Volume 466 - The 41st International Symposium on Lattice Field Theory (LATTICE2024) - Hadronic and Nuclear Spectrum and Interactions
The finite-volume spectrum in the presence of a long-range force
A. Rusetsky*, R. Bubna, H.W. Hammer, F. Müller, J.Y. Pang and J.J. Wu
*: corresponding author
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Pre-published on: January 17, 2025
Published on: —
Abstract
We derive modified Lüscher equation that enables one to extract scattering phase shifts from the lattice energy levels even in the
presence of a long-range force. The method avoids large partial-wave mixing which is a priori expected in the presence of such force, and is applicable in the region of the left-hand cut. More details can be found in the recent publication R.Bubna, H.~W.Hammer, F.Müller, J.-Y.Pang, A.Rusetsky and J.-J.Wu, JHEP 05 (2024) 168, arXiv:2402.12985 [hep-lat].
DOI: https://doi.org/10.22323/1.466.0092
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