Critical dynamics of superconductors in the charged regime

Courtney Lannert; Smitha Vishveshwara; Matthew P.A. Fisher

doi:10.1103/PhysRevLett.92.097004

Critical dynamics of superconductors in the charged regime

Courtney Lannert, Smitha Vishveshwara, Matthew P.A. Fisher

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

Abstract

The charged regime of the superconductor-metal transition was analyzed by applying a finite temperature critical dynamics. A transverse gage field coupling was applied to the superconducting order parameter. A new dynamic universality class characeterized by a finite fixed point ratio between the transport coefficients associated with the order parameter and gage fields was found by assuming relaxational dynamics for both the order parameter and gage fields within a renormalization group scheme. It was found that various features of the dynamic universality class of the charged superconductor appeared in measurable quantities.

Original language	English (US)
Article number	097004
Pages (from-to)	097004-1-097004-4
Journal	Physical review letters
Volume	92
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.92.097004
State	Published - Mar 5 2004

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General Physics and Astronomy

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10.1103/PhysRevLett.92.097004

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title = "Critical dynamics of superconductors in the charged regime",

abstract = "The charged regime of the superconductor-metal transition was analyzed by applying a finite temperature critical dynamics. A transverse gage field coupling was applied to the superconducting order parameter. A new dynamic universality class characeterized by a finite fixed point ratio between the transport coefficients associated with the order parameter and gage fields was found by assuming relaxational dynamics for both the order parameter and gage fields within a renormalization group scheme. It was found that various features of the dynamic universality class of the charged superconductor appeared in measurable quantities.",

author = "Courtney Lannert and Smitha Vishveshwara and Fisher, {Matthew P.A.}",

note = "Funding Information: Many thanks to L. Balents and K. Wiese for valuable discussions, to A. Ludwig, D. Scalapino, E. Fradkin, N. Goldenfeld, and M. Randeria for insightful comments, and to I. Herbut and Z. Te{\v s}anovi{\'c} for clarifying remarks on the Josephson relation in the charged statics. This work was supported by the Grants No. NSF DMR-0210790, No. NSF PHY-9907949, No. NSF EIA01-21568, No. DOE DEFG02-96ER45434, and No. NSF PHY00-98353.",

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AB - The charged regime of the superconductor-metal transition was analyzed by applying a finite temperature critical dynamics. A transverse gage field coupling was applied to the superconducting order parameter. A new dynamic universality class characeterized by a finite fixed point ratio between the transport coefficients associated with the order parameter and gage fields was found by assuming relaxational dynamics for both the order parameter and gage fields within a renormalization group scheme. It was found that various features of the dynamic universality class of the charged superconductor appeared in measurable quantities.

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Critical dynamics of superconductors in the charged regime

Abstract

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