Inverse Faraday Effect for Superconducting Condensates
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2021-04-02
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en
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6
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Physical Review Letters, Volume 126, issue 13
Abstract
The Cooper pairs in superconducting condensates are shown to acquire a temperature-dependent dc magnetic moment under the effect of the circularly polarized electromagnetic radiation. The mechanisms of this inverse Faraday effect are investigated within the simplest version of the phenomenological dynamic theory for superfluids, namely, the time-dependent Ginzburg-Landau (GL) model. The light-induced magnetic moment is shown to be strongly affected by the nondissipative oscillatory contribution to the superconducting order parameter dynamics, which appears due to the nonzero imaginary part of the GL relaxation time. The relevance of the latter quantity to the Hall effect in the superconducting state allows us to establish the connection between the direct and inverse Faraday phenomena.Description
Funding Information: This work was supported by the Russian Science Foundation (Grant No. 18-72-10027) in part related to the calculation of magnetic moment arising due to the IFE and the Russian Foundation for Basic Research (Grant No. 18-02-00390). S. M. acknowledges the financial support of the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS (Grant No. 18-1-3-58-1) and Russian Presidential Scholarship SP-3938.2018.5. A. S. M. acknowledges support from the Bordeaux University IDEX program. The work of A. B. and B. L. was supported by the French ANR OPTOFLUXONICS, EU COST CA16218 Nanocohybri. Publisher Copyright: © 2021 American Physical Society. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.
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Mironov, S V, Mel'Nikov, A S, Tokman, I D, Vadimov, V, Lounis, B & Buzdin, A I 2021, ' Inverse Faraday Effect for Superconducting Condensates ', Physical Review Letters, vol. 126, no. 13, 137002 . https://doi.org/10.1103/PhysRevLett.126.137002