Simulation of Wilson fermion at finite isospin density

A.Nakamura; T.Takaishi

Simulation of Wilson fermion at finite isospin density

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arxiv hep-lat/0310052 v1 pith:QFFMMPQF submitted 2003-10-22 hep-lat

A.Nakamura , T.Takaishi This is my paper · ORCID

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keywords chemicalisospinwilsonactionactionsdensityfinitephase

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abstract

For QCD with Wilson fermions at isospin chemical potential we study the finite phase transition on an $8^3\times4$ lattice at $\kappa=0.15$. We use two gauge actions: Wilson action and DBW2 action. Both actions give the same results. The phase diagram is qualitatively similar to the one obtained for QCD at small baryon chemical potential. We also calculate the number density for various isospin chemical potentials.

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Pion condensation at non-zero isospin chemical potential with Wilson fermions
hep-lat 2025-02 conditional novelty 5.0 of 10

Using Wilson fermions on the lattice, the onset of pion condensation is observed at an isospin chemical potential slightly below m_pi/2, consistent with earlier staggered-fermion results.

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