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Metropolis algorithm for Kosterlitz-Thouless model

  1. Feb 21, 2006 #1
    Hello everybody...
    I have questions about how to implement the metropolis algorithm to the Kosterlitz-Thouless model. Many questions!!:cry:
    When I create a LxL lattice I give an angle for every spin vector in every position (i,j) of the lattice or the projection of the vector? The Hamiltonian of the model is Η=-JΣi,jCos(theta_i-theta_j)
    And then how energy is defined?? And the weight factor of the metropolis alogrithm?? Pleeeeease help... I need this by tommorow!!
  2. jcsd
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