Improved flavor symmetry in kogut-susskind fermion actions

K. Orginos; R. Sugar; D. Toussaint

doi:10.1016/s0920-5632(00)91832-2

Improved flavor symmetry in kogut-susskind fermion actions

K. Orginos, R. Sugar, D. Toussaint

Physics

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

We study improved Kogut-Susskind fermion actions focusing on flavor symmetry restoration. Several variants of fat actions suitable for dynamical simulations are considered, including an action with no tree level O(a²) errors. The spectrum of all the pions is computed and used as a measure of flavor symmetry violation. Finally, the Naik term is introduced to restore rotational symmetry.

Original language	English (US)
Pages (from-to)	878-880
Number of pages	3
Journal	Nuclear Physics B - Proceedings Supplements
Volume	83-84
Issue number	1-3
DOIs	https://doi.org/10.1016/s0920-5632(00)91832-2
State	Published - Mar 2000

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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10.1016/s0920-5632(00)91832-2

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title = "Improved flavor symmetry in kogut-susskind fermion actions",

abstract = "We study improved Kogut-Susskind fermion actions focusing on flavor symmetry restoration. Several variants of fat actions suitable for dynamical simulations are considered, including an action with no tree level O(a2) errors. The spectrum of all the pions is computed and used as a measure of flavor symmetry violation. Finally, the Naik term is introduced to restore rotational symmetry.",

author = "K. Orginos and R. Sugar and D. Toussaint",

note = "Funding Information: *Presented by K. Orginos. Supported by the US DOE and NSF. Computations were done at ORNL, PSC, NCSA, BU, and NERSC as part of the MILC collaboration.",

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doi = "10.1016/s0920-5632(00)91832-2",

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AU - Orginos, K.

AU - Sugar, R.

AU - Toussaint, D.

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PY - 2000/3

Y1 - 2000/3

N2 - We study improved Kogut-Susskind fermion actions focusing on flavor symmetry restoration. Several variants of fat actions suitable for dynamical simulations are considered, including an action with no tree level O(a2) errors. The spectrum of all the pions is computed and used as a measure of flavor symmetry violation. Finally, the Naik term is introduced to restore rotational symmetry.

AB - We study improved Kogut-Susskind fermion actions focusing on flavor symmetry restoration. Several variants of fat actions suitable for dynamical simulations are considered, including an action with no tree level O(a2) errors. The spectrum of all the pions is computed and used as a measure of flavor symmetry violation. Finally, the Naik term is introduced to restore rotational symmetry.

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JO - Nuclear Physics B - Proceedings Supplements

JF - Nuclear Physics B - Proceedings Supplements

IS - 1-3

ER -

Improved flavor symmetry in kogut-susskind fermion actions

Abstract

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