Comment on "Relation between scattering amplitude and Bethe-Salpeter wave function in quantum field theory"
Sinya Aoki, Takumi Doi, Tetsuo Hatsuda, Noriyoshi Ishii
TL;DR
This paper critically examines and invalidates previous claims about the HAL QCD method for hadron interactions, questioning its practical usefulness in lattice QCD calculations.
Contribution
It provides a critical analysis that challenges the validity and practical application of the HAL QCD method as previously proposed.
Findings
Previous arguments about the HAL QCD method are invalidated.
Questions are raised regarding the practical usefulness of the HAL QCD approach.
The paper clarifies misconceptions in the application of the method.
Abstract
We invalidate the arguments given in [T.Yamazaki and Y.Kuramashi, Phys. Rev. D96, 114511 (2017)] over the HAL QCD method for hadron-hadron interactions on the lattice. We also pose questions on the practical usefulness of the method proposed in this reference.
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