In this paper, the relation between quantum covariances and quantum Fisher informations is studied. This study is applied to generalize a recently proved uncertainty relation based on quantum Fisher information. The proof given here considerably simplifies the previously proposed proofs and leads to more general inequalities.
Gibilisco, P., Hiai, F., Petz, D. (2009). Quantum covariance, quantum fisher information, and the uncertainty relations. IEEE TRANSACTIONS ON INFORMATION THEORY, 55(1), 439-443 [10.1109/TIT.2008.2008142].
Quantum covariance, quantum fisher information, and the uncertainty relations
GIBILISCO, PAOLO;
2009-01-01
Abstract
In this paper, the relation between quantum covariances and quantum Fisher informations is studied. This study is applied to generalize a recently proved uncertainty relation based on quantum Fisher information. The proof given here considerably simplifies the previously proposed proofs and leads to more general inequalities.File in questo prodotto:
File | Dimensione | Formato | |
---|---|---|---|
IEEETIT2009.pdf
accesso aperto
Dimensione
4.52 MB
Formato
Adobe PDF
|
4.52 MB | Adobe PDF | Visualizza/Apri |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.