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The spectral weight of hole doped cuprates across the pseudogap critical point
B. Michon, A. B. Kuzmenko, M. K. Tran +5
One of the most widely discussed features of the cuprate high Tc superconductors is the presence of a pseudogap in the normal state. Recent transport and specific heat measurements…
Real-time Observation of Phonon-Mediated - Interband Scattering in MgB2
Edoardo Baldini, Andreas Mann, Lara Benfatto +11
In systems having an anisotropic electronic structure, such as the layered materials graphite, graphene and cuprates, impulsive light excitation can coherently stimulate specific b…
Optics clues to pairing glues in high T cuprates
E. van Heumen, A. B. Kuzmenko, D. van der Marel
We analyze optical spectra of high temperature superconductors using a minimal model of electrons coupled to bosons. We consider the marginal Fermi liquid theory and the spin fluct…
Doping dependent optical properties of Bi2201
E. van Heumen, W. Meevasana, A. B. Kuzmenko +2
An experimental study of the in-plane optical conductivity of (Pb,Bi)(LaSr)CuO (Bi2201) is presented for a broad doping and temperature range. T…
Optical determination of the relation between the electron-boson coupling function and the critical temperature in high T cuprates
E. van Heumen, E. Muhlethaler, A. B. Kuzmenko +4
We take advantage of the connection between the free carrier optical conductivity and the glue function in the normal state, to reconstruct from the infrared optical conductivity t…
Observation of a robust peak in the glue function of the high-Tc cuprates in the 50-60 meV range
E. van Heumen, E. Muhlethaler, A. B. Kuzmenko +5
We take advantage of the connection between the free carrier optical conductivity and the glue function in the normal state, to reconstruct from the infrared optical conductivity t…