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Savenko, Ivan
복잡계 이론물리 연구단
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Interplay between collective modes in hybrid electron-gas-superconductor structures

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Title
Interplay between collective modes in hybrid electron-gas-superconductor structures
Author(s)
M. V. Boev; Ivan Savenko; V. M. Kovalev
Subject
ORDER-PARAMETER, ; OSCILLATIONS
Publication Date
2020-04
Journal
PHYSICAL REVIEW B, v.101, no.16, pp.165430
Publisher
AMER PHYSICAL SOC
Abstract
© 2020 American Physical Society. We study hybridization of collective plasmon and Carlson-Goldman-Artemenko-Volkov modes in a hybrid system, consisting of two-dimensional layers of electron gas in the normal state and superconductor, coupled by long-range Coulomb forces. The interaction between these collective modes is not possible in a regular single-layer two-dimensional system since they exist in nonoverlapping domains of dimensionless parameter omega tau, where omega is the external electromagnetic field frequency and tau is electron-scattering time. Thus, in a single-layer structure, these modes are mutually exclusive. However, the coupling may become possible in a hybrid system consisting of two separated in space materials with different properties, in particular, the electron-scattering time. We investigate the electromagnetic power absorption by the hybrid system and reveal the conditions necessary for the hybridization of collective modes
URI
https://pr.ibs.re.kr/handle/8788114/8662
DOI
10.1103/PhysRevB.101.165430
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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