- Abstract:
-
The frustrated pyrochlore magnet $Yb_{2}Ti_{2}O_{7}$ has the remarkable property that it orders magnetically but has no propagating magnons over wide regions of the Brillouin zone. Here we use inelastic neutron scattering to follow how the spectrum evolves in cubic-axis magnetic fields. At high fields we observe, in addition to dispersive magnons, a two-magnon continuum, which grows in intensity upon reducing the field and overlaps with the one-magnon states at intermediate fields leading to ...
Expand abstract - Publication status:
- Published
- Peer review status:
- Peer reviewed
- Version:
- Accepted manuscript
- Files:
-
-
(pdf, 7.9mb)
-
- Publisher copy:
- 10.1103/physrevlett.119.057203
-
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- Grant:
- EP/H014934/1, EP/M020517/1, EP/K028960/1
- Publisher:
- American Physical Society Publisher's website
- Journal:
- Physical Review Letters Journal website
- Volume:
- 119
- Issue:
- 5
- Pages:
- 057203
- Publication date:
- 2017-08-01
- Acceptance date:
- 2017-06-02
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- Pubs id:
-
pubs:687147
- URN:
-
uri:3dc24e81-d7b3-48c0-9fcd-24788d1dd6da
- UUID:
-
uuid:3dc24e81-d7b3-48c0-9fcd-24788d1dd6da
- Local pid:
- pubs:687147
- Language:
- English
- Keywords:
- Copyright holder:
- American Physical Society
- Copyright date:
- 2017
- Notes:
- © 2017 American Physical Society. This is the accepted manuscript version of the article. The final version is available online from APS at: [10.1103/physrevlett.119.057203]
Journal article
Quasiparticle Breakdown and Spin Hamiltonian of the Frustrated Quantum Pyrochlore $Yb_{2}Ti_{2}O_{7}$ in a Magnetic Field
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University of Oxford
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Natural Sciences and Engineering Research Council of Canada
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