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Momentum and excitation energy dependence of the "waterfalls" in cuprates
D. S. Inosov, J. Fink, A. A. Kordyuk +11
Using high-resolution angle-resolved photoemission spectroscopy we have studied the momentum and photon energy dependence of the anomalous high-energy dispersion, termed "waterfall…
Pseudogap and charge density waves in two dimensions
S. V. Borisenko, A. A. Kordyuk, A. N. Yaresko +8
An interaction between electrons and lattice vibrations (phonons) results in two fundamental quantum phenomena in solids: in three dimensions it can turn a metal into a superconduc…
Electron-electron correlation in graphite
A. Gruneis, C. Attaccalite, T. Pichler +12
The full three dimensional dispersion of the pi-bands, Fermi velocities and effective masses are measured with angle resolved photoemission spectroscopy and compared to first-princ…
"Waterfalls" phenomenon in superconducting cuprates
D. S. Inosov, A. A. Kordyuk, S. V. Borisenko +8
We show that the "waterfalls", as reported in recent ARPES studies on HTSC, can neither be described as a part of a self-consistent quasiparticle spectrum nor represent a new physi…
Disentangling surface and bulk photoemission using circularly polarized light
V. B. Zabolotnyy, S. V. Borisenko, A. A. Kordyuk +10
We show that in the angle resolved photoemission spectroscopy (ARPES) near-surface induced fields can be useful for disentangling the surface and bulk related emission. The jump of…
"Waterfalls" in cuprates
A. A. Kordyuk, S. V. Borisenko, D. Inosov +7
New hot topic in ARPES on HTSC, the observation of the so called "waterfalls", is addressed. The energy scale at about 0.2-0.3 eV that can be derived from the coherent component of…