dorsal/arxiv
View SchemaAdditivity of the Classical Capacity of Entanglement-Breaking Quantum Channels
| Authors | Peter W. Shor |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0201149 |
| URL | https://arxiv.org/abs/quant-ph/0201149 |
| DOI | 10.1063/1.1498000 |
| Journal | J. Math. Phys. Vol. 43, 4334-4340 (2002) |
Abstract
We show that for the tensor product of an entanglement-breaking quantum channel with an arbitrary quantum channel, both the minimum entropy of an output of the channel and the Holevo-Schumacher-Westmoreland capacity are additive. In addition, for the tensor product of two arbitrary quantum channels, we give a bound involving entanglement of formation for the amount of subadditivity (for minimum entropy output) or superadditivity (for channel capacity) that can occur.
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"abstract": "We show that for the tensor product of an entanglement-breaking quantum\nchannel with an arbitrary quantum channel, both the minimum entropy of an\noutput of the channel and the Holevo-Schumacher-Westmoreland capacity are\nadditive. In addition, for the tensor product of two arbitrary quantum\nchannels, we give a bound involving entanglement of formation for the amount of\nsubadditivity (for minimum entropy output) or superadditivity (for channel\ncapacity) that can occur.",
"arxiv_id": "quant-ph/0201149",
"authors": [
"Peter W. Shor"
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"doi": "10.1063/1.1498000",
"journal_ref": "J. Math. Phys. Vol. 43, 4334-4340 (2002)",
"title": "Additivity of the Classical Capacity of Entanglement-Breaking Quantum Channels",
"url": "https://arxiv.org/abs/quant-ph/0201149"
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