420-2. - Cited References: 60 . - ISSN 0375-9601
РУБ
Physics, Multidisciplinary
Рубрики:
STRANGE NONCHAOTIC ATTRACTORS
DC VOLTAGE GENERATION
JOSEPHSON-JUNCTIONS
GAAS/ALAS SUPERLATTICE
BLOCH OSCILLATIONS
TERAHERTZ RADIATION
ELECTRIC-FIELD
THZ RADIATION
FREQUENCY
TRANSPORT
Кл.слова (ненормированные):
semiconductor superlattice
--
pendulum
--
chaos
--
phase-locking
--
Josephson junction
--
Chaos
--
Josephson junction
--
Pendulum
--
Phase-locking
--
Semiconductor superlattice
--
analytic method
--
analytical parameters
--
article
--
dynamics
--
electric potential
--
semiconductor
--
temperature
Аннотация:
We describe a limiting case when nonlinear dynamics of an ac-driven semiconductor superlattice in the miniband transport regime is governed by a periodically forced and damped pendulum equations. We find analytically the conditions for a transition to
chaos
. With increasing temperature the
chaos
disappears. We also discuss fractional do voltage states in a superlattice originating from phase-locked states of the pendulum. (C) 2002 Elsevier Science B.V. All rights reserved.
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Держатели документа:
Oulu Univ, Dept Phys Sci, FIN-90014 Oulu, Finland
LV Kirenskii Inst Phys, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Loughborough Univ Technol, Dept Phys, Loughborough LE11 3TU, Leics, England
ИФ СО РАН
Department of Physical Sciences, University of Oulu, P.O. Box 3000, FIN-90014, Oulu, Finland
Theory of Nonlin. Proc. Laboratory, Kirensky Institute of Physics, Krasnoyarsk 660036, Russian Federation
Department of Physics, Loughborough University, Loughborough LE11 3TU, United Kingdom
Доп.точки доступа:
Kusmartsev, F. V.
}
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6.
Alekseev, K. N.
Quantum-classical correspondence and nonclassical state generation in dissipative quantum optical systems / K. N. Alekseev, N. V. Alekseeva, J. . Perina> // J. Exp. Theor. Phys. - 2000. -
Vol. 90
,
Is. 4
. - P. 592-599,
DOI
10.1134/1.559142. - Cited References: 32 . - ISSN 1063-7761
РУБ
Physics, Multidisciplinary
Рубрики:
2ND-HARMONIC GENERATION
STATISTICAL PROPERTIES
HARMONIC-GENERATION
SQUEEZED STATES
CHAOS
LIGHT
NONLINEARITIES
INSTABILITIES
DYNAMICS
ATOMS
Аннотация:
We develop a semiclassical method to determine the nonlinear dynamics of dissipative quantum optical systems in the limit of large number of photons N; it is based on the 1/N-expansion and the quantum-classical correspondence. The method is used to tackle two problems: the study of the dynamics of nonclassical state generation in higher order anharmonic dissipative oscillators and the establishment of the difference between the quantum and classical dynamics of the second-harmonic generation in a self-pulsing regime. In addressing the first problem, we obtain an explicit time dependence of the squeezing and the Fano factor for an arbitrary degree of anharmonism in the short-time approximation. For the second problem, we analytically find a characteristic time scale at which the quantum dynamics differs insignificantly from the classical one. (C) 2000 MAIK "Nauka/Interperiodica".
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Palacky Univ, Dept Opt, Olomouc 77207, Czech Republic
Palacky Univ, Joint Lab Opt, Olomouc 77207, Czech Republic
ИФ СО РАН
Доп.точки доступа:
Alekseeva, N. V.; Perina, J.
}
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7.
Alekseev, K. N.
