COMPARISON OF UPDATE ALGORITHMS FOR PURE GAUGE SU(3)

Author:

GUPTA RAJAN1,KILCUP GREGORY W.2,PATEL APOORVA3,SHARPE STEPHEN R.4,FORCRAND PHILIPPE DE56

Affiliation:

1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA

2. Physics Department, Brown University, Providence, RI 02912, USA

3. Theory Group, CERN, Genéve 23, Switzerland

4. Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94305, USA

5. Physics Department, University of Minnesota, Minneapolis, MN 55455, USA

6. Cray Research Inc., 1333 Northland Drive, Mendota Heights, MN 55120, USA

Abstract

We show that the overrelaxed algorithm of Creutz and of Brown and Woch is the optimal local update algorithm for simulation of pure gauge SU(3). Our comparison criterion includes computer efficiency and decorrelation times. We also investigate the rate of decorrelation for the Hybrid Monte Carlo algorithm.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

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