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hep-lat2023★ 3 cited
Finite-volume scattering on the left-hand cut
André Baião Raposo, Maxwell T. Hansen
The two-particle finite-volume scattering formalism derived by Lüscher and generalized in many subsequent works does not hold for energies far enough below the two-particle thresho…
hep-lat2023
The Lüscher scattering formalism on the -channel cut
André Baião Raposo, Maxwell T. Hansen
The Lüscher scattering formalism, the standard approach for relating the discrete finite-volume energy spectrum to two-to-two scattering amplitudes, fails when analytically continu…