This title appears in the Scientific Report :
2022
Please use the identifier:
http://hdl.handle.net/2128/33395 in citations.
Please use the identifier: http://dx.doi.org/10.22323/1.396.0407 in citations.
Stout-smearing, gradient flow and $c_{\text{SW}}$ at one loop order
Stout-smearing, gradient flow and $c_{\text{SW}}$ at one loop order
The one-loop determination of the coefficient $c_\text{SW}$ of the Wilson quark action has been useful to push the leading cut-off effects for on-shell quantities to $\mathcal{O}(\alpha^2 a)$ and, in conjunction with non-perturbative determinations of $c_\text{SW}$, to $\mathcal{O}(a^2)$, as long as...
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Personal Name(s): | Ammer, Maximilian |
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Durr, Stephan (Corresponding author) | |
Contributing Institute: |
Jülich Supercomputing Center; JSC |
Published in: | 396 S. 407 |
Published in: |
Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021) - Sissa Medialab Trieste, Italy, 2022. - ISBN - doi:10.22323/1.396.0407 |
Imprint: |
Sissa Medialab Trieste, Italy
2022
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Physical Description: |
7 pages |
DOI: |
10.22323/1.396.0407 |
Conference: | 38th International Symposium on Lattice Field Theory, MIT, Boston (virtual) (USA), 2021-07-26 - 2021-07-30 |
Document Type: |
Contribution to a book Contribution to a conference proceedings |
Research Program: |
Domain-Specific Simulation & Data Life Cycle Labs (SDLs) and Research Groups |
Link: |
OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.22323/1.396.0407 in citations.
The one-loop determination of the coefficient $c_\text{SW}$ of the Wilson quark action has been useful to push the leading cut-off effects for on-shell quantities to $\mathcal{O}(\alpha^2 a)$ and, in conjunction with non-perturbative determinations of $c_\text{SW}$, to $\mathcal{O}(a^2)$, as long as no link-smearing is employed. These days it is common practice to include some overall link-smearing into the definition of the fermion action. Unfortunately, in this situation only the tree-level value $c_\text{SW}^{(0)}=1$ is known, and cut-off effects start at $\mathcal{O}(\alpha a)$. We present some general techniques for calculating one loop quantities in lattice perturbation theory which continue to be useful for smeared-link fermion actions. Specifically, we discuss the application to the 1-loop improvement coefficient $c_\text{SW}^{(1)}$ for overall stout-smeared Wilson fermions. |