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The gauge invariant quark Green's function in two-dimensional QCD

Abstract : The gauge invariant quark Green's function, defined with a path-ordered phase factor along a straight line, is studied in two-dimensional QCD in the large-N_c limit by means of an exact integrodifferential equation. It is found to be infrared finite with singularities represented by an infinite number of threshold type branch points with a power of -3/2, starting at positive mass squared values. The Green's function is analytically determined.
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http://hal.in2p3.fr/in2p3-00533964
Contributor : Sophie Heurteau <>
Submitted on : Monday, November 8, 2010 - 3:30:39 PM
Last modification on : Wednesday, September 16, 2020 - 4:08:13 PM

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  • HAL Id : in2p3-00533964, version 1
  • ARXIV : 1010.0087

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H. Sazdjian. The gauge invariant quark Green's function in two-dimensional QCD. International workshop on quantum chromodynamics : theory and experiment beppe nardulli memorial workshop, Jun 2010, Martina Franca, Italy. pp.149-155. ⟨in2p3-00533964⟩

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