A novel algorithm for computing quark propagators for lattice hadron spectroscopy

We report on our progress in computing the excitation spectrum in Lattice QCD. We focus on the isospin 0, 1 and 2 channels using the stochastic LapH algorithm for the quark propagators. For the isospin-0 channel, a new glueball operator constructed from the stochastic LapH operator is included in th...

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Veröffentlicht in:arXiv.org 2011-09
Hauptverfasser: Bulava, J, Foley, J, Jhang, Y C, Juge, K J, Lenkner, D, Peardon, M J, Morningstar, C J, Wong, C H
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Sprache:eng
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Zusammenfassung:We report on our progress in computing the excitation spectrum in Lattice QCD. We focus on the isospin 0, 1 and 2 channels using the stochastic LapH algorithm for the quark propagators. For the isospin-0 channel, a new glueball operator constructed from the stochastic LapH operator is included in the variational basis along with the isoscalar meson and pi-pi operators. A representative signal for each channel is presented and the feasibility of extending the calculations to larger lattices is discussed.
ISSN:2331-8422