Abstract:
A spectral analysis is made of a Schrödinger operator with zero-range
potential of the type of a one- or two-dimensional lattice in the
presence of internal structure. The relationship between the
resonances of an isolated atom and the spectral properties of the
crystal is established.
Citation:
P. B. Kurasov, B. S. Pavlov, “Electron in a homogeneous crystal of point atoms with internal structure. II”, TMF, 74:1 (1988), 82–93; Theoret. and Math. Phys., 74:1 (1988), 58–66