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Crompton, Simon

doi:10.1007/978-1-349-13869-2_95

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“…Some experiments with the Glasgow reweighting have already been performed 15 , while test of the analytic continuation from imaginary chemical potential 16 are in progress 17 .…”

Section: Discussionmentioning

confidence: 99%

Vector Spectrum and Color Screening in Two Color QCD at Nonzero T and Μ

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D’Elia

Lombardo

2002

Quark-Gluon Plasma and Heavy Ion Collisions

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“…Some experiments with the Glasgow reweighting have already been performed 15 , while test of the analytic continuation from imaginary chemical potential 16 are in progress 17 .…”

Section: Discussionmentioning

confidence: 99%

Vector Spectrum and Color Screening in Two Color QCD at Nonzero T and Μ

Allés

D’Elia

Lombardo

2002

Quark-Gluon Plasma and Heavy Ion Collisions

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“…On the lattice, simulations corresponding to N f = 4 continuum flavors indicate that as T increases at a fixed moderate ratio x = 2µ/m π , the system undergoes a second order phase transition where ψψ vanishes [12]. As this ratio increases, this line of second order phase transitions passes through a tricritical point and the phase transition becomes first order [12,23]. Recently the one loop calculation within chiral perturbation theory was extended to nonzero temperature [20,24], and the temperature dependence of the critical chemical potential for µ ∼ m π /2 was calculated.…”

Section: Introductionmentioning

confidence: 99%

Melting the diquark condensate in two-color QCD: A renormalization group analysis

2003

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We use a Landau theory and the ǫ-expansion to study the superfluid phase transition of two-color QCD at nonzero temperature, T , and baryonic chemical potential, µ. At low T , and for N f flavors of massless quarks, the global SU(N f )×SU(N f )×U(1) symmetry is spontaneously broken by a diquark condensate down to Sp(N f )×Sp(N f ) for any µ > 0. As the temperature increases, the diquark condensate melts, and at sufficiently large T the symmetry is restored. Using renormalization group arguments, we find that in the presence of the chiral anomaly term there can be a second order phase transition when N f = 2 or N f ≥ 6, while the transition is first order for N f = 4. We discuss the relevance of these results for the emergence of a tricritical point recently observed in lattice simulations.

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Cited by 2 publications

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Vector Spectrum and Color Screening in Two Color QCD at Nonzero T and Μ

Vector Spectrum and Color Screening in Two Color QCD at Nonzero T and Μ

Melting the diquark condensate in two-color QCD: A renormalization group analysis

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