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Paper   IPM / Physic / 7177
School of Physics
  Title:   Generalized 2D Yang-Mills Theories: Large-N Limit and Phase Structure
  Author(s):  M. Alimohammadi
  Status:   In Proceedings
  Proceeding: Turk. J. Phys. 24(2000), 193-203, TUBITAK, Regional Conference on Mathematical Physics IX, Feza Gursey Institute, Istanbul, August 1999.
  No.:  0
  Year:  2000
  Supported by:  IPM
After review the 2D Yang-Mills theories (YM2) and its large-N behaviour, the Generalized 2D Yang-Mills theories (gYM2) and their partition functions on a general two-dimensional Riemann surface are discussed. The large-N behaviour of these models is studied in weak regime, and in strong regime, we restrict ourselves to ϕ4 gYM2. We show that this model has a third order phase transition, similar to ordinary YM2 theory.

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