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Magnetic structure and excitations of the topological semimetal YbMnBi2

Abstract:

We investigated the magnetic structure and dynamics of YbMnBi2, with elastic and inelastic neutron scattering, to shed light on the topological nature of the charge carriers in the antiferromagnetic phase. We confirm C-type antiferromagnetic ordering of the Mn spins below TN = 290 K and determine that the spins point along the c axis to within about 3◦. The observed magnon spectrum can be described very well by the same effective spin Hamiltonian that was used previously to model the magnon s...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevB.100.144431

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
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Name:
Engineering & Physical Sciences Research Council
Grant:
EP/J017124/1
Publisher:
American Physical Society
Journal:
Physical Review B More from this journal
Volume:
100
Issue:
14
Article number:
144431
Publication date:
2019-10-22
Acceptance date:
2019-10-04
DOI:
EISSN:
2469-9969
ISSN:
2469-9950
Keywords:
Pubs id:
pubs:1072087
UUID:
uuid:224d4342-c6e1-4c31-91d6-cf47c81375cb
Local pid:
pubs:1072087
Source identifiers:
1072087
Deposit date:
2019-11-15

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