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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Huang, Lujun, Huang, Sibo, Shen, Chen, Yves, Simon, Pilipchuk A. S., Ni, Xiang, Kim, Seunghwi, Chiang, Yan Kei, Powell, David A., Zhu, Jie, Cheng, Ya, Li, Yong, Sadreev A. F., Alu, Andrea, Miroshnichenko, Andrey E.
Заглавие : Acoustic resonances in non-Hermitian open systems
Колич.характеристики :17 с
Место публикации : Nat. Rev. Phys. - 2024. - Vol. 6, Is. 1. - P.11-27. - ISSN 25225820 (eISSN), DOI 10.1038/s42254-023-00659-z
Примечания : Cited References: 288. - L.H. and A.E.M. were supported by the Australian Research Council Discovery Project (DP200101353) and the UNSW Scientia Fellowship programme. S.H. and Y.L. were supported by the Shanghai Science and Technology Committee (grant nos. 21JC1405600). C.S. was supported by the US National Science Foundation under grant no. CMMI-2137749. S.Y., X.N., S.K. and A.A. were supported by the Air Force Office of Scientific Research and Simons Foundation. A.S.P and A.F.S acknowledge the state assignment of Kirensky Institute of Physics. Y.K.C. and D.A.P. were supported by the Australian Research Council Discovery Project (grant no. DP200101708)
Аннотация: Acoustic resonances in open systems, which are usually associated with resonant modes characterized by complex eigenfrequencies, play a fundamental role in manipulating acoustic wave radiation and propagation. Notably, they are accompanied by considerable field enhancement, boosting interactions between waves and matter, and leading to various exciting applications. In the past two decades, acoustic metamaterials have enabled a high degree of control over tailoring acoustic resonances over a range of frequencies. Here, we provide an overview of recent advances in the area of acoustic resonances in non-Hermitian open systems, including Helmholtz resonators, metamaterials and metasurfaces, and discuss their applications in various acoustic devices, including sound absorbers, acoustic sources, vortex beam generation and imaging. We also discuss bound states in the continuum and their applications in boosting acoustic wave–matter interactions, active phononics and non-Hermitian acoustic resonances, including phononic topological insulators and the acoustic skin effect.
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aksenov S. V., Kagan M. Yu.
Заглавие : Majorana modes and Fano resonances in Aharonov–Bohm ring with topologically nontrivial superconducting bridge
Колич.характеристики :22 с
Место публикации : J. Low Temp. Phys. - 2024. - Article in press. - ISSN 00222291 (ISSN), DOI 10.1007/s10909-024-03171-5. - ISSN 15737357 (eISSN)
Примечания : Cited References: 46. - We were inspired by Andreev’s seminal contribution in the superconducting nanophysics—the field which started in fact from Josephson effect and Andreev reflection. M. Yu. Kagan thanks the Program for basic research of the National Research University Higher School of Economics for support. The work was partially carried out within the state assignment of Kirensky Institute of Physics. S.V.A. thanks the Foundation for the Advancement of Theoretical Physics and Mathematics "BASIS" for support
Аннотация: We study different resonances (first of all of the Fano type) in the interference device formed by the Aharonov–Bohm ring with superconducting (SC) wire in the topologically nontrivial state playing a role of a bridge between top and bottom arms. We analyze Majorana modes on the ends of the SC wire and show that the collapse of the additional Fano resonance, that is initially induced by transport scheme asymmetry, is connected with the increase of the length of the bridge when the binding energy of the Majorana end modes tends to zero. In local transport regime, the Fano resonances are stable against the change of the transport symmetry. The reasons of both collapse and sustainability are analyzed using a spinless toy model including the Kitaev chain.
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Arkhipkin V. G., Myslivets S. A.
Заглавие : Transmission and reflection spectra of a photonic crystal with a Raman defects
Место публикации : J. Exp. Theor. Phys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2011. - Vol. 111, Is. 6. - P898-906. - ISSN 1063-7761, DOI 10.1134/S1063776110120022
Примечания : Cited References: 37. - This work was supported by the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. NSh-7810.2010.3), the Presidium of the Russian Academy of Sciences (project no. 27.1), the Ministry of Education and Science of the Russian Federation (state contract no. 02.740.11.0220), and the Siberian Branch, Russian Academy of Sciences (integration project no. 5).
