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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| Official URL: http://dx.doi.org/10.1103/PhysRevB.96.224408 |
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Abstract
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: | https://kar.kent.ac.uk/id/eprint/61595 (The current URI for this page, for reference purposes) |
| Quintanilla, Jorge: |  https://orcid.org/0000-0002-8572-730X |
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