TY  - JOUR 
AU  - Gómez Rocha, María
AU  - Ruiz Arriola, Enrique
PY  - 2019
UR  - http://hdl.handle.net/10481/59101
AB  - The solution of the scattering problem based on the Lippmann-Schwinger equation requires in many cases a discretization of the spectrum in the continuum which does not respect the unitary equivalence of the S-matrix on the finite grid. We present a...
LA  - eng
PB  - Elsevier BV
KW  - Lippmann-Schwinger equation
KW  - Phase shifts
KW  - Momentum grid
KW  - Equivalent hamiltonian
KW  - Scattering (Physics)
TI  - Spectral-shift and scattering-equivalent Hamiltonians on a coarse momentum grid
DO  - 10.1016/j.physletb.2019.135107
ER  -