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   В37

    Пичугин, Константин Николаевич.
    Эффекты квантовой интерференции в электронном транспорте через двумерные наноструктуры : автореф. дисна соиск. уч. степени канд. физ.-мат. наук. 01.04.07 - физ. конд. сост. / К. Н. Пичугин ; науч. рук. А. Ф. Садреев ; офиц. опп.: В. В. Вальков, В. В. Белошапкин ; Рос. акад. наук, Сиб. отд-ние, Ин-т физики им. Л.В. Киренского, вед. орг. Ин-т физики полупроводников. - Красноярск, 2007. - 18 с. - Библиогр. -

ГРНТИ

29.19.16

29.31.21

Рубрики:
Наноструктуры--Свойства электромагнитные--Интерференция квантовая--Исследование

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

Доп.точки доступа:
Садреев, Алмаз Фаттахович \науч. рук.\; Sadreev, A. F.; Вальков, Валерий Владимирович \офиц. опп.\; Val'kov, V. V.; Белошапкин, Валерий Васильевич \офиц. опп.\; Pichugin, K. N.; Российская академия наук; Сибирское отделение РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Институт физики полупроводников Сибирского отделения РАН
Свободных экз. нет}
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   В31
   П 36

    Пичугин, Константин Николаевич.
    Эффекты квантовой интерференции в электронном транспорте через двумерные наноструктуры [Рукопись] : дис. на соиск. уч. степени канд. физ.-мат. наук : 01.04.07 / К. Н. Пичугин ; науч. рук. А. Ф. Садреев ; Рос. акад. наук, Сиб. отд-ние, Ин-т физики им. Л.В. Киренского. - Красноярск, 2007. - 112 с. - Библиогр. -

ГРНТИ

29.19

29.05.33

ББК В31я031

Держатели документа:
Библиотека Института физики им. Л. В. Киренского СО РАН
Доп.точки доступа:
Садреев, Алмаз Фаттахович \науч. рук.\; Sadreev, A.F.; Pichugin, K.N.; Российская академия наук; Сибирское отделение РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН
Экземпляры всего: 1
ДС (1)
Свободны: ДС (1)}
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Пичугин, Константин Николаевич.
Осцилляции Ааронова-Бома в двумерных мезоскопических кольцах / К. Н. Пичугин, А. Ф. Садреев // Конференция молодых ученых : материалы конф. / Рос. акад. наук [и др.]. - Красноярск, 1997. - С. 77-78

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

Доп.точки доступа:
Садреев, Алмаз Фаттахович; Sadreev, A. F.; Pichugin, K. N.; Российская академия наук; Сибирское отделение РАН; Красноярский научный центр Сибирского отделения РАНКонференция молодых ученых [КНЦ СО РАН](1997 ; март ; 18 ; Красноярск)
}
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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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Pichugin, K. N.
Ultrahigh-Q system of a few coaxial disks / K. Pichugin, A. Sadreev, E. Bulgakov // Nanophotonics. - 2021. - Vol. 10, Is. 17. - P. 4341-4346, DOI 10.1515/nanoph-2021-0345. - Cited References: 36. - The paper was funded by Russian Foundation for Basic Research project Nos. 19-02-00055 and the Silver age project of Guangdong province, China, Grant. 2020A131303010 . - ISSN 2192-8614
Кл.слова (ненормированные):
avoided resonant crossing -- Mie modes -- resonant modes of disk
Аннотация: Resonant modes of high contrast dielectric disk have finite Q-factors in the subwavelength range due to radiation leakage into the surrounding space. That leakage can be reduced considerably (a few times) by exploiting of the mechanism of destructive interference of two modes for avoided crossing of resonances (ACR) (Rybin et al. M. V. Rybin, K. L. Koshelev, Z. F. Sadrieva, et al., "High-Q Supercavity Modes in Subwavelength Dielectric Resonators,"Phys. Rev. Lett., vol. 119, p. 243901, 2017.). In the present paper we report suppression of radiation leakage by a few orders in magnitude via the ACR in the structure of three and four different coaxial disks. For fine multi-scale tuning of disks we reveal the ultrahigh-Q resonances of order 105 for the case of three disks and of order 106 for the case of four coaxial disks of equal radii.

