Attosecond spectroscopy for the investigation of ultrafast dynamics in atomic, molecular and solid-state physics

R Borrego-Varillas, M Lucchini… - Reports on Progress in …, 2022 - iopscience.iop.org
Since the first demonstration of the generation of attosecond pulses (1 as= 10− 18 s) in the
extreme-ultraviolet spectral region, several measurement techniques have been introduced …

[HTML][HTML] Charge migration and charge transfer in molecular systems

HJ Wörner, CA Arrell, N Banerji, A Cannizzo… - Structural …, 2017 - pubs.aip.org
The transfer of charge at the molecular level plays a fundamental role in many areas of
chemistry, physics, biology and materials science. Today, more than 60 years after the …

Theory of strong-field attosecond transient absorption

M Wu, S Chen, S Camp, KJ Schafer… - Journal of Physics B …, 2016 - iopscience.iop.org
Attosecond transient absorption is one of the promising new techniques being developed to
exploit the availability of sub-femtosecond extreme ultraviolet (XUV) pulses to study the …

Unified theory of quantized electrons, phonons, and photons out of equilibrium: A simplified ab initio approach based on the generalized Baym-Kadanoff ansatz

PMMC de Melo, A Marini - Physical Review B, 2016 - APS
We present a full ab initio description of the coupled out-of-equilibrium dynamics of photons,
phonons, and electrons. In the present approach, the quantized nature of the …

[HTML][HTML] Attosecond absorption and reflection spectroscopy of solids

N Di Palo, G Inzani, GL Dolso, M Talarico, S Bonetti… - APL Photonics, 2024 - pubs.aip.org
Since their introduction, all-optical spectroscopy techniques based on attosecond radiation
have gained the attention of the scientific community because of their energy and time …

Polarization control of absorption of virtual dressed states in helium

M Reduzzi, J Hummert, A Dubrouil, F Calegari, M Nisoli… - Physical Review A, 2015 - APS
The extreme ultraviolet absorption spectrum of an atom is strongly modified in the presence
of a synchronized intense infrared field. In this work we demonstrate control of the …

Buildup time of Autler-Townes splitting in attosecond transient absorption spectroscopy

X Wu, Z Yang, S Zhang, X Ma, J Liu, D Ye - Physical Review A, 2021 - APS
Although the time-dependent buildup processes of Autler-Townes splitting in attosecond
transient absorption spectra have been observed in plenty of experiments, there still exists …

Ultrafast Relaxation Dynamics of the Ethylene Cation C2H4+

A Ludwig, E Liberatore, J Herrmann… - The journal of …, 2016 - ACS Publications
We present a combined experimental and computational study of the relaxation dynamics of
the ethylene cation. In the experiment, we apply an extreme-ultraviolet-pump/infrared-probe …

Polarisation response of delay dependent absorption modulation in strong field dressed helium atoms probed near threshold

ER Simpson, A Sanchez-Gonzalez… - New Journal of …, 2016 - iopscience.iop.org
We present the first measurement of the vectorial response of strongly dressed helium atoms
probed by an attosecond pulse train (APT) polarised either parallel or perpendicular to the …

Map** time-dependent quasi-energies of laser dressed helium

H Xu, W Cao, J Zhang, Y Mo, K Mi, Z Yang, Q Zhang… - Optics express, 2021 - opg.optica.org
Extreme ultraviolet (EUV) transient absorption spectrum of helium dressed by a moderately
intense infrared laser pulse is investigated. Strategies for correct retrieval of the time …