Phase structure of linear sigma model with neutrality constraint (II)

Tran Huu Phat, Nguyen Van Thu
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Authors

  • Tran Huu Phat
  • Nguyen Van Thu Department of Physics, Hanoi University of Education II

DOI:

https://doi.org/10.15625/0868-3166/22/2/1376

Abstract

The phase structure of the linear sigma model with constituent quarks and the electric neutrality is systematically studied in the mean field theory. It results that in the chiral limit, as function of $T$ and chemical potential \\(\mu\\), the pion condensate undergoes a first-order phase transition. In the physical world, the phase diagram of chiral condensate exhibits a first-order phase transition, which ends at a critical end point (CEP) for $\alpha < 0.3$, where $\alpha$ is the fraction of $\pi^+$  contribution to the condensate.

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Published

20-07-2012

How to Cite

[1]
T. H. Phat and N. V. Thu, “Phase structure of linear sigma model with neutrality constraint (II)”, Comm. Phys., vol. 22, no. 2, p. 103, Jul. 2012.

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Section

Papers
Published 20-07-2012

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