Squeezed states and quantum
chaos
/ K. N. Alekseev, D. S. Priimak> // J. Exp. Theor. Phys. - 1998. -
Vol. 86
,
Is. 1
. - P. 61-70,
DOI
10.1134/1.558469. - Cited References: 41 . - ISSN 1063-7761
РУБ
Physics, Multidisciplinary
Рубрики:
PERIODICALLY KICKED PENDULUM
CLASSICAL CORRESPONDENCE
SYSTEMS
LIGHT
FLUCTUATIONS
OSCILLATOR
MECHANICS
MASER
Аннотация:
We examine the dynamics of a wave packet that initially corresponds to a coherent state in the model of a quantum rotator excited by a periodic sequence of kicks. This model is the main model of quantum
chaos
and allows for a transition from regular behavior to chaotic in the classical limit. By doing a numerical experiment we study the generation of squeezed states in quasiclassical conditions and in a time interval when quantum-classical correspondence is well-defined. We find that the degree of squeezing depends on the degree of local instability in the system and increases with the Chirikov classical stochasticity parameter. We also discuss the dependence of the degree of squeezing on the initial width of the packet, the problem of stability and observability of squeezed states in the transition to quantum
chaos
, and the dynamics of disintegration of wave packets in quantum
chaos
. (C) 1998 American Institute of Physics.
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Доп.точки доступа:
Priimak, D. S.
}
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8.
Alekseev, K. N.
The 1/N-expansion, quantum-classical correspondence and nonclassical states generation in dissipative higher-order anharmonic oscillators / K. N. Alekseev, J. . Perina> // Phys. Scr. - 2000. -
Vol. 61
,
Is. 1
. - P. 7-16,
DOI
10.1238/Physica.Regular.061a00007. - Cited References: 38 . - ISSN 0281-1847
РУБ
Physics, Multidisciplinary
Рубрики:
2ND-HARMONIC GENERATION
HARMONIC-GENERATION
SQUEEZED STATES
CHAOS
LIGHT
MECHANICS
DYNAMICS
STATISTICS
SYSTEMS
OPTICS
Аннотация:
We develop a method for the determination of the dynamics of dissipative quantum systems in the limit of large number of quanta N, based on the 1/N-expansion of Heidmann et al. [Opt. Commun. 54, 189 (1985)] and the quantum-classical correspondence. Using this method, we End analytically the dynamics of nonclassical states generation in the higher-order anharmonic dissipative oscillators for an arbitrary temperature of a reservoir. We show that the quantum correction to the classical motion increases with time quadratically up to some maximal value, which is dependent on the degree of nonlinearity and a damping constant, and then it decreases. Similarities and differences with the corresponding behavior of the quantum corrections to the classical motion in the Hamiltonian chaotic systems are discussed. We also compare our results obtained for some limiting cases with the results obtained by using other semiclassical tools and discuss the conditions for validity of our approach.
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Держатели документа:
Palacky Univ, Dept Opt, Olomouc 77207, Czech Republic
Palacky Univ, Joint Lab Opt, Olomouc 77207, Czech Republic
Acad Sci Czech Republ, Dept Opt, Olomouc, Czech Republic
Acad Sci Czech Republ, Joint Lab Opt, Olomouc 77207, Czech Republic
Russian Acad Sci, Theory Nonlinear Proc Lab, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Доп.точки доступа:
Perina, J.
}
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9.
Alekseyev, K. N.
Dynamic
chaos
under the action of external monochromatic radiation on a 2-level medium with allowance for cooperative effects / K. N. Alekseyev, G. P. Berman> // Zhurnal Eksperimentalnoi Teor. Fiz. - 1987. -
Vol. 92
,
Is. 6
. - P. 1985-1994. - Cited References: 29 . - ISSN 0044-4510
РУБ
Physics, Multidisciplinary
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Доп.точки доступа:
Berman, G. P.; Берман, Геннадий Петрович
}
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10.
Belobrov, P. I.
Methods of nonlinear dynamics and equilibrium structures of magnetoelastic chains / P. I. Belobrov, A. G. Tretyakov, G. M. Zaslavsky> // J. Stat. Phys. - 1985. -
Vol. 38
,
Is. 1-2
. - P. 393-404,
DOI
10.1007/BF01017869. - Cited References: 22 . - ISSN 0022-4715
РУБ
Physics, Mathematical
Кл.слова (ненормированные):
chaos
--
Incommensurate structure
--
magnetoelastic interaction
--
nonlinear resonance
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Scopus
Держатели документа:
L. V. Kirensky Institute of Physics, USSR Academy of Sciences Siberian Branch, Krasnoyarsk, 660036, Russia
Доп.точки доступа:
Tretyakov, A. G.; Третьяков, Александр Григорьевич; Zaslavsky, G. M.; Заславский, Георгий Моисеевич; Белобров, Петр Иванович
}
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11.
Beloshapkin, V. V.
