Titlebook: Symmetry and Heterogeneity in High Temperature Superconductors; Antonio Bianconi Conference proceedings 20061st edition Springer Science+B

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Feshbach Shape Resonances in Multiband High Tc Superconductorss in a quantum condensate is switched on by tuning the charge density. The superlattice structure determines the subbands and the corresponding Bloch wavefunctions of charge carriers at the Fermi level with different parity and different spatial locations. The disparity and negligible overlap betwee

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Modelling Cuprate Gaps in a Composite Two-Band Model defect states created by doping. Two defect system subbands correspond to “hot” and “cold” regions of the momentum space. Superconductivity energetic characteristics vs doping are compared to experimental findings. Transformations of two pseudogaps into superconducting and normal state gaps can be

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Multi-Gap Superconductivity on MgB2e to the enhanced interband pairing scattering. We have proposed two channel scenario of superconductivity: the conventional channel which is connected with BCS mechanism in different zone and the unconventional channel which describes the transfer or tunneling of Cooper pair between two bands.

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ELectron-Lattice Coupling in the Cupratesperconductivity. While the majority in the field still believes that the phonons and lattice are irrelevant to the superconductivity in the cuprates, such a view is strongly challenged by recent experimental results, particularly in conjunction with the increasing evidence of intrinsic electronic in

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Symmetry Breaking, Non-Adiabatic Electron-Phonon Coupling and Nuclear Kinetic Effect on Superconductabatic conditions when the Born-Oppenheimer approximation is not valid, and electronic motion is dependent not only on the nuclear coordinates but also on the nuclear momenta, the fermionic ground state energy of some systems can be stabilised by electron-phonon interactions at broken translation sy

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Microscopic Phase Separation and Two Type of Quasiparticles in Lightly Doped La2−xSrxCuO4 Observed b The narrow line is ascribed to metallic regions in the material, and its intensity increases exponentially upon cooling below ∼ 150 K. The activation energy deduced Δ = 460(50) K is nearly the same as that found in the doped superconducting regime by Raman and neutron scattering. Obtained results p

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A Case of Complex Matter: Coexistence of Multiple Phase Separations in Cupratesendency of charge carriers to form anisotropic directional bonds at preferential volumes for the formation of different “liquid phases”. We obtain the variation of the pseudogap temperature T*(δ) (for phase separation between pseudogap matter and normal matter) with hole density (δ) in agreement wit