Dynamical phase transitions as a resource for quantum enhanced metrology

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Dynamical phase transitions as a resource for quantum enhanced metrology

We consider the general problem of estimating an unknown control parameter of an open quantum system. We establish a direct relation between the evolution of both system and environment and the precision with which the parameter can be estimated. We show that when the open quantum system undergoes a...

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Bibliographic Details
Main Authors:	Macieszczak, Katarzyna, Guţă, Mădălin, Lesanovsky, Igor, Garrahan, Juan P.
Format:	Article
Published:	American Physical Society 2016
Online Access:	https://eprints.nottingham.ac.uk/39539/

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