Pion String evolving in a thermal bath

Abstract

By using the symmetry improved CJT effective formalism, we study a pion string of the $O(4)$ linear sigma model at finite temperature in chiral limit. In terms of the Kibble-Zurek mechanism we reconsider the production and evolution of the pion string in a thermal bath. Finally, we estimate the pion string density and its possible signal during the chiral phase transition.

13 pages, 3 figures,Accepted for publication in Physical Review D. arXiv admin note: text overlap with arXiv:1310.1600 by other authors

References in corpus (6)

• The QCD phase diagram at nonzero quark density
• The QCD phase diagram from analytic continuation
• The linear sigma model at a finite isospin chemical potential
• Non-Abelian Global Vortices
• Non-Abelian Global Strings at Chiral Phase Transition
• Charged-to-neutral correlation at forward rapidity in Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV

Cited by in corpus (3)

• Soft symmetry improvement of two particle irreducible effective actions
• Linear Response Theory for Symmetry Improved Two Particle Irreducible Effective Actions
• Stability of the pion string in a thermal and dense medium