On the spectral properties of dynamical-systems in the transition region from order to
chaos
/ V. V. Beloshapkin, G. M. Zaslavskii> // Phys. Lett. A. - 1983. -
Vol. 97
,
Is. 4
. - P. 121-124,
DOI
10.1016/0375-9601(83)90191-3. - Cited References: 13 . - ISSN 0375-9601
РУБ
Physics, Multidisciplinary
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Доп.точки доступа:
Zaslavsky, G. M.; Заславский, Георгий Моисеевич; Белошапкин, Валерий Васильевич
}
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12.
Berggren, K. F.
Crossover from regular to irregular behavior in current flow through open billiards / K. F. Berggren, A. F. Sadreev, A. A. Starikov> // Phys. Rev. E. - 2002. -
Vol. 66
,
Is. 1
. - Ст. 16218,
DOI
10.1103/PhysRevE.66.016218. - Cited References: 36 . - ISSN 1539-3755
РУБ
Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
PHASE SINGULARITIES
NODAL POINTS
WAVE-FIELDS
QUANTUM
STREAMLINES
CONDUCTANCE
VORTICES
CHAOS
Кл.слова (ненормированные):
Eigenvalues and eigenfunctions
--
Mathematical models
--
Networks (circuits)
--
Random processes
--
Resonance
--
Signal processing
--
Spurious signal noise
--
Bursting time series
--
Coherence resonance
--
Power spectrum
--
Stochastic resonance
--
Chaos
theory
Аннотация:
We discuss signatures of quantum
chaos
in terms of distributions of nodal points, saddle points, and streamlines for coherent electron transport through two-dimensional billiards, which are either nominally integrable or chaotic. As typical examples of the two cases we select rectangular and Sinai billiards. We have numerically evaluted distribution functions for nearest distances between nodal points and found that there is a generic form for open chaotic billiards through which a net current is passed. We have also evaluated the distribution functions for nodal points with specific vorticity (winding number) as well as for saddle points. The distributions may be used as signatures of quantum
chaos
in open systems. All distributions are well reproduced using random complex linear combinations of nearly monochromatic states in nominally closed billiards. In the case of rectangular billiards with simple sharp-cornered leads the distributions have characteristic features related to order among the nodal points. A flaring or rounding of the contact regions may, however, induce a crossover to nodal point distributions and current flow typical for quantum
chaos
. For an irregular arrangement of nodal points, as for example in the Sinai billiard, the quantum flow lines become very complex and volatile, recalling
chaos
among classical trajectories. Similarities with percolation are pointed out.
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Держатели документа:
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Dept. of Phys. and Msrmt. Technology, Linkoping University, S-581 83 Linkoping, Sweden
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Starikov, A. A.
}
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13.
Berman, G. P.
Quantum
chaos
in a diatomic molecule interacting with a resonant field / G. P. Berman, A. R. Kolovsky> // Zhurnal Eksperimentalnoi Teor. Fiz. - 1989. -
Vol. 95
,
Is. 5
. - P. 1553-1561. - Cited References: 10 . - ISSN 0044-4510
РУБ
Physics, Multidisciplinary
WOS
Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич; Берман, Геннадий Петрович
}
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14.
Berman, G. P.
Quantum
chaos
in interactions of multilevel quantum-systems with a coherent radiation-field / G. P. Berman, A. R. Kolovskii> // Uspekhi Fiz. Nauk. - 1992. -
Vol. 162
,
Is. 4
. - P. 95-141. - Cited References: 36 . - ISSN 0042-1294
РУБ
Physics, Multidisciplinary
Рубрики:
QUASIENERGY FUNCTIONS
RESONANCES
BEHAVIOR
OVERLAP
Аннотация:
The paper is short review of the papers devoted to the dynamics of the multilevel quantum systems affected by the external periodic field. The main attention is paid to the phenomenon of the quantum nonlinear resonance and the interaction of the two quantum nonlinear resonances, when the dynamics of the system is chaotic in the classical limit. The paper also contains the analysis of some physical systems where these phenomena take place. 30 figs. 37 refs.
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Доп.точки доступа:
Kolovskii, A. R.; Коловский, Андрей Радиевич; Берман, Геннадий Петрович
}
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15.
Berman, G. P.
