Phase Transitions in Condensed Matter and Relativistic QFT

@article{Rivers1998PhaseTI,
  title={Phase Transitions in Condensed Matter and Relativistic QFT},
  author={Ray J. Rivers and E.Kavoussanaki and Geetha Karra},
  journal={arXiv: Condensed Matter},
  year={1998}
}
The two environments in which thermal field theory isrelevant are the early universe and heavy-ion collisions,in both of which there are changes of phase. Not surpris-ingly, one of the themes of this series of Workshops onThermal Field Theory (TFT) has been phase transitions.Consider a situation in which the symmetry group ofthe theory is broken, on cooling through the critical tem-perature T 
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