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Monte Carlo study of the Baxter-Wu model Nir Schreiber and Dr. Joan Adler
 

Summary: Monte Carlo study of the Baxter-Wu model
Nir Schreiber and Dr. Joan Adler
Monte Carlo study of the Baxter-Wu model p.1/40
Outline
Theory of phase transitions, Monte Carlo simulations and
finite size scaling
Landau-Wang algorithm
Results
Summary
Monte Carlo study of the Baxter-Wu model p.2/40
Phase transitions
A physical system is said to exhibit a phase transition when its
order parameter changes from zero in the disordered phase to a
nonzero value in the ordered phase. This change occurs at the
critical point. The order parameter can be a scalar function of ex-
ternal variables such as magnetic field and temperature (magnetic
transition) or a multicomponent quantity.
When the change in the order parameter is discontinuous the sys-
tem undergoes a first order transition and when it is continuous
the transition is second order.

  

Source: Adler, Joan - Physics Department, Technion, Israel Institute of Technology

 

Collections: Physics