Structural order ND
chaos
in a one-dimensional quantum atomic chain / G. P. Berman, A. M. Iomin> // Phys. Lett. A. - 1985. -
Vol. 107
,
Is. 7
. - P. 324-328,
DOI
10.1016/0375-9601(85)90646-2. - Cited References: 22 . - ISSN 0375-9601
РУБ
Physics, Multidisciplinary
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Доп.точки доступа:
Iomin, A. M.; Берман, Геннадий Петрович
}
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16.
Bulgakov, E. N.
Electric circuit networks equivalent to chaotic quantum billiards / E. N. Bulgakov, D. N. Maksimov, A. F. Sadreev> // Phys. Rev. E. - 2005. -
Vol. 71
,
Is. 4
. - Ст. 46205,
DOI
10.1103/PhysRevE.71.046205. - Cited References: 31 . - ISSN 1063-651X
РУБ
Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
TIME-REVERSAL SYMMETRY
CONDUCTANCE FLUCTUATIONS
STATISTICS
SYSTEMS
EIGENFUNCTIONS
DOTS
Кл.слова (ненормированные):
Chaotic quantum billiards
--
Electric resonance circuits (ERC)
--
Resonance networks
--
Wave functions
--
Boundary conditions
--
Capacitors
--
Chaos
theory
--
Eigenvalues and eigenfunctions
--
Electric inductors
--
Natural frequencies
--
Quantum theory
--
Resonance
--
Statistical mechanics
--
Networks (circuits)
Аннотация:
We consider two electric RLC resonance networks that are equivalent to quantum billiards. In a network of inductors grounded by capacitors, the eigenvalues of the quantum billiard correspond to the squared resonant frequencies. In a network of capacitors grounded by inductors, the eigenvalues of the billiard are given by the inverse of the squared resonant frequencies. In both cases, the local voltages play the role of the wave function of the quantum billiard. However, unlike for quantum billiards, there is a heat power because of the resistance of the inductors. In the equivalent chaotic billiards, we derive a distribution of the heat power which describes well the numerical statistics.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
Astafev Pedag Univ, Krasnoyarsk 660049, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Dept. of Physics and Measurement, Technology Linkoping University, 5-557 83 Linkoping, Sweden
Astaf'Ev Pedagogical University, 89, Krasnoyarsk, 660049 Lebedeva, Russian Federation
Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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17.
Bulgakov, E. N.
Rectangular microwave resonators with magnetic anisotropy. Mapping onto pseudointegrable rhombus / E. N. Bulgakov, A. F. Sadreev> // Europhys. Lett. - 2002. -
Vol. 57
,
Is. 2
. - P. 198-204,
DOI
10.1209/epl/i2002-00561-8. - Cited References: 24 . - ISSN 0295-5075
РУБ
Physics, Multidisciplinary
Рубрики:
TIME-REVERSAL SYMMETRY
SPECTRAL STATISTICS
STADIUM BILLIARD
EIGENFUNCTIONS
SYSTEMS
CHAOS
Аннотация:
A rectangular microwave resonator filled with ferrite with uniaxial magnetic anisotropy is considered. It is shown that this task can be reduced to an empty rhombus resonator with the vertex angle defined by an external magnetic field, provided that the magnetic anisotropy of the ferrite is strong. Therefore, the statistics of eigenfrequencies for TM modes is described by the Brody or semi-Poisson distribution with some exceptional cases.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
ИФ СО РАН
Kirensky Institute of Physics-, 660036, Krasnoyarsk, Russian Federation
Department of Physics and Measurement Technology, Linkoping University, S-581 83 Linkoping, Sweden
Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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18.
Bulgakov, E. N.
