Multipartite non-locality and entanglement signatures of a field-induced quantum phase transition

Josep Batle (), Majid Alkhambashi, Ahmed Farouk, Mosayeb Naseri and Mahmood Ghoranneviss
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Josep Batle: Departament de Física, Universitat de les Illes Balears
Majid Alkhambashi: Information Technology Department
Ahmed Farouk: Information Technology Department
Mosayeb Naseri: Kermanshah Branch, Islamic Azad University
Mahmood Ghoranneviss: Plasma Physics Research Center, Science and Research Branch, Islamic Azad University

The European Physical Journal B: Condensed Matter and Complex Systems, 2017, vol. 90, issue 2, 1-7

Abstract: Abstract Quantum correlation measures are limited in practice to a few number of parties, since no general theory is still capable of reaching the thermodynamic limit. In the present work we study entanglement and non-locality for a cluster of spins belonging to a compound that displays a magnetocaloric effect. A quantum phase transition (QPT) is induced by an external magnetic field B, in such a way that the corresponding quantum fluctuations are reproduced at a much smaller scale than the experimental outcomes, and then described by means of the aforementioned quantum measures.

Keywords: Mesoscopic; and; Nanoscale; Systems (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1140/epjb/e2017-70615-9

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