Chiral and $U(1)_A$ restoration: Ward Identities and effective theories

Nicola, Á. Gómez; Elvira, J. Ruiz de; Vioque-Rodríguez, Andrea; Ferreres-Solé, Silvia

doi:10.48550/arxiv.1812.04516

2018

DOI: 10.48550/arxiv.1812.04516

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Chiral and $U(1)_A$ restoration: Ward Identities and effective theories

Á. Gómez Nicola¹,

J. Ruiz de Elvira²,

Andrea Vioque-Rodríguez³

et al.

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“…It would be most valuable to compare both approaches for a set of identical parameter values. For future investigations it might also be useful to check further relations between chiral and U(1) A restoration, provided by certain Ward identities, which give information on the scaling with temperature as a criterion for exact symmetry restoration [25].…”

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Constraining the QCD phase diagram at finite temperature and density

Philipsen¹

2019

Preprint

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Neither the chiral limit nor finite baryon density can be simulated directly in lattice QCD, which severely limits our understanding of the QCD phase diagram. In this review I collect results for the phase structure in an extended parameter space of QCD, with varying numbers of flavours, quark masses, colours, lattice spacings, imaginary and isospin chemical potentials. Such studies help in understanding the underlying symmetries and degrees of freedom, and are beginning to provide a consistent picture constraining the possibilities for the physical phase diagram.

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confidence: 99%

Constraining the QCD phase diagram at finite temperature and density

Philipsen¹

2019

Preprint

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Chiral and $U(1)_A$ restoration: Ward Identities and effective theories

Cited by 1 publication

References 0 publications

Constraining the QCD phase diagram at finite temperature and density

Constraining the QCD phase diagram at finite temperature and density

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