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Abstract: We investigate the optimal control of open quantum systems, in particular,the mutual influence of driving and dissipation. A stochastic approach toopen-system control is developed, using a generalized version of Krotov-siterative algorithm, with no need for Markovian or rotating-waveapproximations. The application to a harmonic degree of freedom revealscooperative effects of driving and dissipation that a standard Markoviantreatment cannot capture. Remarkably, control can modify the open-systemdynamics to the point where the entropy change turns negative, thus achievingcooling of translational motion without any reliance on internal degrees offreedom.



Autor: Rebecca Schmidt, Antonio Negretti, Joachim Ankerhold, Tommaso Calarco, Jürgen T. Stockburger

Fuente: https://arxiv.org/







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