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Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Braun, H. B.; Kulda, J.; Roessli, B.; Visser, D.; Kr̈amer, K. W.; G̈udel, H. U.; B̈oni, P.
Titel:
Chiral Quantum Excitations in the Anisotropic Antiferromagnet {{CsCoBr3}}
Abstract:
Chirality is shown to emerge as a novel degree of freedom of a quantum soliton in the anisotropic spin-12 compound CsCoBr3. The soliton chirality, detected via polarized neutron scattering, is in agreement with theoretical predictions and is a manifestation of Berry's phase. Our observations provide an explicit example of the emergence of spin currents and hidden chiral order that accompany the disappearance of antiferromagnetic order.
Stichworte:
Neutron scattering,Chirality,Antiferromagnet,Low-dimensional magnetism,Soliton
Zeitschriftentitel:
Journal of Magnetism and Magnetic Materials
Jahr:
2007
Band / Volume:
310
Monat:
mar
Heft / Issue:
2, Part 2
Seitenangaben Beitrag:
1194
Volltext / DOI:
doi:10.1016/j.jmmm.2006.10.307
Print-ISSN:
0304-8853
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