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Thermodynamical Observables in a Finite Temperature Window from the Monte Carlo Hamiltonian | | H. Kröger
; X.Q. Luo
; K.J.M. Moriarty
; | | Date: |
31 May 2002 | | Journal: | Math.Comput.Simul. 62 (2003) 377-383 | | Subject: | hep-lat | | 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). | | Source: | arXiv, hep-lat/0205030 | | Services: | Forum | Review | PDF | Favorites | |
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