Speeding up lattice QCD simulations with clover-improved Wilson fermions
We apply a recent proposal to speed up the hybrid Monte Carlo simulation of systems with dynamical fermions to two flavour QCD with clover-improvement. The basic idea of our proposal is to split the fermion matrix into two factors with a reduced condition number each. In the effective action, for bo...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2 April 2003
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| In: |
Nuclear physics. B, Particle physics
Year: 2003, Volume: 659, Issue: 1/2, Pages: 299-320 |
| ISSN: | 1873-1562 |
| DOI: | 10.1016/S0550-3213(03)00227-X |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/S0550-3213(03)00227-X Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S055032130300227X 
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| Author Notes: | M. Hasenbusch, K. Jansen |
MARC
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| 520 | |a We apply a recent proposal to speed up the hybrid Monte Carlo simulation of systems with dynamical fermions to two flavour QCD with clover-improvement. The basic idea of our proposal is to split the fermion matrix into two factors with a reduced condition number each. In the effective action, for both factors a pseudo-fermion field is introduced. For our smallest quark masses we see a speed-up of more than a factor of two compared with the standard algorithm. | ||
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