arXiv:1103.6188 · Modern Physics Letters A
NEW BASES FOR A GENERAL DEFINITION FOR THE MOVING PREFERRED BASIS
Mario Castagnino, Sebastián Fortín
Abstract
One of the challenges of the Environment-Induced Decoherence (EID) approach is to provide a simple general definition of the moving pointer basis or moving preferred basis. In this paper we prove that the study of the poles that produce the decaying modes in non-unitary evolution, could yield a general definition of the relaxation, the decoherence times, and the moving preferred basis. These are probably the most important concepts in the theory of decoherence, one of the most relevant chapters of theoretical (and also practical) quantum mechanics. As an example we solved the Omnès (or Lee–Friedrich) model using our theory.