Proceedings of the International Workshop "Quantum Entanglement in Physical and Information Sciences" Centro di Ricerca Matematica Ennio DeGiorgi, Scuola Normale Superiore; December 14—18, 2004, Pisa, Italy – Eds. C. Macchiavello, R. Fazio and G. M. PalmaNo Access

ADDITIVITY IN ISOTROPIC QUANTUM SPIN CHANNELS

NILANJANA DATTA

NILANJANA DATTA

Statistical Laboratory, Centre for Mathematical Sciences, University of Cambridge, Wilberforce Road, Cambridge CB30WB, United Kingdom

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https://doi.org/10.1142/S0219749906001931Cited by:0 (Source: Crossref)

Abstract

We prove additivity of the minimum output entropy and the Holevo capacity for rotationally invariant quantum channels acting on spin-1/2 and spin-1 systems. The physical significance of these channels and their relations to other known channels is also discussed.

Keywords:

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