G. Aarts, C. Allton, D. Boni, J. Glesaaen, S. Hands, B. Jager, A. Nikolaev, J. Skullerud, L.-K. Wu
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Mesonic correlators at non-zero baryon chemical potential
In order to study the fate of mesons in thermal QCD at finite baryon chemical potential, we consider light mesonic correlation functions using the Taylor expansion to ${\cal O}((\mu/T)^2)$, in both the hadronic and quark-gluon plasma phases. We use the FASTSUM anisotropic fixed-scale lattices with $N_f = 2+1$ flavours of Wilson fermion. We find that mesonic correlators are sensitive to finite-density corrections and that the second-order terms indicate the chiral crossover in the vector and axial-vector channels.
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