17.7. Scattering in a potential with two delta functions Consider a one-dimensional system of quantum mechanics with
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17.7. Scattering in a potential with two delta functions Consider a one-dimensional system of quantum mechanics with Hamiltonian given by H = p2 2m
+V(x)
with V(x) = −g1 δ(x+a)−g2 δ(x+a)
(g1 and g2 positive).
a. Compute the phase shifts δ0 and δ1 and the corresponding S-matrix elements.
b. Analyse the analytic structure of the S-matrix by varying the momentum k.
c. Determine the wave function of the bound states.
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Related Book For
Statistical Field Theory An Introduction To Exactly Solved Models In Statistical Physics
ISBN: 9780198788102
2nd Edition
Authors: Giuseppe Mussardo
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