• DOI:10.1103/PhysRevA.74.012313
Corpus ID: 119443360

Geometrical aspects of entanglement

@article{Leinaas2006GeometricalAO,
  title={Geometrical aspects of entanglement},
  author={J. Leinaas and J. Myrheim and E. Ovrum},
  journal={Physical Review A},
  year={2006},
  volume={74},
  pages={012313}
}

J. Leinaas, J. Myrheim, E. Ovrum

Published 2006

Physics

Physical Review A

We study geometrical aspects of entanglement, with the Hilbert–Schmidt norm defining the metric on the set of density matrices. We focus first on the simplest case of two two-level systems and show that a “relativistic” formulation leads to a complete analysis of the question of separability. Our approach is based on Schmidt decomposition of density matrices for a composite system and nonunitary transformations to a standard form. The positivity of the density matrices is crucial for the method… CONTINUE READING

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