Imaginary Time Correlations and the phaseless Auxiliary Field Quantum Monte Carlo

D.E. Galli; E. Vitali; M. Motta; S. Moroni

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Imaginary Time Correlations and the phaseless Auxiliary Field Quantum Monte Carlo

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arxiv 1311.1071 v1 pith:R2LPMS2I submitted 2013-11-05 cond-mat.str-el

M. Motta , D.E. Galli , S. Moroni , E. Vitali This is my paper

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keywords auxiliarycarlofieldimaginarymethodmontephaselessquantum

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The phaseless Auxiliary Field Quantum Monte Carlo method provides a well established approximation scheme for accurate calculations of ground state energies of many-fermions systems. Here we apply the method to the calculation of imaginary time correlation functions. We give a detailed description of the technique and we test the quality of the results for static and dynamic properties against exact values for small systems.

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