Neutron scattering in the hole-doped cuprate superconductors

Details Neutron scattering in the hole-doped cuprate superconductors Neutron scattering in the hole-doped cuprate superconductors

2010-05-04

arxiv.org/abs/1005.0601v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, no figures

Scientific paper

The occurrence of a neutron resonance energy is a common feature of unconventional superconductors. In turn, the low-temperature incommensurate sharp peaks observed in the inelastic neutron scattering of La$_{2-x}$Sr$_x$CuO$_4$ (LSCO) correspond to four rods symmetrically distributed around $[\pi,\pi]$. Here it is shown that within the virtual-electron pair quantum liquid recently introduced the neutron resonance energy and the LSCO low-temperature incommensurate sharp peaks are generated by simple and closely related spinon processes. Our results indicate that in LSCO the neutron resonance energy either does not occur or corresponds to a lower energy $\approx 17$ meV.

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