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5-9 May 2017
Asia/Shanghai timezone
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Pion string evolving in a thermal bath


  • Mr. Hong MAO

Primary authors


  • Mr. Fan LU (Department of Physics, Hangzhou Normal University, Hangzhou 310036, China)
  • Mr. Qichang CHEN (Department of Physics, Hangzhou Normal University, Hangzhou 310036, China)


By using the symmetry improved Cornwall-Jackiw-Tomboulis 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 created in LHC heavy ion collision experiment. Finally, we estimate the pion string density and its possible signal during the chiral phase transition.