Quantum covariance, quantum Fisher information and the uncertainty principle

Details Quantum covariance, quantum Fisher information and the uncertainty principle Quantum covariance, quantum Fisher information and the uncertainty principle

2007-12-07

arxiv.org/abs/0712.1208v1

Physics

Mathematical Physics

Scientific paper

In this paper the relation between quantum covariances and quantum Fisher
informations are studied. This study is applied to generalize a recently proved
uncertainty relation based on quantum Fisher information. The proof given
hereconsiderably simplifies the previously proposed proofs and leads to more
general inequalities.

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