Introduces axiomatic total t-anticoherence (non-decreasing under SU(2)-covariant channels), quantum t-anticoherence (resource monotone coinciding on pure states), and classical difference, with constructions from purity, Hilbert-Schmidt distance, and multipoles.
Remarks on the classical capacity of quantum channel
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abstract
A direct proof of the relation between the one-shot classical capacity and the minimal output entropy for covariant quantum channels is suggested. The structure of covariant channels is described in some detail. A simple proof of a general inequality for entanglement-assisted classical capacity is given.
fields
quant-ph 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Total, quantum, and classical measures of anticoherence for mixed spin states
Introduces axiomatic total t-anticoherence (non-decreasing under SU(2)-covariant channels), quantum t-anticoherence (resource monotone coinciding on pure states), and classical difference, with constructions from purity, Hilbert-Schmidt distance, and multipoles.