Phase Diagram of the Abelian Higgs Model Using the Auxiliary Mass Method

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概要

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• We study a phase transition in the Abelian Higgs model at finite temperature using the auxiliary mass method. We vary the gauge coupling constant q and the scalar self-coupling constant λ. We find that a first-order phase transition disappears at a tricritical point. It can be fit by the form q^2 ∝ λ^ζ very well. The value of the parameter ζ depends on the range of λ. Our results can be applied to experiments on high-temperature superconductors and liquid crystals. In particular, the tricritical point is κ_c = 0.28 for superconductors, where q = 2e.

• 理論物理学刊行会の論文
• 2001-09-25

著者

• Ogure Kenzo

  Institute For Cosmicray Research University Of Tokyo

• Ogure Kenzo

  Department Of Physics Kobe University

関連論文

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• Non-perturbative evaluation of the effective potential of λΦ＾4 theory at finite temperature in the super-daisy approximation
• Phase Diagram of the Abelian Higgs Model Using the Auxiliary Mass Method

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