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Uncertainty Relation Revisited from Quantum Estimation Theory
Uncertainty Relation Revisited Quantum Estimation Theory
2010/11/5
By invoking quantum estimation theory we formulate the uncertainty relation for arbitrary quantum states and measurements in a finite-dimensional Hilbert space. To obtain information about the quantum...
Schrödinger uncertainty relation, Wigner-Yanase-Dyson skew information and metric adjusted correlation measure
Trace inequality Wigner-Yanase-Dyson skew information
2010/10/29
In this paper, we give a Schr\"odinger-type uncertainty relation using the Wigner-Yanase-Dyson skew information. In addition, we give Schr\"odinger-type uncertainty relation by use of a two-parameter...
Uncertainty relations give upper bounds on the accuracy by which the outcomes of two incompatible measurements can be predicted. While the established uncertainty relations apply to cases where the pr...
Uncertainty relations give upper bounds on the accuracy by which the outcomes of two incompatible measurements can be predicted. While the established uncertainty relations apply to cases where the pr...
Comment on the uncertainty relation with periodic boundary conditions
Comment uncertainty relation periodic boundary conditions
2010/10/21
The Kennard-type uncertainty relation xp > ~2 is formulated for a free particle with given momentum hˆpi inside a box with periodic boundary conditions in the large box limit. Our
construction...