Two Color QCD beyond the BEC regime

We present results of simulations of Two Color QCD using two flavors of Wilson quark in the fundamental representation, at non-zero quark chemical potential mu, on an 8^3x16 lattice. Results for the quark number density, quark and gluon energy densities, and superfluid condensate are qualitatively d...

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Published in:arXiv.org 2005-08
Main Authors: Hands, Simon, Kim, Seyong, Jon-Ivar Skullerud
Format: Article
Language:English
Subjects:
Chemical potential
Color
Condensates
Density
Fermi surfaces
Flavor (particle physics)
Fluids
Organic chemistry
Quantum chromodynamics
Quarks
Superfluidity
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Kim, Seyong
Jon-Ivar Skullerud
description We present results of simulations of Two Color QCD using two flavors of Wilson quark in the fundamental representation, at non-zero quark chemical potential mu, on an 8^3x16 lattice. Results for the quark number density, quark and gluon energy densities, and superfluid condensate are qualitatively distinct from the behaviour expected on the assumption that the dominant degrees of freedom are tightly bound scalar diquarks which Bose condense; rather the scaling with mu is more suggestive of a Fermi surface disrupted by a Cooper pair condensate. We also present evidence both for screening of the static potential, and color deconfinement, arising solely as a result of a non-zero quark density.
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subjects Chemical potential
Color
Condensates
Density
Fermi surfaces
Flavor (particle physics)
Fluids
Organic chemistry
Quantum chromodynamics
Quarks
Superfluidity
title Two Color QCD beyond the BEC regime
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