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arXiv · 2201.00388

Discrimination of dephasing channels

Milajiguli Rexiti·Laleh Memarzadeh·Stefano Mancini
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Abstract

The problem of dephasing channel discrimination is addressed for finite-dimensional systems. In particular, the optimization with respect to input states without energy constraint is solved analytically for qubit, qutrit and ququart. Additionally, it is shown that resorting to side entanglement assisted strategy is completely useless in this case.

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Milajiguli Rexiti, Laleh Memarzadeh, Stefano Mancini. 2022-01-02. Discrimination of dephasing channels. https://doi.org/10.1088/1751-8121%2Fac6d2c

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