Self-generated electronic heterogeneity and quantum glassiness in the high temperature superconductors

Details Self-generated electronic heterogeneity and quantum glassiness in the high temperature superconductors Self-generated electronic heterogeneity and quantum glassiness in the high temperature superconductors

2004-10-05

arxiv.org/abs/cond-mat/0410111v1

Phys. Rev. B 72, 014536 (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

10.1103/PhysRevB.72.014536

We present a systematic study of the spin and charge dynamics of copper oxide superconductors as a function of carrier concentration $x$. Our results portray a coherent physical picture, which reveals a quantum critical point at optimum doping ($x=x_{opt}$), and the formation of an inhomogeneous glassy state at $x < x_{opt}$. This mechanism is argued to arise as an intrinsic property of doped Mott insulators, and therefore to be largely independent of material quality and level of disorder.

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