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Monte Carlo simulations for two-dimensional quantum systems

Morgenstern, Ingo ; Würtz, D.
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Date of publication of this fulltext: 16 Aug 2010 12:23


Abstract

The Trotter-Suzuki transformation has been used to obtain the classical representation ford-dimensional lattice systems with boson and fermion degrees of freedom. A Monte Carlo algorithm for the equivalent (d+1)-dimensional classical system is presented. Numerical results are shown for the Heisenberg-spin-glass, the XY model and the spinless fermion lattice gas in two dimensions.


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