Fields, Particles and Universality

by G.Delfino (3 credits)

4-state Potts model

Main topics

  • Scaling, renormalization and space of theories
  • Perturbative renormalization group
  • Integrable quantum field theories in two dimensions
  • Particles and operators
  • Exact and factorizable S-matrices
  • Form Factors and off-critical correlation functions
  • Exact description of universality classes (Ising, Potts, Ashkin-Teller, percolation, self-avoiding walks, …)
  • Phase separation, interfaces and wetting transitions

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