Meson spectral functions with chirally symmetric lattice fermions

Abstract

In order to enhance our understanding of spectral functions in lattice QCD obtained with the help of the Maximum Entropy Method, we study meson spectral functions for lattice fermions with chiral symmetry. In particular we analyse lattice artefacts for standard overlap, overlap hypercube and domain wall fermions in the free field limit. We also present first results for pseudoscalar spectral functions in dynamical QCD with 2+1 flavours of domain wall fermions, using data generated by the UKQCD and RBC collaborations on QCDOC machines.

25 pages, two sentences added; to appear in JHEP

References in corpus (2)

• Quarkonium correlators and spectral functions at zero and finite temperature
• A Lattice Computation of the First Moment of the Kaon's Distribution Amplitude

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• Non-perturbative renormalisation of Delta F=2 four-fermion operators in two-flavour QCD
• Pseudo-scalar meson spectral properties in the chiral crossover region of QCD