Positivity and Fermionic Dense Matter

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dc.creatorHong, Deog Ki
dc.creatorHsu, Stephen D. H.
dc.date2003-09-16
dc.date.accessioned2026-07-07T03:38:59Z
dc.date.available2026-07-07T03:38:59Z
dc.descriptionEuclidean dense matter generically suffers from the fermion sign problem. However, we argue that the sign problem is absent if one considers only low-energy degrees of freedom. Specifically, the low energy effective theory of dense QCD has positive Euclidean path integral measure, which allows one to establish rigorous inequalities showing that the color-flavor locked (CFL) phase is the true vacuum of three flavor, massless QCD. We then describe a method for simulating dense QCD on the lattice. We also discuss applications to electronic systems in condensed matter, such as generalized Hubbard models.
dc.descriptionLattice03 (nonzero), 3pages, 1 figure, Proceedings for Lattice 2003, July 2003, Tsukuba, Japan
dc.identifierhttps://arxiv.org/abs/hep-lat/0309103
dc.identifierhttp://arxiv.org/abs/hep-lat/0309103
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/38757
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titlePositivity and Fermionic Dense Matter
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