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Open bose-hubbard chain: pseudoclassical approach / A. A. Bychek, P. S. Muraev, D. N. Maksimov, A. R. Kolovsky // Phys. Rev. E. - 2020. - Vol. 101, Is. 1. - Ст. 012208, DOI 10.1103/PhysRevE.101.012208. - Cited References: 29. - This work has been supported through Russian Science Foundation (RU), N19-12-00167 . - ISSN 2470-0045. - ISSN 2470-0053

РУБ Physics, Fluids & Plasmas + Physics, Mathematical

Аннотация: We analyze the stationary current of bosonic carriers in the Bose-Hubbard chain of length L where the first and the last sites of the chain are attached to reservoirs of Bose particles acting as a particle source and sink, respectively. The analysis is carried out by using the pseudoclassical approach which reduces the original quantum problem to the classical problem for L coupled nonlinear oscillators. It is shown that an increase of oscillator nonlinearity (which is determined by the strength of interparticle interactions) results in a transition from the ballistic transport regime, where the stationary current is independent of the chain length, to the diffusive regime, where the current is inversely proportional to L.

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Держатели документа:
Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Sch Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Bychek, A. A.; Бычек, Анна Андреевна; Muraev, P. S.; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Kolovsky, A. R.; Коловский, Андрей Радиевич; Russian Science FoundationRussian Science Foundation (RSF) [N19-12-00167]
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Chaotic and regular dynamics in the three-site Bose-Hubbard model / A. A. Bychek, P. S. Muraev, D. N. Maksimov [et al.] // AIP Conf. Proc. - 2020. - Vol. 2241. - Ст. 020007DOI 10.1063/5.0011540. - Cited References: 30. - This work has been supported through Russian Science Foundation Grant N19-12-00167
Аннотация: We analyze the energy spectrum of the three-site Bose-Hubbard model. It is shown that this spectrum is a mixture of the regular and irregular spectra associated with the regular and chaotic components of the classical Bose-Hubbard model. We find relative volumes of these components by using the pseudoclassical approach. Substituting these values in the Berry-Robnik distribution for the level spacing statistics we obtain good agreement with the numerical data.

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Держатели документа:
L.V. Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
M.F. Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, 660037, Russian Federation

Доп.точки доступа:
Bychek, A. A.; Бычек, Анна Андреевна; Muraev, P. S.; Мураев, Павел Сергеевич; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Bulgakov, E. N.; Булгаков, Евгений Николаевич; Kolovsky, A. R.; Коловский, Андрей Радиевич; International Conference on Quantum Technologies(5th ; 15 - 19 July 2019 ; Moscow)
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Observation of an accidental bound state in the continuum in a chain of dielectric dIsks / M. S. Sidorenko, O. N. Sergaeva, Z. F. Sadrieva [et al.] // Phys. Rev. Appl. - 2021. - Vol. 15, Is. 3. - Ст. 034041, DOI 10.1103/PhysRevApplied.15.034041. - Cited References: 58. - The authors acknowledge Almas Sadreev for fruitful discussions. M.D.N. acknowledges financial support from the Government of the Russian Federation through the ITMO Fellowship and Professorship Program and thanks ITMO University for hospitality. C.R.-C. acknowledges funding from the MIT MISTI-Russia Program. This work is supported by the Russian Foundation for Basic Research (Grants No. 19-02-00419 and No. 20-52-12062), the grant of the President of the Russian Federation (MK-2224.2020.2), and the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS . - ISSN 2331-7019
Кл.слова (ненормированные):
Dielectric disks -- Material absorption -- Near-field measurement -- Photonic systems -- Quality factors -- Radio frequencies -- Tight binding model -- Transmission spectrums -- Loop antennas
Аннотация: Being a general wave phenomenon, bound states in the continuum (BICs) appear in acoustic, hydrodynamic, and photonic systems of various dimensionalities. Here, we report the first experimental observation of an accidental electromagnetic BIC in a one-dimensional periodic chain of coaxial ceramic disks. We show that the accidental BIC manifests itself as a narrow peak in the transmission spectra of the chain placed between two loop antennas. We demonstrate a linear growth of the radiative quality factor of the BICs with the number of disks that is well described with the developed tight-binding model. We estimate the number of disks when the radiation losses become negligible in comparison to material absorption and, therefore, the chain can be considered as practically infinite. The presented analysis is supported by near-field measurements of the BIC profile. The obtained results provide useful guidelines for practical implementations of structures with BICs opening up horizons for the development of radio-frequency and optical metadevices.

