Deconfinement and hadron properties at extremes of temperature and density

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After introducing essential, qualitative concepts and results, the authors discuss the application of Dyson-Schwinger equations to QCD at finite T and {mu}. They summarize the calculation of the critical exponents of two-light-flavor QCD using the chiral and thermal susceptibilities; and an algebraic model that elucidates the origin of an anticorrelation between the {mu}- and T-dependence of a range of meson properties. That model also provides an algebraic understanding of why the finite-T behavior of bulk thermodynamic properties is mirrored in their {mu}-dependence, and why meson masses decrease with {mu} even though f{sub {pi}} and {minus}<{anti q}q> increase. The possibility of ... continued below

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13 p.

Creation Information

Blaschke, D. & Roberts, C.D. August 1, 1998.

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  • Blaschke, D. Univ. Rostock (Germany). Fachbereich Physik
  • Roberts, C.D. Argonne National Lab., IL (United States). Physics Div.

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Description

After introducing essential, qualitative concepts and results, the authors discuss the application of Dyson-Schwinger equations to QCD at finite T and {mu}. They summarize the calculation of the critical exponents of two-light-flavor QCD using the chiral and thermal susceptibilities; and an algebraic model that elucidates the origin of an anticorrelation between the {mu}- and T-dependence of a range of meson properties. That model also provides an algebraic understanding of why the finite-T behavior of bulk thermodynamic properties is mirrored in their {mu}-dependence, and why meson masses decrease with {mu} even though f{sub {pi}} and {minus}<{anti q}q> increase. The possibility of diquark condensation is canvassed. Its realization is uncertain because it is contingent upon an assumption abut the quark-quark scattering kernel that is demonstrably false in some applications; e.g., it predicts the existence of colored diquarks in the strong interaction spectrum, which are not observed.

Physical Description

13 p.

Notes

INIS; OSTI as DE98057948

Source

  • International workshop on QCD at finite baryon density, Bielefeld (Germany), 27-30 Apr 1998

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  • Other: DE98057948
  • Report No.: ANL/PHY/CP--96903
  • Report No.: CONF-980461--
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 666047
  • Archival Resource Key: ark:/67531/metadc711820

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  • August 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 4, 2015, 4:14 p.m.

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Blaschke, D. & Roberts, C.D. Deconfinement and hadron properties at extremes of temperature and density, article, August 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc711820/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.