Fourier Transformed Scanning Tunneling Peaks in the $d$-density wave phase

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In this brief note we repeat an earlier calculation of the Fourier transformed scanning tunneling spectra of the $d$-density wave (DDW) phase using a different band structure, which is more realistic and consistent with the angle resolved photoemission spectroscopy (ARPES) data. We note that four peaks, which used to be located at $(\pm π/4,0)$ and $(0, \pm π/4)$, are still present, but at positive energies their wavevectors shift to the neighborhood of $(\pm 2 π/5,0)$, $(0, \pm 2π/5)$ and slowly disperse with energy. The implications for the sensitivity with respect to the band structure are discussed.
3 pages, 3 figures, RevTex4

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Superconductivity, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/24006

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0405468
 http://arxiv.org/abs/cond-mat/0405468

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arXiv