Predicting decoherence in discrete models

Abstract

The general aim of this paper is to supply a method to decide whether a discrete system decoheres or not, and under what conditions decoherence occurs, with no need of appealing to computer simulations to obtain the time evolution of the reduced state. In particular, a lemma is presented as the core of the method.

8 pages, 2 figures

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• New bases for a general definition for the moving preferred basis
• Non-Hermitian Hamiltonians in decoherence and equilibrium theory
• Convex Quantum Logic
• Formal features of a General Theoretical Framework for Decoherence in open and closed systems
• Quantum decoherence: a logical perspective
• Upper Bounds for the Poincaré Recurrence Time in Quantum Mixed States
• Analyzing the spin-bath model without simulations