Hidden parameters in open-system evolution unveiled by geometric phase

Abstract

We find a class of open-system models in which individual quantum trajectories may depend on parameters that are undetermined by the full open-system evolution. This dependence is imprinted in the geometric phase associated with such trajectories and persists after averaging. Our findings indicate a potential source of ambiguity in the quantum trajectory approach to open quantum systems.

QSD analysis added; several stylistic changes; journal reference added

References in corpus (7)

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