| Constraining the QCD phase diagram by tricritical lines at imaginary chemical potential. | |
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MedLine Citation:
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PMID: 21230895 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We present unambiguous evidence, from lattice simulations of QCD with three degenerate quark species, for two tricritical points in the (T, m) phase diagram at fixed imaginary chemical potential μ/T = iπ/3 mod2π/3, one in the light and one in the heavy mass regime. These represent the boundaries of the chiral and deconfinement critical lines continued to imaginary μ, respectively. It is demonstrated that the shape of the deconfinement critical line for real chemical potentials is dictated by tricritical scaling and implies the weakening of the deconfinement transition with real chemical potential. The generalization to nondegenerate and light quark masses is discussed. |
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Authors:
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Philippe de Forcrand; Owe Philipsen |
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Publication Detail:
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Type: Journal Article Date: 2010-10-04 |
Journal Detail:
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Title: Physical review letters Volume: 105 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2011-01-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 152001 Citation Subset: - |
Affiliation:
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Institut für Theoretische Physik, ETH Zürich, CH-8093 Zürich, Switzerland. forcrand@phys.ethz.ch |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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