Time-resolved terahertz–Raman spectroscopy reveals that cations and anions distinctly modify intermolecular interactions of water

V Balos, NK Kaliannan, H Elgabarty, M Wolf… - Nature Chemistry, 2022 - nature.com
The solvation of ions changes the physical, chemical and thermodynamic properties of
water, and the microscopic origin of this behaviour is believed to be ion-induced …

Few-cycle 65-µJ pulses at 11.4 µm for ultrafast nonlinear longwave-infrared spectroscopy

P Fuertjes, M Bock, L von Grafenstein, D Ueberschaer… - Optica, 2022 - opg.optica.org
Low-energy excitations can provide insight into the basic ultrafast nonequilibrium dynamics
of condensed matter. High-energy femtosecond pulses in the long-wavelength infrared are …

[HTML][HTML] Two-dimensional terahertz spectroscopy of condensed-phase molecular systems

K Reimann, M Woerner, T Elsaesser - The Journal of Chemical …, 2021 - pubs.aip.org
Nonlinear terahertz (THz) spectroscopy relies on the interaction of matter with few-cycle THz
pulses of electric field amplitudes up to megavolts/centimeter (MV/cm). In condensed-phase …

Terahertz pump–probe of liquid water at 12.3 THz

F Novelli, C Hoberg, EM Adams, JM Klopf… - Physical Chemistry …, 2022 - pubs.rsc.org
The dynamical complexity of the hydrogen-bonded water network can be investigated with
intense Terahertz (THz) spectroscopy, which can drive the liquid into the nonlinear response …

Terahertz polaron oscillations of electrons solvated in liquid water

A Ghalgaoui, BP Fingerhut, K Reimann, T Elsaesser… - Physical Review Letters, 2021 - APS
The terahertz (THz) response of solvated electrons in liquid water is studied in nonlinear
ultrafast pump-probe experiments. Free electrons with concentrations from ce= 4 to 140× 10 …

Nonlinear terahertz polarizability of electrons solvated in a polar liquid

M Runge, K Reimann, M Woerner, T Elsaesser - Physical Review Letters, 2023 - APS
The nonlinear polaronic response of electrons solvated in liquid 2-propanol is studied by
two-dimensional terahertz spectroscopy. Solvated electrons with a concentration of ce≈ 800 …

Ultrafast active water pump driven by terahertz electric fields

QL Zhang, RY Yang, CL Wang, J Hu - Physical Review Fluids, 2022 - APS
A highly efficient, easy-to-implement, long-ranged and nondestructive way to realize active
pumping has been still a great challenge. Here, using molecular dynamics simulations …

Terahertz spectroscopy of thick and diluted water solutions

F Novelli - Optics Express, 2024 - opg.optica.org
While bright terahertz sources are used to perform nonlinear experiments, they can be
advantageous for high-precision linear measurements of opaque samples. By placing the …

Adaptive Variational Quantum Computing Approaches for Green's Functions and Nonlinear Susceptibilities

M Mootz, T Iadecola, YX Yao - Journal of Chemical Theory and …, 2024 - ACS Publications
We present and benchmark quantum computing approaches for calculating real-time single-
particle Green's functions and nonlinear susceptibilities of Hamiltonian systems. The …

Ultrafast carrier dynamics and symmetry reduction in bismuth by nonperturbative optical excitation in the terahertz range

M Runge, A Ghalgaoui, I Gonzalez-Vallejo… - Physical Review B, 2023 - APS
The nonlinear optical response of bismuth (Bi) in the nonperturbative regime is studied by
phase-resolved two-dimensional terahertz (THz) spectroscopy. A (111)-oriented …