Evidence for Dynamic Charge Stripes in the Phonons of Optimally Doped YBCO

2003/08/18 by L. Pintschovius, Pintschovius, L., Y. Endoh +17 · 1 citation
Engineering · Physics and Astronomy · #Advanced Condensed Matter Physics #FOS: Physical sciences #Physics of Superconductivity and Magnetism #Strongly Correlated Electrons (cond-mat.str-el) #Superconducting Materials and Applications #cond-mat.str-el

paper · pdf · doi:10.48550/arxiv.cond-mat/0308357

5 pages, 5 figures

arxiv created 2003/08/18 · openalex publication_date 2003/08/18 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Inelastic neutron scattering investigations on optimally doped YBCO revealed a very pronounced temperature dependence in the Cu-O in-plane bond-stretching vibrations along the (010) direction: a shift of spectral weight by at least 10 meV has been observed in a narrow range of wave vectors halfway to the zone boundary. The temperature evolution starts at about 200 K, well above the superconducting transition temperature. The displacement pattern of the anomalous phonons indicates a dynamic one-dimensional charge-density modulation within the planes, but excludes a direct contribution from the Cu-O chains.

Cited by

• Electron–phonon coupling reflecting dynamic charge inhomogeneity in copper oxide superconductors

Related

• Phonon Signature of Charge Inhomogeneity in High Temperature Superconductors YBa2Cu3O6+x
• Oxygen Phonon Branches in Detwinned YBa2Cu3O7
• Anisotropy in the electronic screening of oxygen lattice modes in YBa(2)Cu(3)O(6.95)
• Origin and roles of a strong electron-phonon interaction in cuprate oxide superconductors
• Hybridization of lattice and charge order excitations in a superconducting cuprate