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High Energy Physics - Lattice

arXiv:hep-lat/0408003 (hep-lat)
[Submitted on 4 Aug 2004]

Title:Simulating lattice QCD at finite temperature and zero quark mass

Authors:J.B.Kogut, D.K.Sinclair
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Abstract: We simulate lattice QCD with an irrelevant chiral 4-fermion interaction which allows us to simulate at zero quark mass. This enables us to study the finite-temperature chiral-symmetry-restoring phase transition for 2 massless quark flavours, which is believed to be second order. In particular, it enables us to estimate the critical exponents which characterize the universality class of this transition. Our earlier simulations on $N_t=4$ and $N_t=6$ lattices revealed that finite lattice-spacing artifacts on such coarse lattices affect the nature of the transition. We are now simulating on $N_t=8$ lattices ($12^3 \times 8$, $16^3 \times 8$ and $24^3 \times 8$ lattices) where we expect to expose the continuum behaviour of this transition.
Comments: 13 pages, LaTeX, 5 figures. Talk presented at the Workshop on QCD in Extreme Environments, Argonne National Laboratory, 29th June to 3rd July, 2004
Subjects: High Energy Physics - Lattice (hep-lat)
Report number: ANL-HEP-CP-04-72
Cite as: arXiv:hep-lat/0408003
  (or arXiv:hep-lat/0408003v1 for this version)
  https://doi.org/10.48550/arXiv.hep-lat/0408003

Submission history

From: Donald Sinclair [view email]
[v1] Wed, 4 Aug 2004 01:01:10 UTC (450 KB)
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