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On thermal fluctuations in quantum magnets

Abstract:

The effect of thermal fluctuations on the dynamics of a gapped quantum magnet is studied using inelastic neutron scattering on copper nitrate, a model material for the one-dimensional (1D) bond alternating Heisenberg chain, combined with theoretical and numerical analysis. We observe and interpret the thermally induced central peak due to intraband scattering as well as the thermal development of an asymmetric continuum of scattering. We relate this asymmetric line broadening to hard core con...

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Publication status:
Not published
Peer review status:
Not peer reviewed
Version:
Author's original

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Authors


Tennant, DA More by this author
Notbohm, S More by this author
James, AJA More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Theoretical Physics
ORCID:
0000-0002-1127-5830
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Pubs id:
pubs:885705
URN:
uri:0082b76b-59f4-4dcf-9a6e-556569632029
UUID:
uuid:0082b76b-59f4-4dcf-9a6e-556569632029
Local pid:
pubs:885705
Keywords:

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