par Theodosopulu, Mária ;Grecos, Alkis
Référence Physics letters. A, 54, 3, page (231-232)
Publication Publié, 1975-09
Article révisé par les pairs
Résumé : We discuss the properties of the collision operator, as defined by the Brussels group, for a simple lattice model. The existence of a non-trivial asymptotic collision operator is related to the change of the spectrum of the free Hamiltonian due to the external field. © 1975.