measure of entanglement

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• Quantum entanglement — Quantum mechanics Uncertainty principle …   Wikipedia

• Multipartite entanglement — In the case of systems composed of subsystems the definition of separable and entangled states is richer than in the bipartite case. Indeed, in the multipartite case, apart from fully separable and fully entangled states, there also exists the… …   Wikipedia

• Squashed entanglement — Squashed entanglement, also called CMI entanglement (CMI can be pronounced see me ), is an information theoretic measure of quantum entanglement for a bipartite quantum system. If varrho {A, B} is the density matrix of a system (A,B) composed of… …   Wikipedia

• Photon entanglement — This brief explanation of photon entanglement is a supplement to the article Bohr Einstein debates and is designed to help clarify the discussion of the Einstein Podolsky Rosen argument in quantum theory which takes place in that… …   Wikipedia

• One-Shot Entanglement-Enhanced Classical Communication — In the theory of quantum communication, it is well known that entanglement cannot increase the capacity of a classical communication channel in the sense of Shannon, that is, for an i.i.d. (independent and identically distributed) protocol.… …   Wikipedia

• Rényi entropy — In information theory, the Rényi entropy, a generalisation of Shannon entropy, is one of a family of functionals for quantifying the diversity, uncertainty or randomness of a system. It is named after Alfréd Rényi. The Rényi entropy of order α,… …   Wikipedia

• Kullback–Leibler divergence — In probability theory and information theory, the Kullback–Leibler divergence[1][2][3] (also information divergence, information gain, relative entropy, or KLIC) is a non symmetric measure of the difference between two probability distributions P …   Wikipedia

• Schmidt decomposition — In linear algebra, the Schmidt decomposition refers to a particular way of expressing a vector in the tensor product of two inner product spaces. It has applications in quantum information theory and plasticity. Theorem Let H 1 and H 2 be Hilbert …   Wikipedia

• Энтропия Реньи — В теории информации, энтропия Реньи, обобщение энтропии Шеннона, является одним из семейства функционалов для количественного разнообразия неопределенности или случайности системы. Она названа в честь Альфреда Реньи. Энтропия Реньи порядка α, где …   Википедия

• Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …   Universalium

• Introduction to quantum mechanics — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Quantum mechanics. Quantum mechanics …   Wikipedia