NDLI: Ju n 20 01 Wigner-function description of quantum teleportation in arbitrary dimensions and continuous limit

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Ju n 20 01 Wigner-function description of quantum teleportation in arbitrary dimensions and continuous limit

Content Provider	Semantic Scholar
Author	Bužek, Vladimı́r Janszky, József
Copyright Year	2001
Abstract	We present a unified approach to quantum teleportation in arbitrary dimensions based on the Wigner-function formalism. This approach provides us with a clear picture of all manipulations performed in the telepor-tation protocol. In addition within the framework of the Wigner-function formalism all the imperfections of the manipulations can be easily taken into account. All quantum mechanical phenomena may be described in terms of quasiprob-ability distributions, as an alternative to the direct application of density matrices. Wigner functions are especially frequently applied, as they behave similarly to classical probability distributions from several points of view. For quantum states with infinite dimensional Hilbert-spaces, the application of Wigner functions has become a standard part of considerations. For finite dimensional Hilbert-spaces, the Wigner-function formalism was first investigated by Woot-ters [1]. The discrete Wigner functions have shown to be useful in investigating coherent states in a finite-dimensional basis [2], definition of Q-functions and 1
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://arxiv.org/pdf/quant-ph/0106109v1.pdf
Alternate Webpage(s)	http://arxiv.org/pdf/quant-ph/0106109v2.pdf
Alternate Webpage(s)	http://arxiv.org/pdf/quant-ph/0106109v3.pdf
Language	English
Access Restriction	Open
Subject Keyword	Coherent states Density matrix Dimensions Formal system HIV nucleoside reverse transcriptase gene mutations detected:Prid:Pt:Isolate:Nom Hilbert space Mechanical Phenomena Quantum mechanics Quantum state Quantum teleportation Semantics (computer science) Wigner quasiprobability distribution
Content Type	Text
Resource Type	Article

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