Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach
In the last two decades non-equilibrium spectroscopies have evolved from avant-garde
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
Colloquium: Modeling the unconventional superconducting properties of expanded fullerides
The trivalent alkali fulleride solids of generic composition A 3 C 60, where C 60 is the
fullerene molecule and A= K, Rb, and Cs, are a well-established family of molecular …
fullerene molecule and A= K, Rb, and Cs, are a well-established family of molecular …
Strongly correlated superconductivity: A plaquette dynamical mean-field theory study
We use cluster dynamical mean-field theory to study the simplest models of correlated
electrons, the Hubbard model and the tJ model. We use a plaquette embedded in a medium …
electrons, the Hubbard model and the tJ model. We use a plaquette embedded in a medium …
Optical determination of the relation between the electron-boson coupling function and the critical temperature in high- cuprates
E Van Heumen, E Muhlethaler, AB Kuzmenko… - Physical Review B …, 2009 - APS
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 the glue …
glue function in the normal state, to reconstruct from the infrared optical conductivity the glue …
Doping dependent optical properties of Bi2Sr2CaCu2O8+ δ
We report on the ab-plane reflectance of the high temperature superconductor Bi 2 Sr 2
CaCu 2 O 8+ δ (Bi-2212). Measurements on samples spanning the doping range from …
CaCu 2 O 8+ δ (Bi-2212). Measurements on samples spanning the doping range from …
Revealing the high-energy electronic excitations underlying the onset of high-temperature superconductivity in cuprates
In strongly correlated systems the electronic properties at the Fermi energy (EF) are
intertwined with those at high-energy scales. One of the pivotal challenges in the field of …
intertwined with those at high-energy scales. One of the pivotal challenges in the field of …
An organizing principle for two-dimensional strongly correlated superconductivity
Superconductivity in the cuprates exhibits many unusual features. We study the two-
dimensional Hubbard model with plaquette dynamical mean-field theory to address these …
dimensional Hubbard model with plaquette dynamical mean-field theory to address these …
Signatures of the Mott transition in the antiferromagnetic state of the two-dimensional Hubbard model
The properties of a phase with large correlation length can be strongly influenced by the
underlying normal phase. We illustrate this by studying the half-filled two-dimensional …
underlying normal phase. We illustrate this by studying the half-filled two-dimensional …
Universal properties of high-temperature superconductors from real-space pairing: model and its quantitative comparison with experiment
Selected universal experimental properties of high-temperature superconducting (HTS)
cuprates have been singled out in the last decade. One of the pivotal challenges in this field …
cuprates have been singled out in the last decade. One of the pivotal challenges in this field …
Energetics of superconductivity in the two-dimensional Hubbard model
The energetics of the interplay between superconductivity and the pseudogap in high-
temperature superconductivity is examined using the eight-site dynamical cluster …
temperature superconductivity is examined using the eight-site dynamical cluster …