High temperature meson propagators with domain-wall quarks

Details High temperature meson propagators with domain-wall quarks High temperature meson propagators with domain-wall quarks

1999-09-12

arxiv.org/abs/hep-lat/9909097v1

Nucl.Phys.Proc.Suppl. 83 (2000) 405-407

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE99(Finite Temperature and Density), 3 pages, 3 figures

Scientific paper

We study the chiral properties of domain-wall quarks at high temperatures on an ensemble of quenched configurations. Low lying eigenmodes of the Dirac operator are calculated and used to check the extent to which the Atiyah-Singer index theorem is obeyed on lattices with finite $N_5$. We calculate the connected and disconnected screening propagators for the lowest mass scalar and pseudoscalar mesons in the sectors of different topological charge and note that they behave as expected. Separating out the would-be zero eigenmodes enables us to accurately estimate the disconnected propagators with far less effort than would be needed otherwise.

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