High-temperature Superconductivity: Experiment and Theory |
Contents
Introduction | 1 |
Crystal Structure | 10 |
Transitions in La₂CuO4 Based Compounds | 18 |
Copyright | |
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absorption anisotropy antiferromagnetic approximation atom band BCS theory calculations charge carriers contribution conventional superconductors Cooper pairs copper sites copper-oxide compounds copper-oxide superconductors correlation length Coulomb correlations coupling constant CuO2 planes CuO4 d-wave decrease density described determined doping effective electron-phonon interaction energy excitations experimental Fermi surface frequency function Hamiltonian high-temperature superconductors hole concentration Hubbard model impurities in-plane increase Knight shift La₂CuO4 lattice layers Lett LSCO magnetic field measurements metallic method mode observed obtained one-particle optical order parameter orthorhombic orthorhombic phase oxide superconductors oxygen oxygen content oxygen ions phase transition phonon Phys Physica properties quasi-particle relaxation rate s-wave s-wave pairing samples scattering Sect shown in Fig single crystals singlet specific heat spectra spin fluctuations spin-lattice relaxation strong coupling studies superconducting superconducting pairing superconducting phase superconducting transition symmetry t-J model temperature dependence tetragonal theory transition temperature YBCO YBCO compounds