Towards a determination of Csw using Numerical Stochastic Perturbation Theory (NSPT)

Details Towards a determination of Csw using Numerical Stochastic Perturbation Theory (NSPT) Towards a determination of Csw using Numerical Stochastic Perturbation Theory (NSPT)

2008-12-09

arxiv.org/abs/0812.1680v1

PoS LATTICE2008:215,2008

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages. Presented at 26th International Symposium on Lattice Field Theory (Lattice 2008), Williamsburg, Virginia, 14-20 Jul 2

Scientific paper

We outline a strategy to compute the second-loop contribution to the Csw
coefficient of the Sheikoleslami-Wohlert-Wilson fermion action by means of
NSPT. We also present preliminary results for higher-order integrators for the
Langevin evolution within NSPT. At fixed numerical accuracy, these integrators
considerably reduce the required computer-time.

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