## Models and Methods of High-Tc Superconductivity: Some Frontal Aspects, Volume 242The articles in this exceptional book contain regular papers, extended papers and reviews, and thus vary in length and are useful for all kinds of audience. They describe, as the book's name suggests, HTSC models and methodologies. Physical models (like extended BCS model, bipolaron model, spin bag model, RVB (resonating valence bond) model, preformed Cooper pairs and antiferromagnetic spin fluctuation (AFSF) based models, stripe phase, paired cluster (spin glass (SG) frustration based) model, Kamimura-Suwa (Hund's coupling mechanism based) model, electron-plasmon interaction, electron- phonon interaction, etc.), theoretical methods (methodologies) (like generalised BCS-Migdal-Eliashberg theory, Hubbard model, t- J model, t- t'- U model, Hubbard-Holstein model, Fermi-, non Fermi- and marginal Fermi- liquid concepts, generalised Hartree-Fock formalism, etc.) and, experimental status and methodologies are all described there. For comparison with cuprates, fullerenes, ruthenates, organic-, non Cu-containing oxide-and conventional (elemental, A15)- superconductors, molecular crystals, nickelates, manganites, borides etc. are also discussed. |

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### Contents

Coexistence of | 9 |

Extended Eliashberg Theory for DWave Superconductivity | 73 |

Nonadiabatic Superconductivity in Fullerenes Cuprates and MgB2 | 99 |

Copyright | |

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anisotropic antiferromagnetic approximation atoms band BCS theory behaviour BKBO calculated results charge carriers coherence correlation function corresponding Coulomb interaction critical temperature Cu-0 chain Cu02 plane cuprates d-wave dashed dopant hole doping effective Hamiltonian effective mass electron electron-phonon Eliashberg equations energy difference energy gap experimental results Fermi energy Fermi level Fermi liquid Fermi surface Figure frequency GHF theory Green's function Hamiltonian hole-carriers HTSC Hubbard model instability integral ions isotropic K-S model Kamimura large bipolarons lattice layers Lett localized spin LSCO magnetic field measured mechanism metallic momentum multiplets normal normal-state obtained optical orbital pairing parameter peak pellet peritectic phase phonon Phys Physics polaron potential properties pseudo-gap quasi-particles region renormalization repulsion resonance sample self-energy self-trapped carrier shown in Fig shows single crystal singlet singularity solid curve spectral density spin fluctuations stripes structure superconducting susceptibility symmetry theoretical transition tunneling under-doped YBCO