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City University of New York (CUNY)
Dissertations, Theses, and Capstone Projects
Cloning; discrimination; implementation; quantum; realization; separation
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Optimal Measurements Tasks And Their Physical Realizations, Vadim Yerokhin
Optimal Measurements Tasks And Their Physical Realizations, Vadim Yerokhin
Dissertations, Theses, and Capstone Projects
This thesis reflects works previously published by the author and materials hitherto unpublished on the subject of quantum information theory. Particularly, results in optimal discrimination, cloning, and separation of quantum states, and their relationships, are discussed.
Our interest lies in the scenario where we are given one of two quantum states prepared with a known a-priori probability. We are given full information about the states and are assigned the task of performing an optimal measurement on the incoming state. Given that none of these tasks is in general possible to perform perfectly we must choose a figure of merit to …