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Spinon confinement and a sharp longitudinal mode in Yb(2)Pt(2)Pb in magnetic fields
The fundamental excitations in an antiferromagnetic chain of spins-1/2 are spinons, de-confined fractional quasiparticles that when combined in pairs, form a triplet excitation continuum. In an Ising-like spin chain the continuum is gapped and the ground state is Néel ordered. Here, we report high r...
Autores principales: | Gannon, W. J., Zaliznyak, I. A., Wu, L. S., Feiguin, A. E., Tsvelik, A. M., Demmel, F., Qiu, Y., Copley, J. R. D., Kim, M. S., Aronson, M. C. |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6408591/ https://www.ncbi.nlm.nih.gov/pubmed/30850591 http://dx.doi.org/10.1038/s41467-019-08715-y |
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