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Держатели документа:
Federal Research Center KSC Siberian Branch, L.V. Kirensky Institute of Physics, RAN, Krasnoyarsk, 660036, Russian Federation
Department of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou, 510632, China

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Bulgakov, E. N.; Булгаков, Евгений Николаевич; Пичугин, Константин Николаевич
}
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The general relativity with conformal units / V. N. Pervushin [et al.] // Физ. элементар. частиц и атом. ядра. - 2012. - Т. 43, № 5. - P. 1319-1331. - Библиогр.: 42 назв. - The authors would like thank M. Bordag, S. Deser, D. Ebert, A. Efremov, V. Gershun, Yu. Ignatev, E. Lukierski, and A. Zheltukhin for useful discussions. VNP and AB were supported in part by the Bogoliubov-Infeld program. AFZ is grateful to the JINR Directorate for a support. . - ISSN 0367-2026
Аннотация: General Relativity rewritten in conformal units identifies conformal intervals with the real observational distances. This identification gives a base to explain all epochs of the Universe evolution including Ia supernova luminosity long distance-redshift relation by the dominance of the Casimir vacuum energy of all physical fields. A set of arguments is discussed in favor that SNe Ia data in the conformal units can be an evidence of the conformal twistor structure of the space-time as a nonlinear realization of the affine group, like the nonlinear realization of chiral symmetry and phenomenological Lagrangian is evidence of the quark structure of hadrons.

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"Переводная" версия The general relativity with conformal units [Текст] / V. N. Pervushin [et al.] // Phys. Part. Nuclei : MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 43 Is. 5.- P.682-688

Держатели документа:
[Pervushin, V. N.
Arbuzov, A. B.
Barbashov, B. M.
Nazmitdinov, R. G.] JINR, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia
[Arbuzov, A. B.] Univ Dubna, Dept Higher Math, Dubna 141980, Russia
[Nazmitdinov, R. G.] Univ Illes Balears, Dept Fis, E-07122 Palma De Mallorca, Spain
[Borowiec, A.] Univ Wroclaw, Inst Theoret Phys, PL-50204 Wroclaw, Poland
[Pichugin, K. N.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Zakharov, A. F.] Inst Theoret & Expt Phys, Moscow 117259, Russia

Доп.точки доступа:
Pervushin, V. N.; Arbuzov, A. B.; Barbashov, B. M.; Nazmitdinov, R. G.; Borowiec, A.; Pichugin, K. N.; Пичугин, Константин Николаевич; Zakharov, A. F.
}
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The general relativity with conformal units / V. N. Pervushin [et al.] // Phys. Part. Nuclei. - 2012. - Vol. 43, Is. 5. - P. 682-688, DOI 10.1134/S1063779612050310. - Cited References: 42. - The authors would like thank M. Bordag, S. Deser, D. Ebert, A. Efremov, V. Gershun, Yu. Ignatev, E. Lukierski, and A. Zheltukhin for useful discussions. VNP and AB were supported in part by the Bogoliubov-Infeld program. AFZ is grateful to the JINR Directorate for a support. . - ISSN 1063-7796

РУБ Physics, Particles & Fields
Рубрики:
ACCELERATING UNIVERSE
   COSMOLOGICAL CONSTANT
   SUPERNOVA
   SPACE
   DECELERATION
   GRAVITY
Аннотация: General Relativity rewritten in conformal units identifies conformal intervals with the real observational distances. This identification gives a base to explain all epochs of the Universe evolution including Ia supernova luminosity long distance-redshift relation by the dominance of the Casimir vacuum energy of all physical fields. A set of arguments is discussed in favor that SNe Ia data in the conformal units can be an evidence of the conformal twistor structure of the space-time as a nonlinear realization of the affine group, like the nonlinear realization of chiral symmetry and phenomenological Lagrangian is evidence of the quark structure of hadrons.

