Fidelity of Gaussian Channels
نویسندگان
چکیده
منابع مشابه
Fidelity of Gaussian Channels
A noisy Gaussian channel is defined as a channel in which an input field mode is subjected to random Gaussian displacements in phase space. We introduce the quantum fidelity of a Gaussian channel for pure and mixed input states, and we derive a universal scaling law of the fidelity for pure initial states. We also find the maximum fidelity of a Gaussian channel over all input states. Quantum cl...
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ژورنال
عنوان ژورنال: Open Systems & Information Dynamics
سال: 2004
ISSN: 1230-1612,1793-7191
DOI: 10.1007/s11080-004-6621-7