Computational Methods for UV-Suppressed Fermions
Artan Borici
TL;DR
This paper introduces a stochastic computational method using the Lanczos algorithm to evaluate the effective action of UV-suppressed lattice fermions, addressing the ultraviolet slowing down problem in lattice QCD.
Contribution
It presents a novel stochastic approach for calculating the effective action of UV-suppressed fermions with complexity comparable to standard fermions.
Findings
Method successfully evaluates effective action
Complexity comparable to standard fermions
Addresses ultraviolet slowing down problem
Abstract
Lattice fermions with suppressed high momentum modes solve the ultraviolet slowing down problem in lattice QCD. This paper describes a stochastic evaluation of the effective action of such fermions. The method is a based on the Lanczos algorithm and it is shown to have the same complexity as in the case of standard fermions.
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