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Публикация "на русском языке" The general relativity with conformal units [Текст] / V. N. Pervushin [et al.] // Физ. элементар. частиц и атом. ядра : Объединенный институт ядерных исследований, 2012. - Т. 43 № 5.- P.1319-1331

    Symmetry breaking in open quantum nonlinear systems / A. F. Sadreev [et al.] // Nonlinear phenomena in complex systems: from nano to macro scale : Springer, 2015. - P. 235-252. - (NATO science for peace and security series C: Environmental security)DOI 10.1007/978-94-017-8704-8_17 . - ISBN 978-94-017-8704-8. - ISBN 978-94-017-8703-1
   Перевод заглавия: Нарушение симметрии в открытых квантовых нелинейных системах
Аннотация: We consider symmetry breaking in the simplest open quantum nonlinear systems such as dimer and plaquette of four nonlinear sites coupled with linear tight-binding wires. If the solution is stationary, the total Hilbert space can be projected into the inner states of the dimer or plaquette by the Feshbach procedure. That derives a nonlinear analogue of the Lippmann-Schwinger equation with injected wave as a source. By neglecting radiation shifts the Lippmann-Scwinger equation limits to the coupled mode theory equations widely used in optics. We show three scenarios for the transmission through the nonlinear quantum systems. The first one inherits the linear case and preserves the symmetry. In the second scenario the symmetry is broken because of different intensities at the dimer sites. In the third scenario the intensities at the sites are equaled but phases of complex wave function are different. That results in a vortical power flow between the nonlinear sites similar to the DC Josephson current. We show how the phenomenon of symmetry breaking can used for switching of outputs symmetrically coupled to the quantum dimer . Also we reveal a domain in the parameter space where none of stationary solutions exist. As a result injection of a monochromatic symmetric wave gives rise to emission of nonsymmetric satellite waves with energies different from the energy of the incident wave. Thus, the response exhibits non monochromatic behavior.

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Держатели документа:
Inst Phys, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Bulgakov, E. N.; Булгаков, Евгений Николаевич; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Pichugin, K. N.; Пичугин, Константин Николаевич
}
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Bulgakov, E. N.
Symmetry breaking for transmission in a photonic waveguide coupled with two off-channel nonlinear defects / E. N. Bulgakov, K. N. Pichugin, A. F. Sadreev // Phys. Rev. B. - 2011. - Vol. 83, Is. 4. - Ст. 45109, DOI 10.1103/PhysRevB.83.045109. - Cited References: 50. - This work was partially supported by RFBR Grant No. 09-02-98005-"Siberia" and RFBR Grant No. 11-02-00289. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
CRYSTAL-CIRCUITS
   LOCALIZED MODES
   BISTABILITY
   IMPURITIES
   RESONANCE
   CAVITIES
   STATES
   MEDIA
Аннотация: We consider light transmission in a two-dimensional (2D) photonic crystal waveguide coupled with two identical nonlinear defects positioned symmetrically aside the waveguide. With the coupled mode theory, we show three scenarios for the transmission. The first one inherits the linear case and preserves the symmetry. In the second scenario, the symmetry is broken because of different light intensities at the defects. In the third scenario, the intensities at the defects are equal but phases of complex amplitudes are different. That results in a vortical power flow between the defects similar to the dc Josephson effect if the input power over the waveguide is applied and the defects are coupled. All of these phenomena agree well with computations based on an expansion of the electromagnetic field into optimally adapted photonic Wannier functions in a 2D photonic crystal.

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Держатели документа:
[Bulgakov, Evgeny
Pichugin, Konstantin
Sadreev, Almas] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Bulgakov, Evgeny] Siberian State Aerosp Univ, Krasnoyarsk, Russia

Доп.точки доступа:
Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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10.

Super-bound states in the continuum through merging in grating / E. Bulgakov, G. Shadrina, A. Sadreev, K. Pichugin // Phys. Rev. B. - 2023. - Vol. 108, Is. 12. - Ст. 125303, DOI 10.1103/PhysRevB.108.125303. - Cited References: 70. - We thankful Yi Xu and Zhanyuan Zhang for numerous fruitful discussions. The work was supported by Russian Science Foundation Grant No. 22-12-00070 . - ISSN 2469-9950. - ISSN 2469-9969
Аннотация: We consider bound states in the continuum (BICs) in grating composed of infinitely long silicon rods of rectangular cross-section. We reveal merging off-Γ Friedrich-Wintgen BIC with symmetry protected BIC. We present CMT and multipole decomposition theory, complementing each other, to analyze the merging phenomenon. The theories show a crossover of the behavior of Q factor from standard inverse square law k-2x,z towards extremely fast boosting law k-6x,z in momentum space. In turn that crossover gives rise to another crossover from Q ~ N2 to Q ~ N3 for symmetry protected quasi-BIC in finite grating of N rods owing to suppression of radiation leakage of quasi-BIC mode from surface of grating. As a result, the Q factor of quasi-BIC is determined by residual leakage from ends of grating. We show numerically that this leakage can also be suppressed considerably if grating is stretched from the ends.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk Russia
Russia Institute of Computational Modelling SB RAS, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Bulgakov, E. N.; Булгаков, Евгений Николаевич; Shadrina, Galina; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Pichugin, K. N.; Пичугин, Константин Николаевич
}
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11.

