The two-component physics in cuprates in the real space and in the momentum representation

Details The two-component physics in cuprates in the real space and in the momentum representation The two-component physics in cuprates in the real space and in the momentum representation

2008-01-11

arxiv.org/abs/0801.1728v1

Physics

Condensed Matter

Superconductivity

8 pages, 6 figures, reported at LEHTSC 2007 conference (Tsukuba), submitted to Journal of Physics: Conference Series

Scientific paper

Gradual evolution of two phase coexistence between dynamical and static regimes in cuprates is first investigated in the real space by making use of the available neutron scattering, NMR and mSR data. Analysis of the Hall effect and the ARPES spectra reveals the presence of two groups of charge carriers in LSCO. The T-dependent component is due to the thermal activation of bound electron-hole structures seen near antinodal points in the Brillouin zone, thus introducing the two-component physics also for the momentum representation. Interpretation of so-called "van Hove bands" undergoes drastic changes. Importance of the findings for pseudo-gap physics is stressed. Relation to some recent STM and STS results is discussed.

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