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Hidden parameters in open-system evolution unveiled by geometric phase (1005.2992v2)
Published 17 May 2010 in quant-ph
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.
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