Quantum inference of states and processes

Details Quantum inference of states and processes Quantum inference of states and processes

2002-10-21

arxiv.org/abs/quant-ph/0210146v2

Phys. Rev. A 68, 012305 (2003).

Physics

Quantum Physics

7 pages, 4 figures

Scientific paper

10.1103/PhysRevA.68.012305

The maximum-likelihood principle unifies inference of quantum states and
processes from experimental noisy data. Particularly, a generic quantum process
may be estimated simultaneously with unknown quantum probe states provided that
measurements on probe and transformed probe states are available. Drawbacks of
various approximate treatments are considered.

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