Population annealing with weighted averages: a Monte Carlo method for rough free-energy landscapes.

  title={Population annealing with weighted averages: a Monte Carlo method for rough free-energy landscapes.},
  author={Jonathan Machta},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={82 2 Pt 2},
  • Jonathan Machta
  • Published 2010 in
    Physical review. E, Statistical, nonlinear, and…
The population annealing algorithm introduced by Hukushima and Iba is described. Population annealing combines simulated annealing and Boltzmann weighted differential reproduction within a population of replicas to sample equilibrium states. Population annealing gives direct access to the free energy. It is shown that unbiased measurements of observables can be obtained by weighted averages over many runs with weight factors related to the free-energy estimate from the run. Population annealing… CONTINUE READING
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