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Large-Scale Psychological Differences Within China Explained by Rice Versus Wheat Agriculture
One-band tight-binding model parametrization of the high-Tc cuprates, including the effect of kz-dispersion
We discuss the effects of interlayer hopping and the resulting kz dispersion in the cuprates within the framework of the one-band tight-binding model Hamiltonian. Specific forms of the dispersion…
A survey of the Van Hove scenario for high-tc superconductivity with special emphasis on pseudogaps and striped phases
- R. Markiewicz
- 28 November 1996
Fermi Surface and Pseudogap Evolution in a Cuprate Superconductor
Under the Dome The superconducting transition temperature Tc of copper oxides has a dome-shaped dependence on chemical doping. Whether there is a quantum critical point (QCP) beneath the dome, and…
Imaging the Impact of Single Oxygen Atoms on Superconducting Bi2+ySr2–yCaCu2O8+x
- I. Zeljkovic, Zhijun Xu, J. Wen, G. Gu, R. Markiewicz, J. Hoffman
- Physics, Materials ScienceScience
- 20 July 2012
It is shown that the nanoscale spatial variations in the pseudogap states are correlated with disorder in these dopant concentrations, particularly that of apical oxygen vacancies, and this range is extended to reveal the positions of the remaining oxygen defects in Bi2+ySr2-yCaCu2O8+x.
Hierarchy of Multiple Many-Body Interaction Scales in High-Temperature Superconductors
To date, angle-resolved photoemission spectroscopy has been successful in identifying energy scales of the many-body interactions in correlated materials, focused on binding energies of up to a few…
Spectroscopic evidence for negative electronic compressibility in a quasi-three-dimensional spin-orbit correlated metal.
Evidence from angle-resolved photoemission spectroscopy for negative electronic compressibility (NEC) in the quasi-three-dimensional (3D) spin-orbit correlated metal (Sr1-xLax)3Ir2O7 points to a distinct pathway towards an uncharted territory of NEC featuring bulk correlated metals with unique potential for applications in low-power nanoelectronics and novel metamaterials.
Bilayer splitting and coherence effects in optimal and underdoped Bi₂Sr₂CaCu₂O₈+δ
We have carried out extensive high-resolution angle-resolved photoemission (ARPES) experiments on Bi 2 SrCaCu 2 O 8 + δ samples, covering the entire doping range from the overdoped to the optimally…
Nodeless d-wave superconducting pairing due to residual antiferromagnetism in underdoped Pr2-xCexCuO4-delta.
This work investigates the doping dependence of the penetration depth versus temperature in electron-doped Pr(2-x)Ce(x)CuO(4-delta) using a model which assumes the uniform coexistence of (mean-field) antiferromagnetism and superconductivity and finds nodeless behavior of the low-T penetration depth in the underdoped case.