Magnon Crystallization in the Kagoine Lattice Antiferromagnet

Schnack J, Schulenburg J, Honecker A, Richter J (2020)
Physical Review Letters 125(11): 117207.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Schnack, JürgenUniBi ; Schulenburg, Joerg; Honecker, Andreas; Richter, Johannes
Abstract / Bemerkung
We present numerical evidence for the crystallization of magnons below the saturation field at nonzero temperatures for the highly frustrated spin-half kagome Heisenberg antiferromagnet. This phenomenon can be traced back to the existence of independent localized magnons or, equivalently, flatband multimagnon states. We present a loop-gas description of these localized magnons and a phase diagram of this transition, thus providing information for which magnetic fields and temperatures magnon crystallization can be observed experimentally. The emergence of a finite-temperature continuous transition to a magnon crystal is expected to be generic for spin models in dimension D > 1 where flatband multimagnon ground states break translational symmetry.
Erscheinungsjahr
2020
Zeitschriftentitel
Physical Review Letters
Band
125
Ausgabe
11
Art.-Nr.
117207
ISSN
0031-9007
eISSN
1079-7114
Page URI
https://pub.uni-bielefeld.de/record/2946112

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Schnack J, Schulenburg J, Honecker A, Richter J. Magnon Crystallization in the Kagoine Lattice Antiferromagnet. Physical Review Letters. 2020;125(11): 117207.
Schnack, J., Schulenburg, J., Honecker, A., & Richter, J. (2020). Magnon Crystallization in the Kagoine Lattice Antiferromagnet. Physical Review Letters, 125(11), 117207. doi:10.1103/PhysRevLett.125.117207
Schnack, J., Schulenburg, J., Honecker, A., and Richter, J. (2020). Magnon Crystallization in the Kagoine Lattice Antiferromagnet. Physical Review Letters 125:117207.
Schnack, J., et al., 2020. Magnon Crystallization in the Kagoine Lattice Antiferromagnet. Physical Review Letters, 125(11): 117207.
J. Schnack, et al., “Magnon Crystallization in the Kagoine Lattice Antiferromagnet”, Physical Review Letters, vol. 125, 2020, : 117207.
Schnack, J., Schulenburg, J., Honecker, A., Richter, J.: Magnon Crystallization in the Kagoine Lattice Antiferromagnet. Physical Review Letters. 125, : 117207 (2020).
Schnack, Jürgen, Schulenburg, Joerg, Honecker, Andreas, and Richter, Johannes. “Magnon Crystallization in the Kagoine Lattice Antiferromagnet”. Physical Review Letters 125.11 (2020): 117207.

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