The 2+1 flavor topological susceptibility from the asqtad action at 0.06 fm

C. Bernard, B. Billeter, C. DeTar, L. Levkova, Steven Gottlieb, U. M. Heller, J. E. Hetrick, J. Osborn, D. B. Renner, William D Toussaint, R. Sugar

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

We report new data for the topological susceptibility computed on 2+1 flavor dynamical configurations with lattice spacing 0.06 fm, generated with the asqtad action. The topological susceptibility is computed by HYP smearing and compared with rooted staggered chiral perturbation theory as the pion mass goes to zero. At 0.06 fm, the raw data is already quite close to the continuum extrapolated values obtained from coarser lattices. These results provide a further test of the asqtad action with rooted staggered flavors.

Original languageEnglish (US)
Article number310
JournalProceedings of Science
Volume42
StatePublished - Jan 1 2007
Event25th International Symposium on Lattice Field Theory, LATTICE 2007 - Regensburg, Germany
Duration: Jul 30 2007Aug 4 2007

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magnetic permeability
pions
perturbation theory
spacing
continuums
configurations

ASJC Scopus subject areas

  • General

Cite this

Bernard, C., Billeter, B., DeTar, C., Levkova, L., Gottlieb, S., Heller, U. M., ... Sugar, R. (2007). The 2+1 flavor topological susceptibility from the asqtad action at 0.06 fm. Proceedings of Science, 42, [310].

The 2+1 flavor topological susceptibility from the asqtad action at 0.06 fm. / Bernard, C.; Billeter, B.; DeTar, C.; Levkova, L.; Gottlieb, Steven; Heller, U. M.; Hetrick, J. E.; Osborn, J.; Renner, D. B.; Toussaint, William D; Sugar, R.

In: Proceedings of Science, Vol. 42, 310, 01.01.2007.

Research output: Contribution to journalConference article

Bernard, C, Billeter, B, DeTar, C, Levkova, L, Gottlieb, S, Heller, UM, Hetrick, JE, Osborn, J, Renner, DB, Toussaint, WD & Sugar, R 2007, 'The 2+1 flavor topological susceptibility from the asqtad action at 0.06 fm', Proceedings of Science, vol. 42, 310.
Bernard C, Billeter B, DeTar C, Levkova L, Gottlieb S, Heller UM et al. The 2+1 flavor topological susceptibility from the asqtad action at 0.06 fm. Proceedings of Science. 2007 Jan 1;42. 310.
Bernard, C. ; Billeter, B. ; DeTar, C. ; Levkova, L. ; Gottlieb, Steven ; Heller, U. M. ; Hetrick, J. E. ; Osborn, J. ; Renner, D. B. ; Toussaint, William D ; Sugar, R. / The 2+1 flavor topological susceptibility from the asqtad action at 0.06 fm. In: Proceedings of Science. 2007 ; Vol. 42.
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AU - Levkova, L.

AU - Gottlieb, Steven

AU - Heller, U. M.

AU - Hetrick, J. E.

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AU - Renner, D. B.

AU - Toussaint, William D

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AB - We report new data for the topological susceptibility computed on 2+1 flavor dynamical configurations with lattice spacing 0.06 fm, generated with the asqtad action. The topological susceptibility is computed by HYP smearing and compared with rooted staggered chiral perturbation theory as the pion mass goes to zero. At 0.06 fm, the raw data is already quite close to the continuum extrapolated values obtained from coarser lattices. These results provide a further test of the asqtad action with rooted staggered flavors.

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