Interplay between single particle coherence and kinetic energy driven superconductivity in doped cuprates

Details Interplay between single particle coherence and kinetic energy driven superconductivity in doped cuprates Interplay between single particle coherence and kinetic energy driven superconductivity in doped cuprates

2004-09-07

arxiv.org/abs/cond-mat/0409143v2

Mod. Phys. Lett. B18, 895 (2004)

Physics

Condensed Matter

Superconductivity

7 pages, 3 figures, typo corrected

Scientific paper

10.1142/S0217984904007438

Within the kinetic energy driven superconducting mechanism, the interplay between the single particle coherence and superconducting instability in doped cuprates is studied. The superconducting transition temperature increases with increasing doping in the underdoped regime, and reaches a maximum in the optimal doping, then decreases in the overdoped regime, however, the values of this superconducting transition temperature in the whole superconducting range are suppressed to low temperature due to the single particle coherence. Within this superconducting mechanism, we calculate the dynamical spin structure factor of cuprate superconductors, and reproduce all main features of inelastic neutron scattering experiments in the superconducting-state.

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