Entanglement-induced state ordering under local operations
نویسندگان
چکیده
منابع مشابه
Multipartite Entanglement under Stochastic Local Operations and Classical Communication
Stochastic local operations and classical communication (SLOCC), also called local filtering operations, are a convenient, useful set of quantum operations in grasping essential properties of entanglement. We give a quick overview about the characteristics of multipartite entanglement in terms of SLOCC, illustrating the 2-qubit and the rest (2 × 2 × n) quantum system. This not only includes cel...
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If two separated observers are supplied with entanglement, in the form of n pairs of particles in identical partly-entangled pure states, one member of each pair being given to each observer; they can, by local actions of each observer, concentrate this entanglement into a smaller number of maximally-entangled pairs of particles, for example EinsteinPodolsky-Rosen singlets, similarly shared bet...
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L. Lamata,* J. León, D. Salgado, and E. Solano Instituto de Matemáticas y Física Fundamental, CSIC, c/ Serrano, 113-bis, 28006 Madrid, Spain Dpto. Física Teórica, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049 Cantoblanco, Madrid, Spain Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, 85748 Garching, Germany Depto. Ciencias, Sección Física, Pontificia...
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We investigate the action of local unitary operations on multimode (pure or mixed) Gaussian states and single out the minimal number of locally invariant parametres which completely characterise the covariance matrix of such states. For pure Gaussian states, central resources for continuous-variable quantum information, we investigate separately the parametre reduction due to the additional con...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2006
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.73.012312