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Glide symmetry breaking and Ising criticality in the quasi-1D magnet CoNb2O6

Abstract:

We construct a microscopic spin-exchange Hamiltonian for the quasi–one-dimensional (1D) Ising magnet CoNb2O6 that captures detailed and hitherto-unexplained aspects of its dynamic spin structure factor. We perform a symmetry analysis that recalls that an individual Ising chain in this material is buckled, with two sites in each unit cell related by a glide symmetry. Combining this with numerical simulations benchmarked against neutron scattering experiments, we argue that the single-chain Ham...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1073/pnas.2007986117

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Oxford college:
Hertford College
Role:
Author
Publisher:
National Academy of Sciences Publisher's website
Journal:
Proceedings of the National Academy of Sciences Journal website
Volume:
117
Issue:
41
Pages:
25219-25224
Publication date:
2020-09-25
Acceptance date:
2020-08-18
DOI:
ISSN:
0027-8424
Language:
English
Keywords:
Pubs id:
1127211
Local pid:
pubs:1127211
Deposit date:
2020-08-19

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