Long-lived electronic coherences in molecules

B Kaufman, P Marquetand, T Rozgonyi, T Weinacht - Physical Review Letters, 2023 - APS
We demonstrate long-lived electronic coherences in molecules using a combination of
measurements with shaped octave spanning ultrafast laser pulses and calculations of the …

Nonadiabatic dynamics with classical trajectories: The problem of an initial coherent superposition of electronic states

E Villaseco Arribas, NT Maitra, F Agostini - The Journal of Chemical …, 2024 - pubs.aip.org
Advances in coherent light sources and development of pump–probe techniques in recent
decades have opened the way to study electronic motion in its natural time scale. When an …

[HTML][HTML] Characterizing coherences in chemical dynamics with attosecond time-resolved x-ray absorption spectroscopy

Y Kobayashi, SR Leone - The Journal of Chemical Physics, 2022 - pubs.aip.org
Coherence can drive wave-like motion of electrons and nuclei in photoexcited systems,
which can yield fast and efficient ways to exert materials' functionalities beyond the …

Recent advances in theoretical attosecond chemistry

A Ferté, M Vacher - 2022 - books.rsc.org
In 2001, the first attosecond pulses were generated. Their application to molecules gave
birth to the field of ''attosecond chemistry''or in short ''attochemistry''. The emergence of …

Size effect in correlation-driven charge migration in correlation bands of alkyne chains

E Belles, F Rabilloud, AI Kuleff… - The Journal of Physical …, 2023 - ACS Publications
Correlation-driven charge migration initiated by inner-valence ionization leading to the
population of the correlation bands of alkyne chains containing between 4 and 12 carbon …

Charge Migration in HCCI Cations Probed by Strong Field Ionization: Time-Dependent Configuration Interaction and Vibrational Wavepacket Simulations

HB Schlegel - The Journal of Physical Chemistry A, 2023 - ACS Publications
Strong field ionization of neutral iodoacetylene (HCCI) can produce a coherent
superposition of the X and A cations and results in charge migration between the CC π …

From chiral laser pulses to femto-and attosecond electronic chirality flips in achiral molecules

Y Chen, D Haase, J Manz, H Wang, Y Yang - Nature Communications, 2024 - nature.com
Chirality is an important topic in biology, chemistry and physics. Here we show that ultrashort
circularly polarized laser pulses, which are chiral, can be fired on achiral oriented molecules …

Direct observation of entangled electronic-nuclear wave packets

G Moğol, B Kaufman, T Weinacht, C Cheng… - Physical Review …, 2024 - APS
We present momentum resolved covariance measurements of entangled electronic-nuclear
wave packets created and probed with octave spanning phaselocked ultrafast pulses. We …

The role of symmetric vibrational modes in the decoherence of correlation-driven charge migration

J Vester, V Despré, AI Kuleff - The Journal of Chemical Physics, 2023 - pubs.aip.org
Due to the electron correlation, the fast removal of an electron from a molecule may create a
coherent superposition of cationic states and in this way initiate pure electronic dynamics in …

On Hagedorn wavepackets associated with different Gaussians

J Vanicek, ZT Zhang - Journal of Physics A: Mathematical and …, 2024 - iopscience.iop.org
Hagedorn functions are carefully constructed generalizations of Hermite functions to the
setting of many-dimensional squeezed and coupled harmonic systems. Wavepackets …