Time-resolved ARPES studies of quantum materials
Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …
the binding energy and the momentum of valence electrons in solids, provides unparalleled …
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 …
Electron-phonon coupling and energy flow in a simple metal beyond the two-temperature approximation
The electron-phonon coupling and the corresponding energy exchange are investigated
experimentally and by ab initio theory in nonequilibrium states of the free-electron metal …
experimentally and by ab initio theory in nonequilibrium states of the free-electron metal …
Theory of Floquet band formation and local pseudospin textures in pump-probe photoemission of graphene
Ultrafast materials science promises optical control of physical properties of solids.
Continuous-wave circularly polarized laser driving was predicted to induce a light-matter …
Continuous-wave circularly polarized laser driving was predicted to induce a light-matter …
Theory of parametrically amplified electron-phonon superconductivity
Ultrafast optical manipulation of ordered phases in strongly correlated materials is a topic of
significant theoretical, experimental, and technological interest. Inspired by a recent …
significant theoretical, experimental, and technological interest. Inspired by a recent …
Advancing time-and angle-resolved photoemission spectroscopy: The role of ultrafast laser development
In the last decade, there has been a proliferation of laser sources for time-and angle-
resolved photoemission spectroscopy (TR-ARPES), building on the proven capability of this …
resolved photoemission spectroscopy (TR-ARPES), building on the proven capability of this …
Eigenstate thermalization and quantum chaos in the Holstein polaron model
The eigenstate thermalization hypothesis (ETH) is a successful theory that provides
sufficient criteria for ergodicity in quantum many-body systems. Most studies were carried …
sufficient criteria for ergodicity in quantum many-body systems. Most studies were carried …
NESSi: The non-equilibrium systems simulation package
The nonequilibrium dynamics of correlated many-particle systems is of interest in connection
with pump–probe experiments on molecular systems and solids, as well as theoretical …
with pump–probe experiments on molecular systems and solids, as well as theoretical …
Theory of light-enhanced phonon-mediated superconductivity
We investigate the dynamics of a phonon-mediated superconductor driven out of
equilibrium. The electronic hop** amplitude is ramped down in time, resulting in an …
equilibrium. The electronic hop** amplitude is ramped down in time, resulting in an …
Momentum-Resolved View of Electron-Phonon Coupling in Multilayer
We investigate the interactions of photoexcited carriers with lattice vibrations in thin films of
the layered transition metal dichalcogenide (TMDC) WSe 2. Employing femtosecond …
the layered transition metal dichalcogenide (TMDC) WSe 2. Employing femtosecond …