The density of states approach to the sign problem
Date
2018-01-01Subject
hep-lat hep-lat cond-mat.str-el physics.comp-ph
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Show full item recordAbstract
Approaches to the sign problem based on the density of states have been recently revived by the introduction of the LLR algorithm, which allows us to compute the density of states itself with exponential error reduction. In this work, after a review of the generalities of the method, we show recent results for the Bose gas in four dimensions, focussing on the identification of possible systematic errors and on methods of controlling the bias they can introduce in the calculation.
Description
1 + 11 pages, 6 figures. Invited talk presented by B. Lucini at the
conference "XIIIth Quark Confinement and the Hadron Spectrum", Maynooth
University, Ireland, 1-6 August 2018
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Journal
Proceedings of Science
Volume
336
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