Numerical experiments using deflation with the HISQ action
Christine Davies, Carleton DeTar, Craig McNeile, Alejandro Vaquero
TL;DR
This paper explores the use of deflation techniques to efficiently compute quark propagators within the HISQ action framework, tested across various lattice configurations and physical parameters.
Contribution
It introduces and evaluates a deflation method tailored for HISQ quark propagator calculations on diverse lattice setups.
Findings
Deflation improves computational efficiency for HISQ propagators.
Method performs well across different lattice spacings and volumes.
Effective at physical quark masses.
Abstract
We report on numerical experiments using deflation to compute quark propagators for the highly improved staggered quark (HISQ) action. The method is tested on HISQ gauge configurations, generated by the MILC collaboration, with lattice spacings of 0.15 fm, with a range of volumes, and sea quark masses down to the physical quark mass.
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