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A note on the phase transition in a topologically massive Ginzburg-Landau theory

Abstract

We consider the phase transition in a model which consists of a Ginzburg-Landau free energy for superconductors including a Chern-Simons term. The mean-field theory of Halperin, Lubensky and Ma (Phys. Rev. Lett., 32 (1974) 292) is applied for this model. It is found that the topological mass, θ, drives the system into different regimes of phase transition. For instance, there is a θc\theta_{\rm c} such that for θ<θc\theta<\theta_{\rm c} a fluctuation-induced first-order phase transition occurs. On the other hand, for θ>θc\theta>\theta_{\rm c} only the second-order phase transition exists. The 1-loop renormalization group analysis gives further insight into this picture. The fixed-point structure exhibits tricritical and second-order fixed points

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EDP Sciences OAI-PMH repository (1.2.0)

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Last time updated on 10/04/2020

This paper was published in EDP Sciences OAI-PMH repository (1.2.0).

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