Phase transition in fluctuating branched geometry

  title={Phase transition in fluctuating branched geometry},
  author={Piotr Bialas and Zdzislaw Burda},
We study grand–canonical and canonical properties of the model of branched polymers proposed in [1]. We show that the model has a fourth order phase transition and calculate critical exponents. At the transition the exponent γ of the grand-canonical ensemble, analogous to the string susceptibility exponent of surface models, γ ∼ 0.3237525... is the first known example of positive γ which is not of the form 1/n, n = 2, 3, . . .. We show that a slight modification of the model produces a… CONTINUE READING

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