Physics – Condensed Matter – Superconductivity
Scientific paper
1999-07-19
Physics
Condensed Matter
Superconductivity
6 pages, 1 enclosed figure, proceedings of LT22
Scientific paper
10.1016/S0921-4526(99)01572-0
We present a coherent scenario for the physics of cuprate superconductors, which is based on a charge-driven inhomogeneity, i.e. the ``stripe phase''. We show that spin and charge critical fluctuations near the stripe instability of strongly correlated electron systems provide an effective interaction between the quasiparticles, which is strongly momentum, frequency, temperature and doping dependent. This accounts for the various phenomena occurring in the overdoped, optimally and underdoped regimes both for the normal and the superconductive phase.
Caprara Sergio
Castellani Claudio
Castro Carlo Di
Grilli Marco
Perali Andrea
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