Testing an exact algorithm for simulation of fermionic QCD

Steven Gottlieb; W. Liu; D. Toussaint; R. L. Sugar

doi:10.1103/PhysRevD.35.2611

Testing an exact algorithm for simulation of fermionic QCD

Steven Gottlieb, W. Liu, D. Toussaint, R. L. Sugar

Physics

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

14 Scopus citations

Abstract

A new exact dynamical fermion algorithm is applied to SU(3) lattice gauge theory with fermions. Although the algorithm gives correct answers, it reaches equilibrium slowly and there is some evidence indicating that it explores configuration space inefficiently. This suggests that for QCD this method is inferior to extrapolation of Langevin or hybrid molecular-dynamics methods to zero step size.

Original language	English (US)
Pages (from-to)	2611-2614
Number of pages	4
Journal	Physical Review D
Volume	35
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevD.35.2611
State	Published - 1987

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.35.2611

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title = "Testing an exact algorithm for simulation of fermionic QCD",

abstract = "A new exact dynamical fermion algorithm is applied to SU(3) lattice gauge theory with fermions. Although the algorithm gives correct answers, it reaches equilibrium slowly and there is some evidence indicating that it explores configuration space inefficiently. This suggests that for QCD this method is inferior to extrapolation of Langevin or hybrid molecular-dynamics methods to zero step size.",

author = "Steven Gottlieb and W. Liu and D. Toussaint and Sugar, {R. L.}",

year = "1987",

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AU - Liu, W.

AU - Toussaint, D.

AU - Sugar, R. L.

PY - 1987

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N2 - A new exact dynamical fermion algorithm is applied to SU(3) lattice gauge theory with fermions. Although the algorithm gives correct answers, it reaches equilibrium slowly and there is some evidence indicating that it explores configuration space inefficiently. This suggests that for QCD this method is inferior to extrapolation of Langevin or hybrid molecular-dynamics methods to zero step size.

AB - A new exact dynamical fermion algorithm is applied to SU(3) lattice gauge theory with fermions. Although the algorithm gives correct answers, it reaches equilibrium slowly and there is some evidence indicating that it explores configuration space inefficiently. This suggests that for QCD this method is inferior to extrapolation of Langevin or hybrid molecular-dynamics methods to zero step size.

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DO - 10.1103/PhysRevD.35.2611

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Testing an exact algorithm for simulation of fermionic QCD

Abstract

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