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Phonon dispersion in 1-layer cuprate HgBa2CuO4+d

Superconductivity 2009-11-10 v3 Strongly Correlated Electrons
Authors: Matteo D'Astuto , Alessandro Mirone , Paola Giura , Dorothee Colson , Anne Forget , Michael Krisch
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Abstract

We investigate the low energy acoustical and optical modes in HgBa2CuO4+δ\mathrm{HgBa_2CuO_{4+\delta}} using inelastic x-ray scattering (IXS). The experimental phonon dispersion and the dynamical structure factor are compared with an atomic shell model, and the set of the atomic potentials obtained are discussed. Our results are also compared with those obtained by Raman spectroscopy and with density-of-state data measured by inelastic neutron scattering.

Keywords

phonon modes and lattice dynamics phonon acoustics

Cite

@article{arxiv.cond-mat/0309492,
  title  = {Phonon dispersion in 1-layer cuprate HgBa2CuO4+d},
  author = {Matteo D'Astuto and Alessandro Mirone and Paola Giura and Dorothee Colson and Anne Forget and Michael Krisch},
  journal= {arXiv preprint arXiv:cond-mat/0309492},
  year   = {2009}
}

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