It is demonstrated that the conventional form of the quasi-equilibrium hypothesis for crystal electrons is not self-consistent in coherent light. A consistent quantum evolution requires the initial many-body state of the electrons to depend on the coherence of the field.
机构:
IMPA, Estrada Dona Castorina 110, BR-22460 Rio De Janeiro, RJ, BrazilUniv Perpignan, Laboratoire PROMES, Tecnosud Rambla Thermodynam, F-66100 Perpignan, France