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Long-lived quantum coherences in a V -type system strongly driven by a thermal environment

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We explore the coherent dynamics of a three-level V-system interacting with a thermal bath in the regime where thermal excitation occurs much faster than spontaneous decay. We present analytic solutions… Click to show full abstract

We explore the coherent dynamics of a three-level V-system interacting with a thermal bath in the regime where thermal excitation occurs much faster than spontaneous decay. We present analytic solutions of the Bloch-Redfield quantum master equations, which show that strong incoherent pumping can generate long-lived quantum coherences among the excited states of the V-system in the overdamped regime defined by the condition $\Delta/(\bar{n}\gamma)

Keywords: lived quantum; system; quantum coherences; coherences type; bar; long lived

Journal Title: Physical Review A
Year Published: 2018

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