Exact finite reduced density matrix and von Neumann entropy for the Calogero model

DOI10.1088/1751-8113/48/48/485301zbMath1329.81432arXiv1510.03644OpenAlexW2964143177WikidataQ62596727 ScholiaQ62596727MaRDI QIDQ3458737

Federico M. Pont, Anna Okopińska, Pablo Serra, Omar Osenda

Publication date: 21 December 2015

Published in: Journal of Physics A: Mathematical and Theoretical (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1510.03644

zbMATH Keywords

von Neumann entropyreduced density matrixentanglement spectrum\(N\)-particle Calogero

Mathematics Subject Classification ID

Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Many-body theory; quantum Hall effect (81V70) Groups and algebras in quantum theory and relations with integrable systems (81R12) Measures of information, entropy (94A17) Quantum coherence, entanglement, quantum correlations (81P40)

Related Items

Quasi-exact solvability and entropies of the one-dimensional regularised Calogero model, The von Neumann entropy of random multipartite graphs

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