Phase separation in the 2D Hubbard model: a challenging application of fixed-node QMC

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We discuss the main aspects of the fixed-node quantum Monte Carlo method for lattice fermions and its recent application to the problem of phase separation in the 2D Hubbard model, along with virtues, limitations and perspectives of this kind of approach.
23 pages, 10 figs, NATO ASI Quantum Monte Carlo Methods in Physics and Chemistry (C.J.Umrigar, M.P.Nightingale Eds) Cornell July 12-25, 1998

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Strongly Correlated Electrons, Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/28685

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9810173
 http://arxiv.org/abs/cond-mat/9810173

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arXiv