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Critical dynamics of the hybrid Monte Carlo algorithm

Critical dynamics of the hybrid Monte Carlo algorithm,10.1016/S0920-5632(97)00950-X,Nuclear Physics B-proceedings Supplements,Th. Lippert,G. Bali,N. E

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Critical dynamics of the hybrid Monte Carlo algorithm (Citations: 3)


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We investigate the critical dynamics of the Hybrid Monte Carlo algorithm approaching the chiral limit of standard Wilson fermions. Our observations are based on time series of lengths O(500) for a variety of observables. The lattice sizes are 163 × 32 and 243 × 40. We work at β = 5.6, and κ = 0.156, 0.157, 0.1575, 0.158, with 0.83 > mπmϱ > 0.55. We find surprisingly small integrated autocorrelation times for local and extended observables. The dynamical critical exponent z of the exponential autocorrelation time is compatible with 2. We estimate the total computational effort to scale between V2and V214 toward the chiral limit.

Journal: Nuclear Physics B-proceedings Supplements - NUCL PHYS B-PROC SUPPL , vol. 63, no. 1, pp. 946-948, 1998

DOI: 10.1016/S0920-5632(97)00950-X

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Keywords (3)

Critical dynamics of the hybrid Monte Carlo algorithm,10.1016/S0920-5632(97)00950-X,Nuclear Physics B-proceedings Supplements,Th. Lippert,G. Bali,N. E

Citations (3)

Comparing topological charge definitions using topology fixing actions (Citations: 1)

Scanning the topological sectors of the QCD vacuum with the hybrid Monte Carlo algorithm

Scanning the Topological Sectors of the QCD Vacuum with Hybrid Monte Carlo (Citations: 2)


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