The physics of the stripe quantum critical point in the superconducting cuprates

Details The physics of the stripe quantum critical point in the superconducting cuprates The physics of the stripe quantum critical point in the superconducting cuprates

2000-01-17

arxiv.org/abs/cond-mat/0001229v1

Phys. C 341-348, 1715 (2000)

Physics

Condensed Matter

Superconductivity

4 pages, 2 enclosed figures, Proceedings of M2S-HTSC

Scientific paper

10.1016/S0921-4534(00)00949-7

We elaborate on several observable consequences of the Quantum-Critical-Point scenario. In particular we show that the strong k-dependent scattering of the quasiparticles with the quasi-critical charge and spin fluctuations reproduces the main features of the low-energy spectral weights and of the observed Fermi surfaces. In the underdoped cuprates the attractive k-dependent charge scattering drives the formation of the pseudogap at the M points below the crossover temperature T^*. In this context we discuss models for pseudogap formation with relevant scattering in the particle-particle and particle-hole channels. The experimental consequences for the pair-fluctuation and for the pseudogap behavior are investigated.

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