Super quasibound state in the continuum / Zh. Zhang, E. Bulgakov, K. Pichugin [et al.] // Phys. Rev. Appl. - 2023. - Vol. 20, Is. 1. - Ст. L011003, DOI 10.1103/PhysRevApplied.20.L011003. - Cited References: 60. - Zhanyuan Zhang and Yi Xu would like to thank the suggestions from Dr Meng Kang and Professor Chengbo Mou. This work is supported by National Natural Science Foundation of China (62222505), Russian Science Foundation with Grant No. 22-12-00070 and the Guangdong Introducing Innovative, Entrepreneurial Teams of “The Pearl River Talent Recruitment Program” (2019ZT08X340). K. Pichugin,E. Bulgakov and A. Sadreev acknowledge the state assignment of Kirensky Institute of Physics . - ISSN 2331-7019
Аннотация: Avoided crossing of resonances and merging multiple bound states in the continuum (BICs) are parallel means for tailoring the physical properties of BICs. Herein, we introduce a concept of super quasi-BIC for photonic crystal (PhC) systems where its quality (Q) factor is boosted in both parametric and momentum spaces. A super quasi-BIC with substantial enhancement of Q factor can be achieved in a finite PhC by combining avoided crossing of two symmetry-protected (SP) quasi-BICs in parametric space and merging BICs in momentum space simultaneously. Of note, analytical theory shows that the proposed mechanism results in the transition of asymptotic behavior of the Q factor over the numbers of resonators from N2 to exclusive N3 for SP BICs, which is highly significant for realizing quasi-BICs in a compact PhC. Microwave experiments are performed to validate the theoretical results. Our results provide a paradigm shift for manipulating the physical properties quasi-BICs in finite PhC structures, which can also be generalized to the two-dimensional PhC slab case. It would facilitate various applications, including but not limited to low-threshold lasing and high figure-of-merit sensing, etc.

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Держатели документа:
Guangdong Provincial Key Laboratory of Information Photonics Technology, Institute of Advanced Photonic Technology, School of Information Engineering, Guangdong University of Technology, Guangzhou, China
Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, China

Доп.точки доступа:
Zhang, Zhanyuan; Bulgakov, E. N.; Булгаков, Евгений Николаевич; Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Xu, Yi; Qin, Yuwen
}
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12.

Pichugin, K. N.
Spin-orbit effects in carbon nanotubes - Analytical results / K. N. Pichugin, M. Pudlak, R. G. Nazmitdinov // Eur. Phys. J. B. - 2014. - Vol. 87, Is. 6. - Ст. 124, DOI 10.1140/epjb/e2014-50076-6. - Cited References: 21 . - ISSN 1434-6028. - ISSN 1434-6036

РУБ Physics, Condensed Matter
Рубрики:
ELECTRONS
TRANSPORT
GRAPHENE
Аннотация: Energy spectra and transport properties of armchair nanotubes with curvature induced spin-orbit interaction are investigated thoroughly. The spin-orbit interaction consists of two terms: the first one preserves the spin symmetry in rotating frame, while the second one breaks it. It is found that the both terms are equally important: (i) at scattering on the potential step which mimics a long-range potential in the nanotubes; (ii) at transport via nanotube quantum dots. It is shown that an armchair nanotube with the first spin-orbit term works as an ideal spin-filter, while the second term produces a parasitic inductance.

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Держатели документа:
Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Inst Expt Phys, Kosice 04001, Slovakia
Univ Illes Balears, Dept Fis, Palma de Mallorca 07122, Spain
Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia

Доп.точки доступа:
Pudlak, M.; Nazmitdinov, R. G.; Пичугин, Константин Николаевич
}
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13.

