Current spinon-holon description of the one-dimensional charge-transfer insulator SrCuO2: Angle-resolved photoemission measurements

Abstract

We have investigated the low-energy electronic structure of the strongly correlated one-dimensional copper oxide chain compound SrCuO2 by angle resolved photoemission as a function of excitation energy. In addition to the prominent spinon-holon continuum we observe a peaklike and dispersive feature at the zone boundary. By fine-tuning the experimental parameters we are able to monitor the full holon branch and to directly measure the electronic hopping parameter with unprecedented accuracy.

18 pages, 3 Figures

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Cited by in corpus (11)

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• Heat transport of cuprate-based low-dimensional quantum magnets with strong exchange coupling
• Disorder-induced Spin Gap in the Zigzag Spin-1/2 Chain Cuprate Sr_{0.9}Ca_{0.1}CuO_2
• Multi-spinon and holon excitations probed by resonant inelastic x-ray scattering on doped one-dimensional antiferromagnets
• Spin-independent v-representability of Wigner crystal oscillations in one-dimensional Hubbard chains: The role of spin-charge separation
• Properties of the one-dimensional Hubbard model: cellular dynamical mean-field description
• Spectroscopic signatures of next-nearest-neighbor hopping in the charge and spin dynamics of doped one-dimensional antiferromagnets
• Spin-charge decoupling and the photoemission line-shape in one dimensional insulators
• Theory of the waterfall phenomenon in cuprate superconductors
• The fate of the spin polaron in the 1D antiferromagnets
• Single-hole spectral functions in one-dimensional quantum magnets with different ground states