Intrinsic time-uncertainties and decoherence: comparison of 4 models

TL;DR

This paper compares four models of energy decoherence based on intrinsic time-uncertainty, analyzing their common mathematical structures and deriving related global and local master equations.

Contribution

It provides a unified analysis of four different approaches to energy decoherence through the lens of intrinsic time-uncertainty, emphasizing their shared mathematical features.

Findings

Derived global and local master equations for energy decoherence models.

Identified common mathematical structures among four different models.

Highlighted the importance of local concepts in decoherence analysis.

Abstract

Four models of energy decoherence are discussed from the common perspective of intrinsic time-uncertainty. The four authors -- Milburn, Adler, Penrose, and myself -- have four different approaches. The present work concentrates on their common divisors at the level of the proposed equations rather than at the level of the interpretations. General relationships between time-uncertainty and energy-decoherence are presented in both global and local sense. Global and local master equations are derived. (The local concept is favored.)