Nazmitdinov, R. G.
Spin control in semiconductor quantum wires: Rashba and Dresselhaus interaction / R. G. Nazmitdinov, K. N. Pichugin, M. . Valin-Rodriguez // Phys. Rev. B. - 2009. - Vol. 79, Is. 19. - Ст. 193303, DOI 10.1103/PhysRevB.79.193303. - Cited References: 20. - This work was partly supported by Ministerio de Ciencia e Innovacion (Spain), Grant No. FIS2008-00781/FIS and RFBR under Grants No. 08-02-00118 and No. 09-02-98005 (Russia). . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
MAGNETIC-FIELDS
SPINTRONICS
Кл.слова (ненормированные):
semiconductor quantum wires -- spin polarised transport -- spin-orbit interactions
Аннотация: We show that spin precession in a semiconductor quantum wire, caused by the Rashba and the Dresselhaus interactions (both of arbitrary strengths), can be suppressed by dint of an in-plane magnetic field. Using a condition of the translational invariance in the longitudinal coordinate, we found another type of symmetry, which arises at a particular set of intensity and orientation of the magnetic field and explains this suppression. Based on our findings, we propose a transport experiment to measure the strengths of the Rashba and the Dresselhaus interactions.

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Держатели документа:
[Nazmitdinov, R. G.] Univ Illes Balears, Dept Fis, E-07122 Palma de Mallorca, Spain
[Pichugin, K. N.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Valin-Rodriguez, M.] Conselleria Educ Cultura, E-07004 Palma de Mallorca, Spain
[Nazmitdinov, R. G.] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia
ИФ СО РАН
Departament de Fisica, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russian Federation
Kirensky Institute of Physics, Akademgorodok 50/38, 660036 Krasnoyarsk, Russian Federation
Conselleria d'Educacio i Cultura, E-07004 Palma de Mallorca, Spain

Доп.точки доступа:
Pichugin, K. N.; Пичугин, Константин Николаевич; Valin-Rodriguez, M.
}
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14.

Jauho, A. P.
Simulations of interference effects in gated two-dimensional ballistic electron systems / A. P. Jauho, K. N. Pichugin, A. F. Sadreev // Phys. Rev. B. - 1999. - Vol. 60, Is. 11. - P. 8191-8198, DOI 10.1103/PhysRevB.60.8191. - Cited References: 26 . - ISSN 0163-1829

РУБ Physics, Condensed Matter
Рубрики:
CIRCULAR BENDS
   WAVE-GUIDES
   QUANTUM
   CONDUCTANCE
   FLOW
   GAS
Аннотация: We present detailed simulations addressing recent electronic interference experiments,where a metallic gate is used to locally modify the Fermi wavelength of the charge carriers. Our numerical calculations are based on a solution of the one-particle Schrodinger equation for a realistic model of the actual sample geometry, including a Poison equation-based determination of the potential due to the gate. The conductance is determined with the multiprobe Landauer-Buttiker formula, and in general we find conductance vs gate voltage characteristics, which closely resemble the experimental traces. A detailed examination based on quantum-mechanical streamlines suggests that the simple one-dimensional semiclassical model often used to describe the experiments has only a limited range of validity, and that certain ''unexpected" periodicities should not be assigned any particular significance, they arise due to the complicated multiple scattering processes occurring in certain sample geometries.

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Tech Univ Denmark, Mikroelekt Ctr, DK-2800 Lyngby, Denmark
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Acad Sci Czech Republ, Inst Phys, CR-16200 Prague, Czech Republic
Abo Akad Univ, Dept Phys, SF-20500 Turku, Finland
ИФ СО РАН

Доп.точки доступа:
Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович
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15.

Signatures of quantum chaos in the nodal points and streamlines in electron transport through billiards / K. F. Berggren [et al.] // JETP Letters. - 1999. - Vol. 70, Is. 6. - P. 403-409, DOI 10.1134/1.568188. - Cited References: 13 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:

Аннотация: Streamlines and the distributions of nodal points are used as signatures of chaos in coherent electron transport through three types of billiards: Sinai, Bunimovich, and rectangular. Numerical averaged distribution functions of the nearest distances between nodal points are presented. We find the same form for the Sinai and Bunimovich billiards and suggest that there is a universal form that can be used as a signature of quantum chaos for electron transport in open billiards. The universal distribution function is found to be insensitive to the way the averaging is performed (over the positions of the leads, over an energy interval with a few conductance fluctuations, or both). The integrable rectangular billiard, on the other hand, displays a nonuniversal distribution with a central peak related to partial order of nodal points for the case of symmetric attachment of the leads. However, cases with asymmetric leads tend to the universal form. Also, it is shown how nodal points in the rectangular billiard can lead to "channeling of quantum flows," while disorder in the nodal points in the Sinai billiard gives rise to unstable irregular behavior of the flow. (C) 1999 American Institute of Physics. [S0021- 3640(99)00718-5].

