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Control of entanglement transitions in quantum spin clusters

Irons, Hannah R., Quintanilla, Jorge, Perring, Toby G., Amico, Luigi, Aeppli, Gabriel (2017) Control of entanglement transitions in quantum spin clusters. Physical Review B: Condensed Matter and Materials Physics, 96 (22). p. 224408. ISSN 0163-1829. (doi:10.1103/PhysRevB.96.224408) (KAR id:61595)

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Quantum spin clusters provide a new platform for the experimental study of many-body entanglement. Here we address a simple model of a single-molecule nano-magnet featuring N interacting spins in a transverse field. The field can control an entanglement transition (ET). We calculate the magnetisation, low-energy gap and neutron-scattering cross-section and find that the ET has distinct signatures, detectable at temperatures as high as 5% of the interaction strength. The signatures are stronger for smaller clusters.

Item Type: Article
DOI/Identification number: 10.1103/PhysRevB.96.224408
Additional information: This manuscript is the version accepted for publication.
Uncontrolled keywords: Physics of Quantum Materials, quantum entanglement, quantum critical point, quantum phase transition, clustered quantum materials, molecular nanomagnets, quantum magnets, neutron scattering, magnetisation, quantum information
Subjects: Q Science > QC Physics > QC173.45 Condensed Matter
Q Science > QC Physics > QC176 Solid state physics
Q Science > QC Physics
Q Science > QC Physics > QC174.12 Quantum theory
Q Science > QC Physics > QC176.8.N35 Nanoscience, nanotechnology
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Funders: Organisations -1 not found.
Organisations -1 not found.
Depositing User: Jorge Quintanilla Tizon
Date Deposited: 02 May 2017 15:44 UTC
Last Modified: 09 Dec 2022 05:27 UTC
Resource URI: (The current URI for this page, for reference purposes)
Quintanilla, Jorge:
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