Subcycle dynamics of excitons under strong laser fields
Excitons play a key role in the linear optical response of two-dimensional (2D) materials.
However, their role in the nonlinear response to intense, nonresonant, low-frequency light is …
However, their role in the nonlinear response to intense, nonresonant, low-frequency light is …
The attoscience of strong-field-driven solids
The ultrafast dynamics of electrons in solid-state systems have garnered considerable
attention recently, driven by technological advancements in the generation of short laser …
attention recently, driven by technological advancements in the generation of short laser …
[HTML][HTML] Efficient computation of optical excitations in two-dimensional materials with the Xatu code
Here we describe an efficient numerical implementation of the Bethe-Salpeter equation to
obtain the excitonic spectrum of semiconductors. This is done on the electronic structure …
obtain the excitonic spectrum of semiconductors. This is done on the electronic structure …
The Wannier-Functions Software Ecosystem for Materials Simulations
Over the last two decades, following the early developments on maximally-localized
Wannier functions, an ecosystem of electronic-structure simulation techniques and software …
Wannier functions, an ecosystem of electronic-structure simulation techniques and software …
Detection of a Coherent Excitonic State in the Layered Semiconductor BiI3
The measurement and manipulation of the coherent dynamics of excitonic states constitute a
forefront research challenge in semiconductor optics and quantum-coherence-based …
forefront research challenge in semiconductor optics and quantum-coherence-based …
Formation, stability, and highly nonlinear optical response of excitons to intense light fields interacting with two-dimensional materials
Excitons play a key role in the linear optical response of 2D materials. However, their
significance in the highly nonlinear optical response to intense mid-infrared light has often …
significance in the highly nonlinear optical response to intense mid-infrared light has often …
Simulating strong-field electron-hole dynamics in solids probed by attosecond transient absorption spectroscopy
We investigate the ultrafast electron dynamics of a model of a wide-band-gap material with
inner, valence, and conduction bands excited by an intense few-femtosecond pump and …
inner, valence, and conduction bands excited by an intense few-femtosecond pump and …
Recombination of N Atoms in a Manifold of Electronic States Simulated by Time-Reversed Nonadiabatic Photodissociation Dynamics of N2
Following a single photon VUV absorption, the N2 molecule dissociates into distinct
channels leading to N atoms of different reactivities. The optically accessible singlets are …
channels leading to N atoms of different reactivities. The optically accessible singlets are …
Revealing fingerprints of valence excitons in x-ray absorption spectra with the bethe-salpeter equation
The Bethe-Salpeter equation (BSE) is a powerful theoretical approach that is capable to
accurately treat electron-hole interactions in materials in an excited state. We developed an …
accurately treat electron-hole interactions in materials in an excited state. We developed an …
Topologically protected photovoltaics in Bi nanoribbons
Photovoltaic efficiency in solar cells is hindered by many unwanted effects. Radiative
channels (emission of photons) sometimes mediated by nonradiative ones (emission of …
channels (emission of photons) sometimes mediated by nonradiative ones (emission of …