Generalized plasmons in layered systems

Gabriele, F. and Castellani, C. and Benfatto, L. (2022) Generalized plasmons in layered systems. Il nuovo cimento C, 45 (6). pp. 1-4. ISSN 1826-9885

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We study the spectrum of electromagnetic modes in layered superconductors. We include the mixing between longitudinal and transverse degrees of freedom, which has been partly overlooked in the previous literature and is crucial to describe the correct behaviour at long wavelengths. We derive a generalized plasma mode, which provides a link between the standard description of the layered plasmon and the one of the Josephson plasmon: we show that these are, respectively, the large-momentum and the low-momentum limits of our model.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 06 Sep 2022 13:13
Last Modified: 06 Sep 2022 13:13

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