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Paper detail

The sign problem and the Lefschetz thimble

Recently, we have proposed a novel approach (arxiv:1205.3996) to deal with the sign problem that hinders Monte Carlo simulations of many quantum field theories (QFTs). The approach consists in formulating the QFT on a Lefschetz thimble. In this paper we concentrate on the application to a scalar field theory with a sign problem. In particular, we review the formulation and the justification of the approach, and we also describe the Aurora Monte Carlo algorithm that we are currently testing.

preprint2012arXivOpen access
Marco CristoforettiFrancesco Di RenzoLuigi Scorzato
hep-lat
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Marco CristoforettiFrancesco Di RenzoLuigi Scorzato

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