Brower, Richard C, Babich, Ronald, Orginos, Kostas, Rebbi, Claudio, Schaich, David and Vranas, Pavlos
(2009)
Möbius Algorithm for Domain Wall and GapDW Fermions.
In: The XXVI International Symposium on Lattice Field Theory, 2008-7-14 - ?.
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Abstract
The Möbius domain wall action [1] is a generalization of Shamir's action, which gives exactly the same overlap fermion lattice action as the separation (Ls ) between the domain walls is taken to infinity. The performance advantages of the algorithm are presented for small ensembles of quenched, full QCD domain wall and Gap domain wall lattices [2]. In particular, it is shown that at the larger lattice spacings relevant to current dynamical simulations Möbius fermions work well together with GapDWF, reducing Ls by more than a factor of two. It is noted that there is a precise map between the domain wall and effective overlap action at finite quark mass including finite Ls chiral violations so that the Ward-Takahashi identities for the axial and vector currents are exactly equivalent in the two formulations.
| Item Type: | Conference or Workshop Item (Unspecified) |
|---|---|
| Depositing User: | Symplectic Admin |
| Date Deposited: | 13 Mar 2020 14:26 |
| Last Modified: | 18 Jan 2023 23:57 |
| DOI: | 10.22323/1.066.0034 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3078906 |
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