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Density matrix

Known as: Quantum Liouville equation, Liouville-von Neumann equation, Von Neumann Equation 
A density matrix is a matrix that describes a quantum system in a mixed state, a statistical ensemble of several quantum states. This should be… 
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Related topics

Related topics

50 relations
Born ruleBra–ket notationBures metricCoherence (physics)

Broader (2)

Quantum information scienceQuantum mechanics

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2006
2006
Photoassociation with chirped laser pulses: calculation of the absolute number of molecules per pulse
The total number of molecules produced in a pulsed photoassociation of ultracold atoms is a crucial link between theory and… 
2006
2006
Theory of Nanocomposite Network Transistors for Macroelectronics Applications
A new class of nanocomposite network materials based on carbon nanotubes or silicon nanowires for thin-film transistors promises… 
Highly Cited
2000
Highly Cited
2000
Oligophenylenevinylene Phane Dimers: Probing the Effect of Contact Site on the Optical Properties of Bichromophoric Pairs
Paracyclophane derivatives have been prepared that may be considered models of bichromophoric contacts in the solid. The optical… 
Highly Cited
1999
Highly Cited
1999
Reaction dynamics of photochromic dithienylethene derivatives
1998
1998
Perturbation and variational methods in nonextensive Tsallis statistics
A unified presentation of the perturbation and variational methods for the generalized statistical mechanics based on Tsallis… 
Highly Cited
1996
Highly Cited
1996
CUMULATIVE REACTION PROBABILITY VIA TRANSITION STATE WAVE PACKETS
A new time‐dependent approach to the cumulative reaction probability, N(E), has been developed based on the famous formulation… 
Highly Cited
1984
Highly Cited
1984
Classical and quantum algebras of non-local charges in σ models
We investigate the algebras of the non-local charges and their generating functionals (the monodromy matrices) in classical and… 
1982
1982
Bayes-cost reduction algorithm in quantum hypothesis testing
An iterative procedure is described for reducing the Bayes cost in decisions among M>2 quantum hypotheses by minimizing the… 
Highly Cited
1974
Highly Cited
1974
Theory of radiationless transitions in polyatomic molecules. The intermediate case
Highly Cited
1969
Highly Cited
1969
Spectral factorization of time-varying covariance functions
The determination of the state-space equations of a time-varying finite-dimensional linear system with a prescribed output… 
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