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Avalanche of entanglement and correlations at quantum phase transitions

We study the ground-state entanglement in the quantum Ising model with nearest neighbor ferromagnetic coupling J and find a sequential increase of entanglement depth d with growing J. This entanglement avalanche starts with two-point entanglement, as measured by the concurrence, and continues via th...

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Detalles Bibliográficos
Autores principales: Krutitsky, Konstantin V., Osterloh, Andreas, Schützhold, Ralf
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5473896/
https://www.ncbi.nlm.nih.gov/pubmed/28623315
http://dx.doi.org/10.1038/s41598-017-03402-8