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arXiv · hep-lat/0205030

Thermodynamical Observables in a Finite Temperature Window from the Monte Carlo Hamiltonian

H. Kröger·X. Q. Luo·K. J. M. Moriarty
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Abstract

The Monte Carlo (MC) Hamiltonian is a new stochastic method to solve many-body problems. The MC Hamiltonian represents an effective Hamiltonian in a finite energy window. We construct it from the classical action via Monte Carlo with importance sampling. The MC Hamiltonian yields the energy spectrum and corresponding wave functions in a low energy window. This allows to compute thermodynamical observables in a low temperature window. We show the working of the MC Hamiltonian by an example from lattice field theory (Klein-Gordon model).

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H. Kröger, X. Q. Luo, K. J. M. Moriarty. 2002-05-31. Thermodynamical Observables in a Finite Temperature Window from the Monte Carlo Hamiltonian. https://arxiv.org/abs/hep-lat/0205030

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