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| related topics |
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Noiseless Quantum Circuits for the Peres Separability Criterion
Hilary A. Carteret
abstract: In this Letter we give a method for constructing sets of simple circuits that
can determine the spectrum of a partially transposed density matrix, without
requiring either a tomographically complete POVM or the addition of noise to
make the spectrum non-negative. These circuits depend only on the dimension of
the Hilbert space and are otherwise independent of the state.
- oai_identifier:
- oai:arXiv.org:quant-ph/0309216
- categories:
- quant-ph
- comments:
- 4 pages RevTeX, 7 figures encapsulated postscript. v5: title changed
slightly, more-or-less equivalent to the published version
- doi:
- 10.1103/PhysRevLett.94.040502
- arxiv_id:
- quant-ph/0309216
- journal_ref:
- Phys. Rev. Lett., vol. 94(4), 040502 (2005)
- created:
- 2003-09-29
- updated:
- 2005-04-05
Full article ▸
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