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Gaussian quantum Monte Carlo methods for fermions | | J. F. Corney
; P. D. Drummond
; | | Rating: | Visitors: 1/5 (1 visitor) | | Date: |
8 Apr 2004 | | Subject: | Quantum Physics; Soft Condensed Matter | quant-ph cond-mat.soft | | Abstract: | We introduce a new class of quantum Monte Carlo methods, based on a Gaussian quantum operator representation of fermionic states. The methods enable first-principles dynamical or equilibrium calculations in many-body Fermi systems, and, combined with the existing Gaussian representation for bosons, provide a unified method of simulating Bose-Fermi systems. As an application, we calculate finite-temperature properties of the two dimensional Hubbard model. | | Source: | arXiv, quant-ph/0404052 | | Services: | Forum | Review | PDF | Favorites | |
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