Nucleation of superconductivity in a type-I supercooled system

M. Ghinovker; I. Shapiro; B. Ya Shapiro

doi:10.1016/s0375-9601(99)00494-6

Nucleation of superconductivity in a type-I supercooled system

M. Ghinovker
, I. Shapiro
, B. Ya Shapiro

Department of Physics - at Bar-Ilan University

Bar-Ilan University

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

3 Scopus citations

Abstract

The dynamics of the supercooled normal domain in a type-I superconductor is considered. The linear theory of dynamic instability is developed, showing that in weak magnetic fields this state is absolutely unstable while in the field range H_c2 < H < H_cm it is metastable and a finite size critical nucleus is necessary for a phase transition to occur. The development of the instability in zero field is studied numerically. It has been found that the metastable mixed state consisting of Abrikosov vortices and antivortices is established as a result of the explosive nucleation of superconductivity.

Original language	English
Pages (from-to)	112-119
Number of pages	8
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	260
Issue number	1-2
DOIs	https://doi.org/10.1016/s0375-9601(99)00494-6
State	Published - 6 Sep 1999

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abstract = "The dynamics of the supercooled normal domain in a type-I superconductor is considered. The linear theory of dynamic instability is developed, showing that in weak magnetic fields this state is absolutely unstable while in the field range Hc2 < H < Hcm it is metastable and a finite size critical nucleus is necessary for a phase transition to occur. The development of the instability in zero field is studied numerically. It has been found that the metastable mixed state consisting of Abrikosov vortices and antivortices is established as a result of the explosive nucleation of superconductivity.",

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AB - The dynamics of the supercooled normal domain in a type-I superconductor is considered. The linear theory of dynamic instability is developed, showing that in weak magnetic fields this state is absolutely unstable while in the field range Hc2 < H < Hcm it is metastable and a finite size critical nucleus is necessary for a phase transition to occur. The development of the instability in zero field is studied numerically. It has been found that the metastable mixed state consisting of Abrikosov vortices and antivortices is established as a result of the explosive nucleation of superconductivity.

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Nucleation of superconductivity in a type-I supercooled system

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