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Quantum correlation: Comparison of measures with geometry and mutual information
Quantum correlation Comparison measures geometry mutual information
2010/11/5
Two measures for quantum correlations were proposed recently from a geometric perspective [Phys. Rev. Lett. 104, 080501 (2010); e-print arXiv:1004.0190]. We prove the the equivalence of the two geomet...
Information geometry of density matrices and state estimation
Information geometry density matrices state estimation
2010/10/18
Given a pure state vector |xi and a density matrix ˆρ, the function p(x|ˆρ) = hx|ˆρ|xi defines a probability density on the space of pure states parameterised by density matrices. The a...
The Casimir force on a surface with shallow nanoscale corrugations: Geometry and finite conductivity effects
The Casimir force surface with shallow nanoscale corrugations Geometry finite conductivity effects
2010/10/20
We measure the Casimir force between a gold sphere and a silicon plate with nanoscale, rectan-
gular corrugations with depth comparable to the separation between the surfaces. In the proximity force ...