Statistics of wave functions and currents induced by spin-orbit interaction in chaotic billiards / E. N. Bulgakov, A. F. Sadreev> // Phys. Rev. E. - 2004. -
Vol. 70
,
Is. 5
. - Ст. 56211,
DOI
10.1103/PhysRevE.70.056211. - Cited References: 33 . - ISSN 1539-3755
РУБ
Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
HELMHOLTZ-EQUATION
PERSISTENT CURRENTS
ELECTRON-GAS
RINGS
EIGENFUNCTIONS
SYSTEMS
PHASE
Кл.слова (ненормированные):
Approximation theory
--
Chaos
theory
--
Degrees of freedom (mechanics)
--
Eigenvalues and eigenfunctions
--
Electric field effects
--
Electric potential
--
Electron gas
--
Hamiltonians
--
Heterojunctions
--
Microwaves
--
Statistical methods
--
Chaotic Robnik billiards
--
Current distributions
--
Spin-orbit interaction (SOI)
--
Wave functions
--
Quantum theory
Аннотация:
We show that the wave function and current statistics in chaotic Robnik billiards crucially depend on the constant of the spin-orbit interaction (SOI). For small constant the current statistics is described by universal current distributions derived for slightly opened chaotic billiards [Saichev et al. J. Phys. A. 35, L87 (2002)] although one of the components of the spinor eigenfunctions is not universal. For strong SOI both components of the spinor eigenstate are complex random Gaussian fields. This observation allows us to derive the distributions of spin-orbit persistent cut-rents which well describe numerical statistics. For intermediate values of the statistics of the eigenstates and currents, both are deeply nonuniversal.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Astafev Krasnoyarsk Pedag Univ, Lebedeva 660049 89, Russia
Linkoping Univ, IFM, S-58183 Linkoping, Sweden
ИФ СО РАН
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Astaf'ev Krasnoyarsk Pedagogical U., 660049, Lebedeva, 89, Russian Federation
IFM, Linkoping University, S-581 83 Linkoping, Sweden
Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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19.
Bychek, A. A.
Probing quantum
chaos
in many-body quantum systems by the induced dissipation / A. A. Bychek, P. S. Muraev, A. R. Kolovsky> // Phys. Rev. A. - 2019. -
Vol. 100
,
Is. 1
. - Ст. 013610,
DOI
10.1103/PhysRevA.100.013610. - Cited References: 29. - This work has been supported through Russian Science Foundation Grant N19-12-00167. The authors are grateful to D. N. Maksimov for stimulating discussions. . - ISSN 2469-9926. - ISSN 2469-9934
Перевод заглавия:
Исследование квантового хаоса в многочастичных квантовых системах при помощи диссипации
РУБ
Optics + Physics, Atomic, Molecular & Chemical
Аннотация:
We theoretically analyze the depletion dynamics of an ensemble of cold atoms in a quasi-one-dimensional optical lattice where atoms in one of the lattice sites are subject to decay. Unlike the previous studies of this problem in Labouvie et al., Phys. Rev. Lett. 116, 235302 (2016), we focus on the case where the system is brought to the chaotic regime, which crucially modifies the depletion dynamics as compared to the regular case. It is shown that depletion of the affected site results in gradual depletion of the neighboring sites according to the t1/3 scaling law. We also show that by measuring occupations of the lattice sites one can extract important information on chaotic dynamics of the original conservative system.
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Держатели документа:
Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Доп.точки доступа:
Muraev, Pavel S.; Kolovsky, A. R.; Коловский, Андрей Радиевич; Бычек, Анна Андреевна; Russian Science Foundation [N19-12-00167]
}
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20.
Chaotic waveguide-based resonators
for microlasers / J. A. Mendez-Bermudez [et al.]> // Phys. Rev. B. - 2003. -
Vol. 67
,
Is. 16
. - Ст. 161104,
DOI
10.1103/PhysRevB.67.161104. - Cited References: 33 . - ISSN 1098-0121
РУБ
Physics, Condensed Matter
Рубрики:
QUANTUM-CLASSICAL CORRESPONDENCE
MORPHOLOGY-DEPENDENT RESONANCES
DIRECTIONAL EMISSION
OPTICAL CAVITIES
MICRODISK LASERS
WAVE
CHAOS
DROPLETS
PRECESSION
BILLIARDS
STATES
Аннотация:
We propose the construction of highly directional emission microlasers using two-dimensional high-index semiconductor waveguides as open resonators. The prototype waveguide is formed by two collinear leads connected to a cavity of certain shape. The proposed lasing mechanism requires that the shape of the cavity yield mixed chaotic ray dynamics so as to have the approplate (phase space) resonance islands. These islands allow, via Heisenberg's uncertainty principle, the appearance of quasibound states (QBSs) which, in turn, propitiate the lasing mechanism. The energy values of the QBSs are found through the solution of the Helmholtz equation. We use classical ray dynamics to predict the direction and intensity of the lasing produced by such open resonators for typical values of the index of refraction.
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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
Доп.точки доступа:
Mendez-Bermudez, J. A.; Luna-Acosta, G. A.; Seba, P.; Pichugin, K. N.; Пичугин, Константин Николаевич
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