Long-range forces in a finite volume
A. Rusetsky*,
R. Bubna,
H.W. Hammer,
F. Müller,
J.Y. Pang and
J.J. Wu*: corresponding author
Abstract
In the presence of a long-range force, a modified Lüscher equation is derived, which can be applied for the extraction of the two-body scattering phase shifts on the lattice. A brief comparison with the existing approaches is carried out.
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