Equation of state for systems with Goldstone bosons

@inproceedings{Campostrini2002EquationOS,
  title={Equation of state for systems with Goldstone bosons},
  author={Massimo Campostrini and Martin Hasenbusch and Andrea Pelissetto and Paolo Rossi and Ettore Vicari},
  year={2002}
}
We discuss some recent determinations of the equation of state for the XY and the Heisenberg universality class.