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Anisotropic breakdown of Fermi liquid quasiparticle excitations in overdoped La2−xSrxCuO4

✍ Scribed by Chang, J.; Månsson, M.; Pailhès, S.; Claesson, T.; Lipscombe, O. J.; Hayden, S. M.; Patthey, L.; Tjernberg, O.; Mesot, J.

Book ID
121341600
Publisher
Nature Publishing Group
Year
2013
Tongue
English
Weight
482 KB
Volume
4
Category
Article
ISSN
2041-1723

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Fermi liquid description of La2−xSrxCuO4
Fermi liquid description of La2−xSrxCuO4
✍ G. Kotliar; P.A. Lee; N. Read 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 395 KB

We treat a model with orbitals on the copper and oxygen sites and hopping between them. In the limit of infinite U on the Cu site, the problem is treated using the slave boson method. In the presence of doping, we find a Fermi liquid solution with mass enhancement proportional to x -1. Low frequency