Предметные рубрики: ELECTROMAGNETICALLY INDUCED TRANSPARENCY
SLOW-LIGHT
NONLINEAR OPTICS
MICROCAVITIES
LASERS
AMPLIFIER
MODES
Ключевые слова (''Своб.индексиров.''): group velocities--high frequency hf--microwatts--nonlinear refractive index--one dimensional photonic crystal--probe field--pump intensities--raman gain--raman resonances--reflection spectra--spectral position--three level atoms--transmission spectrums--defects--dispersion (waves)--probes--pumping (laser)--pumps--refractive index--resonance--photonic crystals
Аннотация: Features of Raman gain of probe radiation in three-level atoms placed in a defect of a one-dimensional photonic crystal in the presence of laser radiation (pump) at an adjacent high-frequency transition have been theoretically investigated. It has been shown that there is a pump intensity range where narrow peaks (resonances) simultaneously appear in the transmission and reflection spectra of the probe field. Beyond this region, the peak in the transmission spectrum is transformed to a narrow dip. The spectral position of these peaks is determined by the Raman resonance and the transmittance and reflectance can be larger than unity at pump intensities from several microwatts per square centimeter to several tens of milliwatts per square centimeter. The nature of narrow peaks is due to a sharp dispersion of a nonlinear refractive index near the Raman resonance; this dispersion is responsible for a strong decrease in the group velocity of probe radiation. The proposed scheme makes it possible to obtain controlled ultranarrow resonances in the transmission and reflection spectra of the photonic crystal.
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Baev A. S., Popov A. K.
Заглавие : Sub-Doppler absorption resonances induced by strong radiation
Место публикации : JETP Letters. - 1998. - Vol. 67, Is. 12. - P.1018-1023. - ISSN 0021-3640, DOI 10.1134/1.567785
Примечания : Cited References: 19
Предметные рубрики: INDUCED TRANSPARENCY
Аннотация: New possibilities are demonstrated for eliminating uncompensated Doppler broadening in different types of nonlinear optical processes by means of atomic coherence effects in strong electromagnetic fields are demonstrated. (C) 1998 American Institute of Physics.
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V.
Заглавие : Resonances of electromagnetic oscillations in a spherical metal nanoparticle
Место публикации : Microw. Opt. Technol. Lett.: Wiley-Blackwell, 2016. - Vol. 58, Is. 8. - P.1883-1886. - ISSN 0895-2477, DOI 10.1002/mop.29930. - ISSN 1098-2760(eISSN)
Примечания : Cited References:18
Предметные рубрики: OPTICAL-PROPERTIES
LIGHT
Ключевые слова (''Своб.индексиров.''): plasmonics--scattering--particles--resonators--resonant modes
Аннотация: Electrodynamic analysis of plasma oscillations in a spherical metal nanoparticle is performed. It is shown that typical reduction in the frequency and quality factor of the resonances with increasing nanoparticle radius fades if the mode number grows. Depending on the particle radius, the resonant enhancement of the electric field might considerably either increase or decrease with increasing mode number. (C) 2016 Wiley Periodicals, Inc.
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Berman G. P., Zaslavsky G. M., Kolovsky A. R.
Заглавие : Interaction between quantum non-linear resonances
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz. - 1981. - Vol. 81, Is. 2. - P.506-516. - ISSN 0044-4510
Примечания : Cited References: 9
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Berman G. P., Zaslavsky G. M., Kolovsky A. R.
Заглавие : On the spectrum of the system of interacting quantum non-linear resonances
Место публикации : Phys. Lett. A. - 1982. - Vol. 87, Is. 4. - P.152-156. - ISSN 0375-9601, DOI 10.1016/0375-9601(82)90099-8
Примечания : Cited References: 10
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Berman G. P., Kolovskii A. R.
Заглавие : Quantum chaos in interactions of multilevel quantum-systems with a coherent radiation-field
Место публикации : Uspekhi Fiz. Nauk. - 1992. - Vol. 162, Is. 4. - P.95-141. - ISSN 0042-1294
Примечания : Cited References: 36
Предметные 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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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Berman G. P., Kolovsky A. R.
Заглавие : Renormalization method for the quantum system of interacting resonances
Место публикации : Phys. Lett. A: ELSEVIER SCIENCE BV, 1987. - Vol. 125, Is. 4. - P188-192. - ISSN 0375-9601, DOI 10.1016/0375-9601(87)90095-8
Примечания : Cited References: 8
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Berman G. P., Kolovsky A. R.
Заглавие : Structure and stability of the quasi-energy spectrum of 2 interacting quantum non-linear resonances
Место публикации : Phys. Lett. A. - 1983. - Vol. 95, Is. 1. - P.15-18. - ISSN 0375-9601, DOI 10.1016/0375-9601(83)90768-5
Примечания : Cited References: 5
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