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 …
Mott materials: unsuccessful metals with a bright future
Achieving the full understanding and control of the insulator-to-metal transition in Mott
materials is key for the next generation of electronics devices, with applications ranging from …
materials is key for the next generation of electronics devices, with applications ranging from …
Field-driven Mott gap collapse and resistive switch in correlated insulators
Mott insulators are “unsuccessful metals” in which Coulomb repulsion prevents charge
conduction despite a metal-like concentration of conduction electrons. The possibility to …
conduction despite a metal-like concentration of conduction electrons. The possibility to …
Nonequilibrium steady states of electric field driven Mott insulators
We present a systematic study of the nonequilibrium steady states (NESS) in Mott insulators
driven by dc or ac electric fields, based on the Floquet dynamical mean-field theory. The …
driven by dc or ac electric fields, based on the Floquet dynamical mean-field theory. The …
Electric-field-driven resistive switching in the dissipative Hubbard model
We study how strongly correlated electrons on a dissipative lattice evolve out of equilibrium
under a constant electric field, focusing on the extent of the linear regime and hysteretic …
under a constant electric field, focusing on the extent of the linear regime and hysteretic …
Correlated Mott insulators in strong electric fields: Role of phonons in heat dissipation
We study the spectral and transport properties of a Mott insulator driven by a static electric
field into a nonequilibrium steady state. For the dissipation, we consider two mechanisms …
field into a nonequilibrium steady state. For the dissipation, we consider two mechanisms …
Dynamical mean-field theory, density-matrix embedding theory, and rotationally invariant slave bosons: A unified perspective
We present a unified perspective on dynamical mean-field theory (DMFT), density-matrix
embedding theory (DMET), and rotationally invariant slave bosons (RISB). We show that …
embedding theory (DMET), and rotationally invariant slave bosons (RISB). We show that …
Electrically driven insulator-to-metal transition in a correlated insulator: Electronic mechanism and thermal description
Motivated by the resistive switchings in transition-metal oxides (TMOs) induced by a voltage
bias, we study the far-from-equilibrium dynamics of an electric-field-driven strongly …
bias, we study the far-from-equilibrium dynamics of an electric-field-driven strongly …
Thermal dynamics and electronic temperature waves in layered correlated materials
Understanding the mechanism of heat transfer in nanoscale devices remains one of the
greatest intellectual challenges in the field of thermal dynamics, by far the most relevant …
greatest intellectual challenges in the field of thermal dynamics, by far the most relevant …
Edge state reconstruction from strong correlations in quantum spin Hall insulators
We study the fate of helical edge states in a quantum spin Hall insulators when the whole
system is exposed to strong Coulomb interactions. Using dynamical mean-field theory, we …
system is exposed to strong Coulomb interactions. Using dynamical mean-field theory, we …