In the tight-binding approximation, we consider the scattering problem in a quantum billiard and investigate the behavior of the scattering matrix near a resonance.
机构:
Moscow MV Lomonosov State Univ, Fac Phys, Dept Math, Moscow 119991, RussiaMoscow MV Lomonosov State Univ, Fac Phys, Dept Math, Moscow 119991, Russia