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Держатели документа:
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Acad Sci Czech Republic, Inst Phys, Prague 16000, Czech Republic
ИФ СО РАН

Доп.точки доступа:
Berggren, K. F.; Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Starikov, A. A.
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16.

Pichugin, K. N.
Self-induced light trapping in nonlinear Fabry–Perot resonators / K. N. Pichugin, A. F. Sadreev // Phys. Lett. A. - 2016. - Vol. 380, Is. 42. - P. 3570-3574, DOI 10.1016/j.physleta.2016.08.032. - Cited References: 32. - We thank D.N. Maksimov for discussions. The work was supported by Russian Science Foundation through grant 14-12-00266. . - ISSN 0375-9601
Кл.слова (ненормированные):
Bound state in the continuum -- Fabry-Perot resonator -- Light storage -- Nonlinear optics
Аннотация: In the framework of the coupled mode theory we consider light trapping between two off-channel resonators which serve as self-adjusted Fano mirrors due to the Kerr effect. By inserting an auxiliary nonlinear resonator between the mirrors we achieve self-tuning of phase shift between the mirrors. That allows for the light trapping for arbitrary distance between the mirrors. © 2016 Elsevier B.V.

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Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Пичугин, Константин Николаевич
}
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17.

Bulgakov, E. N.
Resonant binding of dielectric particles to a metal surface without plasmonics / E. Bulgakov, K. Pichugin, A. Sadreev // Phys. Rev. A. - 2021. - Vol. 103, Is. 5. - Ст. L051501, DOI 10.1103/PhysRevA.103.L051501. - Cited References: 36. - The work was supported by Russian Foundation for Basic Research Project No. 19-02-00055 . - ISSN 2469-9926. - ISSN 2469-9934

РУБ Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
RADIATION PRESSURE
   OPTICAL BINDING
   FORCES
   MANIPULATION
Аннотация: A high index dielectric spherical particle supports the high-Q resonant Mie modes that result in a regular series of sharp resonances in the radiation pressure. The presence of a perfectly conducting metal surface transforms the Mie modes into extremely high-Q magnetic bonding or electric antibonding modes for the close approach of a sphere to a surface. We show that an electromagnetic plane wave with normal incidence results in repulsive or attractive resonant optical forces relative to a metal for the excitation of electric bonding or magnetic antibonding resonant modes, respectively. A magnitude of resonant optical forces reaches the order of 1 nN of magnitude for micron-sized silicon particles and a power of light 1mW/μm2 that exceeds the gravitational force by four orders. However, what is the most remarkable is there are steady positions for a sphere between the pulling and pushing forces that give rise to the resonant binding of the sphere to a metal surface.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Foundation for Basic Research ProjectRussian Foundation for Basic Research (RFBR) [19-02-00055]
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18.

Reply to "Comment on 'Thomson rings in a disk' " / A. Puente [et al.] // Phys. Rev. E. - 2017. - Vol. 95, Is. 2. - Ст. 026602, DOI 10.1103/PhysRevE.95.026602. - Cited References:5. - M.C. and K.P. are grateful for the warm hospitality at JINR. This work was supported in part by Bogoliubov-Infeld program of BLTP and Russian Foundation for Basic Research. . - ISSN 2470-0045. - ISSN 2470-0053

РУБ Physics, Fluids & Plasmas + Physics, Mathematical

Аннотация: We demonstrate that our model [Phys. Rev. E 91, 032312 (2015)] serves as a useful tool to trace the evolution of equilibrium configurations of one-component charged particles confined in a disk. Our approach reduces significantly the computational effort inminimizing the energy of equilibrium configurations, and it demonstrates a remarkable agreement with the values provided by molecular-dynamics calculations. We show that the Comment misrepresents our paper and fails to provide plausible arguments against the formation hexagonal structure for n = 200 in molecular-dynamics calculations.

