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Creators/Authors contains: "Hyeon, Changbong"

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  1. ; ; ; (, The Journal of Physical Chemistry Letters)
    Full Text Available 
  2. ; ; (, Journal of Physics A: Mathematical and Theoretical)
    Abstract Electromagnetically induced slow-light medium is a promising system for quantum memory devices, but controlling its noise level remains a major challenge to overcome. This work considers the simplest model for such medium, comprised of three-level Λ-systems interacting with bosonic bath, and provides a new fundamental trade-off relation in light–matter interaction between the group velocity of light and the Fano factor of photon current due to radiative transitions. Considering the steady state limits of a newly derived Lindblad-type equation, we find that the Fano factor of the photon current maximizes to 3 at the minimal group velocity of light, which holds true universally regardless of detailed values of parameters characterizing the medium. 
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  3. ; ; (, The Journal of Chemical Physics)