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QCD at nonzero isospin asymmetry

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arxiv 1811.06004 v1 pith:UVGR2BGS submitted 2018-11-14 hep-lat hep-phnucl-th

Bastian B. Brandt , Gergely Endrodi , Sebastian Schmalzbauer This is my paper · ORCID
classification hep-lathep-phnucl-th
keywords isospinphaseasymmetrycondensationnonzeropionresultsboundary
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abstract

We study the phase diagram and the thermodynamic properties of QCD at nonzero isospin asymmetry at physical quark masses with staggered quarks. In particular, continuum results for the phase boundary between the normal and the pion condensation phases and the chiral/deconfinement transition are presented. Our findings indicate that the pion condensation phase is restricted to $T\lesssim170$~MeV for isospin chemical potentials up to 325~MeV. We also use the data to test the range of validity of the Taylor expansion method and show first results for the equation of state.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Equation of state of isospin asymmetric QCD with small baryon chemical potentials

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A Taylor expansion around nonzero isospin chemical potentials yields the first lattice QCD pressure estimates along the electric charge chemical potential axis.

  2. Minimal superfluid vortices in chiral perturbation theory

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Leading order chiral perturbation theory yields the minimal energy condition for vortex nucleation in the pion condensed phase, with vortices carrying quantized angular momentum and self-confining pions.

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