Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces

Fuente: arXiv
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Hauptverfasser: Sano, Tomoya, Sato, Takumi, Sasaki, Akihiro, Ikegaya, Satoshi, Kobayashi, Shingo, Asano, Yasuhiro
Format: Preprint
Veröffentlicht: 2024
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author Sano, Tomoya
Sato, Takumi
Sasaki, Akihiro
Ikegaya, Satoshi
Kobayashi, Shingo
Asano, Yasuhiro
author_facet Sano, Tomoya
Sato, Takumi
Sasaki, Akihiro
Ikegaya, Satoshi
Kobayashi, Shingo
Asano, Yasuhiro
contents We study theoretically the thermoelectric effect in a superconducting state having the Bogoliubov-Fermi surfaces which stays in a thin superconducting layer between a conventional superconductor and an insulator. The thermoelectric coefficients calculated based on the linear response theory show the remarkable anisotropy in real space, which are explained well by the anisotropic shape of the Bogoliubov-Fermi surface in momentum space. Our results indicate a way to check the existence of the Bogoliubov-Fermi surfaces in a stable superconducting state because the anisotropy is controlled by the direction of an applied magnetic field.
format Preprint
id arxiv_https___arxiv_org_abs_2411_06673
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces
Sano, Tomoya
Sato, Takumi
Sasaki, Akihiro
Ikegaya, Satoshi
Kobayashi, Shingo
Asano, Yasuhiro
Superconductivity
We study theoretically the thermoelectric effect in a superconducting state having the Bogoliubov-Fermi surfaces which stays in a thin superconducting layer between a conventional superconductor and an insulator. The thermoelectric coefficients calculated based on the linear response theory show the remarkable anisotropy in real space, which are explained well by the anisotropic shape of the Bogoliubov-Fermi surface in momentum space. Our results indicate a way to check the existence of the Bogoliubov-Fermi surfaces in a stable superconducting state because the anisotropy is controlled by the direction of an applied magnetic field.
title Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces
topic Superconductivity
url https://arxiv.org/abs/2411.06673