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Держатели документа:
Department of Physics and Engineering, Itmo University, St. Petersburg, 197101, Russian Federation
Research Laboratory of Electronics, Massachusetts Institute of Technology, 50 Vassar Street, Cambridge, MA, United States
Kirensky Institute of Physics, Federal Research Center Ksc Sb Ras, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Sidorenko, M. S.; Sergaeva, O. N.; Sadrieva, Z. F.; Roques-Carmes, C.; Muraev, P. S.; Мураев, Павел Сергеевич; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Bogdanov, A. A.
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Muraev, P. S.
Quantum transport in a one-dimensional flux rhombic lattice / P. S. Muraev, A. R. Kolovsky // Quantum Electron. - 2021. - Vol. 51, Is. 6. - P. 502-505, DOI 10.1070/QEL17559. - Cited References: 19. - This work was supported by the Russian Science Foundation (Grant No. 19-12-00167) . - ISSN 1063-7818. - ISSN 1468-4799

РУБ Engineering, Electrical & Electronic + Quantum Science & Technology + Physics, Applied

Кл.слова (ненормированные):
quantum transport -- rhombic lattice -- pseudoclassical approach
Аннотация: We analyse stationary current of the bosonic particles in a flux rhombic lattice connecting two particle reservoirs. For vanishing interparticle interactions the current is shown to monotonically decrease as the flux is increased and become strictly zero for the Peierls phase equal to π. Nonzero interactions modify this dependence and for moderate interaction strength the current is found to be independent of the flux value.

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Публикация на русском языке Мураев, Павел Сергеевич. Квантовый перенос в одномерной вихревой ромбической решетке [Текст] / П. С. Мураев, А. Р. Коловский // Квант. электроника. - 2021. - Т. 51 № 6. - С. 502-505

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Akad Gorodok 50,Stroenie 38, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Prosp Svobodnyi 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич; Мураев, Павел Сергеевич; Russian Science Foundation [19-12-00167]
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Мураев, Павел Сергеевич.
Квантовый перенос в одномерной вихревой ромбической решетке / П. С. Мураев, А. Р. Коловский // Квант. электроника. - 2021. - Т. 51, № 6. - С. 502-505. - Библиогр.: 19. - Работа выполнена при поддержке Российского научного фонда (грант № 19-12-00167) . - ISSN 0368-7147
Кл.слова (ненормированные):
квантовый перенос -- ромбическая решетка -- псевдоклассический подход
Аннотация: Проанализирован стационарный ток бозонных частиц в вихревой ромбической решетке, соединяющей два резервуара с частицами. Показано, что при исчезающе малом взаимодействии частиц ток этих частиц монотонно убывает по мере увеличения магнитного потока и обращается точно в нуль при фазе Пайерлса, равной π. Отличие силы взаимодействия от нуля модифицирует эту зависимость, и при умеренной ее величине было обнаружено, что ток частиц не зависит от величины магнитного потока.

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Переводная версия Muraev P. S. Quantum transport in a one-dimensional flux rhombic lattice [Текст] / P. S. Muraev, A. R. Kolovsky // Quantum Electron. - 2021. - Vol. 51 Is. 6.- P.502-505

Держатели документа:
Институт физики им. Л. В. Киренского СО РАН, г. Красноярск
Сибирский федеральный университет, г. Красноярск

Доп.точки доступа:
Коловский, Андрей Радиевич; Kolovsky, A. R.; Muraev P. S.
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European Quantum Electronics Conference (2021 ; June ; 21- 25)

Accidental bound state in the continuum in a chain of dielectric disks / M. S. Sidorenko, O. N. Sergaeva, Z. F. Sadrieva [et al.] // Optics InfoBase Conference Papers. - 2021. - 2021 European Quantum Electronics Conference, EQEC 2021 - Part of 2021 Conference on Lasers and Electro-Optics Europe, CLEO 2021 (21 June 2021 through 25 June 2021, Virtual, Online) Conference code: 174130. - Ст. jsi_2_4. - Cited References: 2. - The work was supported by RFBR (19-02-00419), the grant of the President of the Russian Federation (MK-2224.2020.2) and the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS
Аннотация: We experimentally analyze for the first time an off-Gamma BIC in a one-dimensional periodic chain of disks and demonstrate its transformation to a resonant state with the decrease of the chains length.

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Держатели документа:
Department of Physics and Engineering, ITMO University, St. Petersburg, 197101, Russian Federation
Research Laboratory of Electronics, Massachusetts Institute of Technology, 50 Vassar St., Cambridge, MA, United States
Kirensky Institute of Physics, Federal Research Center, KSC, SB, RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Sidorenko, M. S.; Sergaeva, O. N.; Sadrieva, Z. F.; Roques-Carmes, C.; Muraev, P. S.; Мураев, Павел Сергеевич; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Bogdanov, A. A.; European Quantum Electronics Conference(2021 ; June ; 21- 25)
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Muraev, P. S.
Resonant transport of bosonic carriers through a quantum device / P. S. Muraev, D. N. Maksimov, A. R. Kolovsky // Phys. Rev. A. - 2022. - Vol. 105, Is. 1. - Ст. 013307, DOI 10.1103/PhysRevA.105.013307. - Cited References: 16. - This work was supported by Russian Science Foundation Grant No. N19-12-00167 . - ISSN 2469-9926. - ISSN 2469-9934

