Phase diagram of bipartite entanglement

Paolo Facchi; Giorgio Parisi; Saverio Pascazio; Antonello Scardicchio; Kazuya Yuasa

Phase diagram of bipartite entanglement

Paolo Facchi, Giorgio Parisi, Saverio Pascazio, Antonello Scardicchio, Kazuya Yuasa

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Journal	Unknown Journal
Publication status	Published - 2019 Jun 4

ASJC Scopus subject areas

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title = "Phase diagram of bipartite entanglement",

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 R{\'e}nyi 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.",

author = "Paolo Facchi and Giorgio Parisi and Saverio Pascazio and Antonello Scardicchio and Kazuya Yuasa",

year = "2019",

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journal = "Nuclear Physics A",

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AU - Facchi, Paolo

AU - Parisi, Giorgio

AU - Pascazio, Saverio

AU - Scardicchio, Antonello

AU - Yuasa, Kazuya

PY - 2019/6/4

Y1 - 2019/6/4

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AB - 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.

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JO - Nuclear Physics A

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