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Держатели документа:
Univ Illes Balears, Dept Fis, E-07122 Palma De Mallorca, Spain.
Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia.
PAN, Inst Nucl Phys, Dept Theory Struct Matter, PL-31342 Krakow, Poland.
Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Puente, A.; Nazmitdinov, R. G.; Cerkaski, M.; Pichugin, K. N.; Пичугин, Константин Николаевич
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19.

Random matrix analysis of the monopole strength distribution in 208Pb / A. P. Severyukhin [et al.] // Phys. At. Nucl. - 2016. - Vol. 79, Is. 6. - P. 835-841, DOI 10.1134/S1063778816060223. - Cited References: 36. - A.P.S. thanks for the hospitality the Division of Mathematical Physics, Lund University, where a part of this work has been done. This work was partly supported by Russian Foundation for Basic Research (project nos. 16-52-150003 and 16-02-00228). . - ISSN 1063-7788
Аннотация: We study statistical properties of the 0+ spectrum of 208Pb in the energy region Ex ≤ 20 MeV. We use the Skyrme interaction SLy4 as our model Hamiltonian to create a single-particle spectrum and to analyze excited states. The finite-rank separable approximation for the particle–hole interaction enables us to perform the calculations in large configuration spaces. We show that while the position of the monopole resonance centroid is determined by one-phonon excitations of 0+, the phonon–phonon coupling is crucial for the description of the strength distribution of the 0+ spectrum. In fact, this coupling has an impact on the spectral rigidity Δ3(L) which is shifted towards the random matrix limit of the Gaussian orthogonal ensembles.

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Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russian Federation
Dubna State University, Dubna, Russian Federation
Mathematical Physics, LTH, Lund University, Lund, Sweden
Departament de Fisica, Universitat de les Illes Balears, Palma, Spain
Kirensky Institute of Physics, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Severyukhin, A. P.; Aberg, S.; Arsenyev, N. N.; Nazmitdinov, R. G.; Pichugin, K. N.; Пичугин, Константин Николаевич
}
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20.

Quantum nonequilibrium approach for fast electron transport in open systems: Photosynthetic reaction centers / M. . Pudlak [et al.] // Phys. Rev. E. - 2011. - Vol. 84, Is. 5. - Ст. 51912, DOI 10.1103/PhysRevE.84.051912. - Cited References: 34. - This work is partly supported by the Slovak Academy of Sciences in the framework of Center of Excellence NANOFLUID, VEGA Grants No. 2/0069/10, No. FIS2008-00781/FIS (Spain), and RFBR No. 11-02-00086 (Russia). . - ISSN 1539-3755

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
BACTERIUM RHODOPSEUDOMONAS-VIRIDIS
   PRIMARY CHARGE SEPARATION
   AMINO-ACID-SEQUENCE
   BACTERIOPHEOPHYTIN
   RELAXATION
   SUBUNIT
   DONOR
   MODEL
Кл.слова (ненормированные):
Electron transfer -- External fields -- Fast electron transport -- Initial conditions -- Non equilibrium -- Path-integral -- Perturbation theory -- Photosynthetic reaction center -- Second orders -- Time convolution -- Vibrational modes -- Electron transitions -- Perturbation techniques -- Quantum chemistry -- Photosynthesis
Аннотация: Creation of electrons or excitons by external fields in a system with initially statistically independent unrelaxed vibrational modes leads to an initial condition term. The contribution of this term in the time convolution generalized master-equation approach is studied in the second order of the perturbation theory in path-integral formalism. The developed approach, applied for the analysis of dynamics in the photosynthetic reaction center, exhibits the key role of the initial condition terms at the primary stage of electron transfer.

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Держатели документа:
[Pudlak, M.
Pincak, R.] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia
[Pichugin, K. N.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Nazmitdinov, R. G.] Univ Illes Balears, Dept Fis, ES-07122 Palma De Mallorca, Spain
[Nazmitdinov, R. G.] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia
ИФ СО РАН
Institute of Experimental Physics, Slovak Academy of Sciences, 04353 Kosice, Slovakia
Kirensky Institute of Physics, Akademgorodok 50/38, 660036 Krasnoyarsk, Russian Federation
Departament de Fisica, Universitat de les Illes Balears, ES-07122 Palma de Mallorca, Spain
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russian Federation

Доп.точки доступа:
Pudlak, M.; Pichugin, K. N.; Пичугин, Константин Николаевич; Nazmitdinov, R. G.; Pincak, R.
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