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Ivan Savenko
복잡계 이론물리 연구단
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Shedding light on topological superconductors

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Title
Shedding light on topological superconductors
Author(s)
K. H. A. Villegas; V. M. Kovalev; F. V. Kusmartsev; I. G. Savenko
Publication Date
2018-08
Journal
PHYSICAL REVIEW B, v.98, no.6, pp.064502 -
Publisher
AMER PHYSICAL SOC
Abstract
We propose an effective optical approach to monitor superconductors in a two-layer superconductor-normal metal structure. Effectively, such a hybrid system represents a resonator, where electrons are strongly coupled with light. We show that the interaction of light with the superconductor is strongly boosted in the presence of the neighboring metal and, as a result, the electromagnetic power absorption of the system is dramatically enhanced. It manifests itself in a giant Fano-type resonance which can uniquely characterize the elementary excitations of the system. Our approach is especially promising for topological superconductors, where Majorana fermions could be revealed and controlled by light.
URI
https://pr.ibs.re.kr/handle/8788114/4935
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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