Dispersive excitations in the high-temperature superconductor La 2-xSrxCuO4

N. B. Christensen, D. F. McMorrow, H. M. Rønnow, B. Lake, S. M. Hayden, G. Aeppli, T. G. Perring, M. Mangkorntong, Minoru Nohara, H. Takagi

Research output: Contribution to journalArticle

132 Citations (Scopus)

Abstract

The use of high-resolution neutron scattering for the dispersive excitations in high-temperature superconductor La2-xSr xCuO4 was analyzed. Investigations show that the associated velocity in La2-xSrxCuO4 was weakly dependent on doping. It was found that the excitations broaden rapidly with the increasing energy and bear a remarkable resemblance to multiparticle excitations observed in 1D S = 1/2 antiferromagnets. The results show that the spin and electronic response functions measured by the neutrons for different materials, displayed nearly identical dispersions.

Original languageEnglish
JournalPhysical Review Letters
Volume93
Issue number14
DOIs
Publication statusPublished - Oct 1 2004
Externally publishedYes

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high temperature superconductors
excitation
bears
neutron scattering
neutrons
high resolution
electronics
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Christensen, N. B., McMorrow, D. F., Rønnow, H. M., Lake, B., Hayden, S. M., Aeppli, G., ... Takagi, H. (2004). Dispersive excitations in the high-temperature superconductor La 2-xSrxCuO4. Physical Review Letters, 93(14). https://doi.org/10.1103/PhysRevLett.93.147002

Dispersive excitations in the high-temperature superconductor La 2-xSrxCuO4. / Christensen, N. B.; McMorrow, D. F.; Rønnow, H. M.; Lake, B.; Hayden, S. M.; Aeppli, G.; Perring, T. G.; Mangkorntong, M.; Nohara, Minoru; Takagi, H.

In: Physical Review Letters, Vol. 93, No. 14, 01.10.2004.

Research output: Contribution to journalArticle

Christensen, NB, McMorrow, DF, Rønnow, HM, Lake, B, Hayden, SM, Aeppli, G, Perring, TG, Mangkorntong, M, Nohara, M & Takagi, H 2004, 'Dispersive excitations in the high-temperature superconductor La 2-xSrxCuO4', Physical Review Letters, vol. 93, no. 14. https://doi.org/10.1103/PhysRevLett.93.147002
Christensen NB, McMorrow DF, Rønnow HM, Lake B, Hayden SM, Aeppli G et al. Dispersive excitations in the high-temperature superconductor La 2-xSrxCuO4. Physical Review Letters. 2004 Oct 1;93(14). https://doi.org/10.1103/PhysRevLett.93.147002
Christensen, N. B. ; McMorrow, D. F. ; Rønnow, H. M. ; Lake, B. ; Hayden, S. M. ; Aeppli, G. ; Perring, T. G. ; Mangkorntong, M. ; Nohara, Minoru ; Takagi, H. / Dispersive excitations in the high-temperature superconductor La 2-xSrxCuO4. In: Physical Review Letters. 2004 ; Vol. 93, No. 14.
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