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Non-monotonic Fermi surface evolution and its correlation with stripe ordering in bilayer manganites
Z. Sun, Q. Wang, J. F. Douglas +11
In correlated electron systems such as cuprate superconductors and colossal magnetoresistive (CMR) oxides there is often a tendency for a nanoscale self-organization of electrons t…
Energy-dependent scaling of incoherent spectral weight and the origin of the waterfalls in high-Tc cuprates
Qiang Wang, Zhe Sun, Eli Rotenberg +4
The exotic physics in condensed matter systems, such as high-Tc superconductivity in cuprates, is due to the properties of the elementary excitations and their interactions. The di…
Critical change in the Fermi surface of iron arsenic superconductors at the onset of superconductivity
Chang Liu, Takeshi Kondo, Rafael M. Fernandes +10
The phase diagram of a correlated material is the result of a complex interplay between several degrees of freedom, providing a map of the material's behavior. One can understand (…
Renormalization of Bulk Magnetic Electron States at High Binding Energies
A. Hofmann, X. Y. Cui, J. Schaefer +11
The quasiparticle dynamics of electrons in a magnetically ordered state is investigated by high-resolution angle-resolved photoemission of Ni(110) at 10 K. The self-energy is extra…
Quasiparticle Transformation During a Metal-Insulator Transition in Graphene
Aaron Bostwick, Jessica L. McChesney, Konstantin Emtsev +4
Here we show, with simultaneous transport and photoemission measurements, that the graphene terminated SiC(0001) surface undergoes a metal-insulator transition (MIT) upon dosingwit…
Three- to Two-Dimensional Transition of the Electronic Structure in CaFe2As2 - parent compound for an iron arsenic high temperature superconductor
Chang Liu, Takeshi Kondo, Ni Ni +9
We use angle-resolved photoemission spectroscopy (ARPES) to study the electronic properties of CaFe2As2 - parent compound of a pnictide superconductor. We find that the structural…