State estimation from pair of conjugate qudits

Details State estimation from pair of conjugate qudits State estimation from pair of conjugate qudits

2006-03-26

arxiv.org/abs/quant-ph/0603237v2

Physics

Quantum Physics

4 pages, 1 table

Scientific paper

10.1103/PhysRevA.74.042324

We show that, for $N$ parallel input states, an anti-linear map with respect
to a specific basis is essentially a classical operator. We also consider the
information contained in phase-conjugate pairs $|\phi > |\phi^*>$, and prove
that there is more information about a quantum state encoded in phase-conjugate
pairs than in parallel pairs.

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