Twisted mass QCD at finite temperature

Details Twisted mass QCD at finite temperature Twisted mass QCD at finite temperature

2007-10-02

arxiv.org/abs/0710.0569v1

PoSLAT2007:238,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 8 figures, poster presented at the XXV International Symposium on Lattice Field Theory, July 30 - August 4, 2007, Reg

Scientific paper

We discuss the use of Wilson fermions with twisted mass for simulations of QCD thermodynamics. As a prerequisite for a future analysis of the finite-temperature transition making use of automatic O(a) improvement, we investigate the phase structure in the space spanned by the hopping parameter kappa, the coupling beta, and the twisted mass parameter mu. We present results for N_f=2 degenerate quarks on a 16^3x8 lattice, for which we investigate the possibility of an Aoki phase existing at strong coupling and vanishing mu, as well as of a thermal phase transition at moderate gauge couplings and non-vanishing mu.

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