Quantum Theory

Characterizing Entanglement and Quantum Correlations by Jordi Tura i Brugués

By Jordi Tura i Brugués

This thesis makes a speciality of the learn and characterization of entanglement and nonlocal correlations limited lower than symmetries. It contains unique effects in addition to unique tools and reasons for a couple of assorted threads of analysis: optimistic partial transpose (PPT) entanglement within the symmetric states; a unique, experimentally pleasant strategy to discover nonlocal correlations in many-body platforms; the non-equivalence among entanglement and nonlocality; and elemental monogamies of correlations. Entanglement and nonlocal correlations represent basic assets for quantum info processing, as they permit novel initiatives which are in a different way most unlikely in a classical situation. despite the fact that, their elusive characterization remains to be a important challenge in quantum details concept. the most it is because this sort of primary factor is still an impressive problem lies within the exponential progress in complexity of the Hilbert house in addition to the gap of multipartite correlations. actual structures of curiosity, however, reveal symmetries that may be exploited to minimize this complexity, beginning the chance that a few of these questions develop into tractable for such systems.

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