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Quantifying and controlling entanglement in the quantum magnet Cs2CoCl4

Abstract:

The lack of methods to experimentally detect and quantify entanglement in quantum matter impedes our ability to identify materials hosting highly entangled phases, such as quantum spin liquids. We thus investigate the feasibility of using inelastic neutron scattering (INS) to implement a model-independent measurement protocol for entanglement based on three entanglement witnesses: one-tangle, two-tangle, and quantum Fisher information (QFI). We perform high-resolution INS measurements on Cs2C...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevLett.127.037201

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
127
Article number:
037201
Publication date:
2021-07-13
Acceptance date:
2021-05-25
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
1178641
Local pid:
pubs:1178641
Deposit date:
2021-05-26

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