Phase transition in anyon superconductivity at finite temperature

The magnetic response of the charged anyon fluid at temperatures higher than the fermion energy gap ( T ⪢ ω c ) is investigated in the self-consistent field approximation. In this temperature region a new phase, characterized by an inhomogeneous magnetic penetration, is found. The inhomogeneity is l...

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Bibliographic Details
Published in:Nuclear physics. B 1999-03, Vol.542 (3), p.621-646
Main Authors: Ferrer, E.J., de la Incera, V.
Format: Article
Language:English
Subjects:
Anyon superconductivity at finite temperature
Anyons
Electromagnetic field, magnetic mass and rest energy in charged anyon fluid
Field theory at finite temperature
Field theory in lower dimensions
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Summary:The magnetic response of the charged anyon fluid at temperatures higher than the fermion energy gap ( T ⪢ ω c ) is investigated in the self-consistent field approximation. In this temperature region a new phase, characterized by an inhomogeneous magnetic penetration, is found. The inhomogeneity is linked to the existence of an imaginary magnetic mass which increases with the temperature. It is explicitly proved that the electromagnetic field magnetic masses and rest-energies are different in the ( T ⪢ ω c )-phase.
ISSN:0550-3213
1873-1562
DOI:10.1016/S0550-3213(98)00835-9