LEVINSONS THEOREM FOR TIME-PERIODIC POTENTIALS

Authors
MARTIN PA DEBIANCHI MS
Citation
Pa. Martin et Ms. Debianchi, LEVINSONS THEOREM FOR TIME-PERIODIC POTENTIALS, Europhysics letters, 34(9), 1996, pp. 639-643
Citations number
8
Categorie Soggetti
Physics
Journal title
Europhysics letters → ACNP
ISSN journal
02955075
Volume
34
Issue
9
Year of publication
1996
Pages
639 - 643
Database
ISI
SICI code
0295-5075(1996)34:9<639:LTFTP>2.0.ZU;2-V
Abstract
Levinson's theorem is generalized to quantum scattering with time-peri odic potentials. The zero-energy of the phase shift in the elastic cha nnel is linked to the number of bound (cyclic) states of the time-depe ndent potential by the same relation as in the static case.