Momentum-resolved charge excitations in a prototype one-dimensional Mott insulator

M. Z. Hasan, M. Z. Hasan, P. A. Montano, E. D. Isaacs, Z. X. Shen, H. Eisaki, S. K. Sinha, Z. Islam, N. Motoyama, S. Uchida

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Abstract

Momentum-resolved charge excitations in a one dimensional (1D) Mott insulator were studied. A high resolution inelastic x-ray scattering over the entire Brillouin zone was used to study the excitations. Excitations at the insulating gap edge were found to be highly dispersive compared to those observed in two-dimensional Mott insulators. Dispersions in 1D cuprates were consistent with models describing the motion of holons in 1D spin-1/2 Mott insulators. The results indicated the potential utility of momentum-resolved inelastic x-ray scattering in studying electronic structure of correlated insulators.

Original languageEnglish (US)
Article number177403
Pages (from-to)1774031-1774034
Number of pages4
JournalPhysical review letters
Volume88
Issue number17
DOIs
StatePublished - Apr 29 2002

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Hasan, M. Z., Hasan, M. Z., Montano, P. A., Isaacs, E. D., Shen, Z. X., Eisaki, H., Sinha, S. K., Islam, Z., Motoyama, N., & Uchida, S. (2002). Momentum-resolved charge excitations in a prototype one-dimensional Mott insulator. Physical review letters, 88(17), 1774031-1774034. [177403]. https://doi.org/10.1103/PhysRevLett.88.177403