|
| related topics |
| {information, entropy, channel} |
| {qubit, qubits, gate} |
| {time, decoherence, evolution} |
| {alice, bob, state} |
| {state, phys, rev} |
| {states, state, optimal} |
| {measurement, state, measurements} |
| {theory, mechanics, state} |
|
Accessible Information and Quantum operations
Qing-yu Cai
abstract: The accessible information decreases under quantum operations. We analyzed
the connection between quantum operations and accessible information. We show
that a general quantum process cannot be operated accurately. Futhermore, an
unknown state of a closed quantum system can not be operated arbitrarily by a
unitary quantum operation.
- oai_identifier:
- oai:arXiv.org:quant-ph/0303117
- categories:
- quant-ph
- arxiv_id:
- quant-ph/0303117
- created:
- 2003-03-19
Full article ▸
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