Field Theory of Superconductor and Charged Vortex

Fuente: arXiv
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Main Authors: Kim, Yoonbai, Jeon, SeungJun, Song, Hanwool
Format: Preprint
Published: 2025
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_version_ 1866915273374695424
author Kim, Yoonbai
Jeon, SeungJun
Song, Hanwool
author_facet Kim, Yoonbai
Jeon, SeungJun
Song, Hanwool
contents A Lagrangian of a Schrödinger type complex scalar field of Cooper pair, a U(1) gauge field of electromagnetism, and a neutral scalar field of acoustic phonon with constant background charge density is proposed for an effective field theory of conventional superconductivity. We find static charged vortex solutions of finite energy and, for the critical couplings of the quartic self-interaction coupling of complex scalar field and the cubic Yukawa type coupling between neutral and complex scalar field, these charged vortices saturate the BPS (Bogomolny-Prasad-Sommerfield) bound, that guarantees the nonperturbative classification of type I and II superconductors.
format Preprint
id arxiv_https___arxiv_org_abs_2505_02377
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Field Theory of Superconductor and Charged Vortex
Kim, Yoonbai
Jeon, SeungJun
Song, Hanwool
Superconductivity
Mesoscale and Nanoscale Physics
Strongly Correlated Electrons
High Energy Physics - Theory
A Lagrangian of a Schrödinger type complex scalar field of Cooper pair, a U(1) gauge field of electromagnetism, and a neutral scalar field of acoustic phonon with constant background charge density is proposed for an effective field theory of conventional superconductivity. We find static charged vortex solutions of finite energy and, for the critical couplings of the quartic self-interaction coupling of complex scalar field and the cubic Yukawa type coupling between neutral and complex scalar field, these charged vortices saturate the BPS (Bogomolny-Prasad-Sommerfield) bound, that guarantees the nonperturbative classification of type I and II superconductors.
title Field Theory of Superconductor and Charged Vortex
topic Superconductivity
Mesoscale and Nanoscale Physics
Strongly Correlated Electrons
High Energy Physics - Theory
url https://arxiv.org/abs/2505.02377