Spontaneous vortex formation in a quench process in superconducting films with small holes

Tomio Koyama; Masahiko Machida; Masaru Kato; Takekazu Ishida

doi:10.1016/j.physc.2006.04.011

Spontaneous vortex formation in a quench process in superconducting films with small holes

Tomio Koyama, Masahiko Machida, Masaru Kato, Takekazu Ishida

Institute for Materials Research (IMR)

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

When a superconductor in the normal state is rapidly quenched into the superconducting state, vortices are formed spontaneously if the Kibble-Zurek scenario works in the superconducting transition. We perform numerical simulations for the relaxation of quenched superconducting films with and without micro-holes. It is shown that the use of type-I superconducting films with micro-holes is promising for the detection of the spontaneous vortices induced by quenching.

Original language	English
Pages (from-to)	257-259
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	445-448
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physc.2006.04.011
Publication status	Published - 2006 Oct 1

Keywords

Kibble-Zurek scenario
Spontaneous vortex
TDGL theory

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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AU - Koyama, Tomio

AU - Machida, Masahiko

AU - Kato, Masaru

AU - Ishida, Takekazu

PY - 2006/10/1

Y1 - 2006/10/1

N2 - When a superconductor in the normal state is rapidly quenched into the superconducting state, vortices are formed spontaneously if the Kibble-Zurek scenario works in the superconducting transition. We perform numerical simulations for the relaxation of quenched superconducting films with and without micro-holes. It is shown that the use of type-I superconducting films with micro-holes is promising for the detection of the spontaneous vortices induced by quenching.

AB - When a superconductor in the normal state is rapidly quenched into the superconducting state, vortices are formed spontaneously if the Kibble-Zurek scenario works in the superconducting transition. We perform numerical simulations for the relaxation of quenched superconducting films with and without micro-holes. It is shown that the use of type-I superconducting films with micro-holes is promising for the detection of the spontaneous vortices induced by quenching.

KW - Kibble-Zurek scenario

KW - Spontaneous vortex

KW - TDGL theory

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ER -

Spontaneous vortex formation in a quench process in superconducting films with small holes

Abstract

Keywords

ASJC Scopus subject areas

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