Superconducting phase transition in a two-dimensional Chern-Simons theory

J. Kapusta; M. E. Carrington; B. Bayman; D. Seibert; C. S. Song

doi:10.1103/PhysRevB.44.7519

Superconducting phase transition in a two-dimensional Chern-Simons theory

J. Kapusta, M. E. Carrington, B. Bayman, D. Seibert, C. S. Song

Physics and Astronomy (Twin Cities)

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Abstract

We consider a two-dimensional Chern-Simons gauge theory where the gauge field couples to an internal degree of freedom of the fermion. For a fixed gauge coupling g there exists a finite window of Chern-Simons magnetic moment coupling g for which a nonzero Chern-Simons magnetic field is generated at T=0. The system then is superconducting without Cooper pairing. There is a second-order thermodynamic phase transition at Tc>0 where the Chern-Simons magnetic field goes to zero and superconductivity terminates.

Original language	English (US)
Pages (from-to)	7519-7525
Number of pages	7
Journal	Physical Review B
Volume	44
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.44.7519
State	Published - 1991

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AU - Song, C. S.

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AB - We consider a two-dimensional Chern-Simons gauge theory where the gauge field couples to an internal degree of freedom of the fermion. For a fixed gauge coupling g there exists a finite window of Chern-Simons magnetic moment coupling g for which a nonzero Chern-Simons magnetic field is generated at T=0. The system then is superconducting without Cooper pairing. There is a second-order thermodynamic phase transition at Tc>0 where the Chern-Simons magnetic field goes to zero and superconductivity terminates.

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Superconducting phase transition in a two-dimensional Chern-Simons theory

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