Phase diagram of bipartite entanglement
arXiv:1906.01269 · doi:10.1088/1751-8121/ab3f4e
Abstract
We investigate the features of the entanglement spectrum (distribution of the eigenvalues of the reduced density matrix) of a large quantum system in a pure state. We consider all Rényi entropies and recover purity and von Neumann entropy as particular cases. We construct the phase diagram of the theory and unveil the presence of two critical lines.
14 pages, 5 figures
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