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Showing 2001 · quant-phShow all
3 papers · 2 filters
quant-ph2001★ 7 cited
Separability and the stella octangula
AAsa Ericsson
A geometrical picture of separability of 2 x 2 composite quantum systems, showing the region of separable density matrices in the space of hermitian matrices, is given. It rests on…
quant-ph2001★ 47 cited
CP^n, or, entanglement illustrated
I. Bengtsson, J. Braennlund, K. Zyczkowski
We show that many topological and geometrical properties of complex projective space can be understood just by looking at a suitably constructed picture. The idea is to view CP^n a…
quant-ph2001★ 48 cited
Relativity of pure states entanglement
Karol Zyczkowski, Ingemar Bengtsson
Entanglement of any pure state of an N times N bi-partite quantum system may be characterized by the vector of coefficients arising by its Schmidt decomposition. We analyze various…