РУБ Optics + Physics, Atomic, Molecular & Chemical

Аннотация: We analyze the current of Bose particles across a tight-binding chain connected at both ends to the particles' reservoirs. Unlike the standard open Bose-Hubbard model, where the presence of reservoirs is taken into account by the Lindbladians acting on the first and last sites of the chain, we use semimicroscopic models for the reservoirs. This allows us to address the case of arbitrary reservoir temperature. In particular, we discuss the phenomenon of the resonant transmission for nearly condensed bosons, where the current across the chain is significantly enhanced for certain values of the gate voltage.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Sch Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Siberian Fed Univ, IRC SQC, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Kolovsky, A. R.; Коловский, Андрей Радиевич; Мураев, Павел Сергеевич; Russian Science FoundationRussian Science Foundation (RSF) [N19-12-00167]
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Accidental bound state in the continuum in a chain of dielectric disks / M. S. Sidorenko, O. N. Sergaeva, Z. F. Sadrieva [et al.] // 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference : IEEE, 2021. - Conference on Lasers and Electro-Optics Europe / European Quantum Electronics Conference (Jun 21-25, 2021, Electr. Network), DOI 10.1109/CLEO/Europe-EQEC52157.2021.9592618. - Cited References: 2. - The work was supported by RFBR (19-02-00419), the grant of the President of the Russian Federation (MK2224.2020.2) and the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS . - ISBN 978-1-6654-1876-8

РУБ Engineering, Electrical & Electronic + Quantum Science & Technology + Optics + Physics, Applied

Аннотация: Dielectric resonators are open systems whose eigenmodes couple to the radiation continuum resulting in nonzero radiation losses. For a long time, it was believed that only guided modes with frequencies below the light line were decoupled from the radiation continuum [1] . In the early 2000’s, several counterexamples of perfectly localized states – i.e. totally decoupled from the radiation continuum – at frequencies above the light line were proposed in dielectric gratings and photonic crystal waveguides [2] . Such states are known as bound states in the continuum (BIC).

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Держатели документа:
ITMO Univ, Dept Phys & Engn, St Petersburg 197101, Russia.
MIT, Elect Res Lab, 50 Vassar St, Cambridge, MA 02139 USA.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Sidorenko, M. S.; Sergaeva, O. N.; Sadrieva, Z. F.; Roques-Carmes, C.; Muraev, P. S.; Мураев, Павел Сергеевич; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Bogdanov, A. A.; RFBRRussian Foundation for Basic Research (RFBR) [19-02-00419]; Russian FederationRussian Federation [MK2224.2020.2]; Foundation for the Advancement of Theoretical Physics and Mathematics BASIS; Conference on Lasers and Electro-Optics Europe; European Quantum Electronics Conference(2021 ; June)
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Muraev, P. S.
Ballistic transport of interacting Bose particles in a tight-binding chain / P. S. Muraev, D. N. Maksimov, A. R. Kolovsky // Phys. Rev. E. - 2022. - Vol. 106, Is. 6. - Ст. 064203, DOI 10.1103/PhysRevE.106.064203. - Cited References: 30. - This work has been supported by Russian Science Foundation through Grant No. N19-12-00167 . - ISSN 2470-0045. - ISSN 2470-0053
Кл.слова (ненормированные):
Bosons -- Quantum chemistry -- Transport properties
Аннотация: It is known that the quantum transport of noninteracting Bose particles across a tight-binding chain is ballistic in the sense that the current does not depend on the chain length. We address the question whether the transport of strongly interacting bosons can be ballistic as well. We find such a regime and show that, classically, it corresponds to the synchronized motion of local nonlinear oscillators. It is also argued that, unlike the case of noninteracting bosons, the transporting state responsible for the ballistic transport of interacting bosons is metastable, i.e., the current decays in the course of time. An estimate for the decay time is obtained.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
School of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
IRC SQC, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Kolovsky, A. R.; Коловский, Андрей Радиевич; Мураев, Павел Сергеевич
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10.

Muraev, P. S.
Quantum manifestation of the classical bifurcation in the driven dissipative Bose–Hubbard dimer / P. S. Muraev, D. N. Maksimov, A. R. Kolovsky // Entropy. - 2023. - Vol. 25, Is. 1 : Special Issue: Quantum Chaos—Dedicated to Professor Giulio Casati on the Occasion of His 80th Birthday. - Ст. 117, DOI 10.3390/e25010117. - Cited References: 18. - This work has been supported by Russian Science Foundation through grant N19-12-00167 . - ISSN 1099-4300
Кл.слова (ненормированные):
open quantum system -- non-linear dynamics -- chaotic attractors
Аннотация: We analyze the classical and quantum dynamics of the driven dissipative Bose–Hubbard dimer. Under variation of the driving frequency, the classical system is shown to exhibit a bifurcation to the limit cycle, where its steady-state solution corresponds to periodic oscillation with the frequency unrelated to the driving frequency. This bifurcation is shown to lead to a peculiarity in the stationary single-particle density matrix of the quantum system. The case of the Bose–Hubbard trimer, where the discussed limit cycle bifurcates into a chaotic attractor, is briefly discussed.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
School of Engineering Physics and Radio Electronics, Siberian Federal University, 660041 Krasnoyarsk, Russia
IRC SQC, Siberian Federal University, 660041 Krasnoyarsk, Russia

Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Kolovsky, A. R.; Коловский, Андрей Радиевич; Мураев, Павел Сергеевич
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