| Issue |
EPJ Web Conf.
Volume 175, 2018
35th International Symposium on Lattice Field Theory (Lattice 2017)
|
|
|---|---|---|
| Article Number | 13009 | |
| Number of page(s) | 8 | |
| Section | 13 Weak Decays and Matrix Elements | |
| DOI | https://doi.org/10.1051/epjconf/201817513009 | |
| Published online | 26 March 2018 | |
https://doi.org/10.1051/epjconf/201817513009
Dispersion relation and unphysical poles of Möbius domain-wall fermions in free field theory at finite Ls
Physics Department, Columbia University, New York 10027, USA
* Speaker, e-mail: mt3164@columbia.edu, supported in part by US DOE grant #DE-SC0011941
Published online: 26 March 2018
We investigate the dispersion relation of Möbius domain-wall fermions in free field theory at finite Ls. We find that there are Ls - 1 extra poles of Möbius domain-wall fermions in addition to the pole which realizes the physical mode in the continuum limit. The unphysical contribution of these extra poles could be significant when we introduce heavy quarks. We show in this report the fundamental properties of these unphysical poles and discuss the optimal choice of Möbius parameters to minimize their contribution to four-dimensional physics.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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