Application of the perturbation series expansion quantum Monte Carlo method to 
multiorbital systems having Hund's coupling

Sakai, S.; Arita, R.; Aoki, H.

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Application of the perturbation series expansion quantum Monte Carlo method to multiorbital systems having Hund's coupling

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Sakai, S.
Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society;

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Arita, R.
Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Sakai, S., Arita, R., & Aoki, H. (2006). Application of the perturbation series expansion quantum Monte Carlo method to multiorbital systems having Hund's coupling. Physica B, 378-380, 288-289.

Cite as: https://hdl.handle.net/21.11116/0000-000E-FFB5-7

Abstract

We propose a new quantum Monte Carlo method especially intended to
couple with the dynamical mean-field theory. The algorithm is not only
much more efficient than the conventional Hirsch-Fye algorithm, but is
applicable to multiorbital systems having an SU(2)-symmetric Hund's
coupling as well. (c) 2006 Elsevier B.V. All rights reserved.