Dispersions of many-body Bethe strings

Complex bound states of magnetic excitations, known as Bethe strings, were predicted almost a century ago to exist in one-dimensional quantum magnets 1 . The dispersions of the string states have so far remained the subject of intense theoretical studies 2 – 7 . Here, by performing neutron scatterin...

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Veröffentlicht in:	Nature Phys 2020-06, Vol.16 (6), p.625-630
Hauptverfasser:	Bera, Anup Kumar, Wu, Jianda, Yang, Wang, Bewley, Robert, Boehm, Martin, Xu, Jianhui, Bartkowiak, Maciej, Prokhnenko, Oleksandr, Klemke, Bastian, Islam, A. T. M. Nazmul, Law, Joseph Mathew, Wang, Zhe, Lake, Bella
Format:	Artikel
Sprache:	eng
Schlagworte:	639/766/119/995 639/766/119/997 Antiferromagnetism Atomic Brillouin zones Classical and Continuum Physics Complex Systems Condensed Matter Physics Dispersions Excitation General Physics Ising model Letter Magnetic fields Magnetic properties Magnets Mathematical and Computational Physics Molecular Neutron scattering Neutrons Optical and Plasma Physics Physics Physics and Astronomy Spin dynamics Strings Theoretical
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