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Related papers: Molecular photodissociation enabled by ultrafast p…

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Photodissociation is the dominant removal process of molecules in any region exposed to intense ultraviolet (UV) radiation. This includes diffuse and translucent interstellar clouds, dense photon-dominated regions, high velocity shocks, the…

Instrumentation and Methods for Astrophysics · Physics 2015-02-10 Ewine F. van Dishoeck , Ruud Visser

Photodissociation of a molecule produces a spatial distribution of photofragments determined by the molecular structure and the characteristics of the dissociating light. Performing this basic chemical reaction at ultracold temperatures…

Atomic Physics · Physics 2018-01-24 M. McDonald , I. Majewska , C. -H. Lee , S. S. Kondov , B. H. McGuyer , R. Moszynski , T. Zelevinsky

We analyze how the photorelaxation dynamics of a molecule can be controlled by modifying its electromagnetic environment using a nanocavity mode. In particular, we consider the photorelaxation of the RNA nucleobase uracil, which is the…

Mesoscale and Nanoscale Physics · Physics 2020-11-12 Simone Felicetti , Jacopo Fregoni , Thomas Schnappinger , Sebastian Reiter , Regina de Vivie-Riedle , Johannes Feist

Plasmonic catalysis is a rapidly growing field of research, both from experimental and computational perspectives. Experimental observations demonstrate an enhanced dissociation rate for molecules in the presence of plasmonic nanoparticles…

Chemical Physics · Physics 2025-12-18 Natalia E. Koval , J. Iñaki Juaristi , Maite Alducin

Controlling bond breaking is a long-standing goal in molecular physics. Infrared nanocavities are currently being developed for reaching exotic coupling regimes of cavity QED with a few molecules, but it is not well understood how chemical…

Quantum Physics · Physics 2025-11-24 Johan F. Triana , Felipe Herrera

Molecular aggregates on plasmonic nanoparticles have emerged as attractive systems for the studies of cavity quantum electrodynamics. They are highly tunable, scalable, easy to synthesize and offer sub-wavelength confinement, all while…

We demonstrate detection of NaRb Feshbach molecules at high magnetic field by combining molecular photodissociation and absorption imaging of the photofragments. The photodissociation process is carried out via a spectroscopically selected…

Atomic Physics · Physics 2020-12-02 Fan Jia , Zhichao Guo , Lintao Li , Dajun Wang

We present efficient and reliable molecular dynamics simulations of the photodissociation of dichloromethane followed by Coulomb explosion. These simulations are performed by calculating trajectories on accurate potential energy surfaces of…

Chemical Physics · Physics 2025-07-22 Yijue Ding

In this paper we study, in the time domain, the interaction between localized surface plasmons and photons in arbitrarily shaped metal nanoparticles, by using the Hopfield approach to quantize the plasmon modes, where the electron…

The electronic and nuclear dynamics in methanol, following 156~nm photoexcitation, are investigated by combining a detailed analysis of time-resolved photoelectron spectroscopy experiments with electronic structure calculations. The…

We present photodissociation of ultracold long-range Rydberg molecules as a tool to characterize their electronic properties. We photoassociate K2 37P molecules with highly entangled electronic and nuclear spins of the two bound atoms and…

Atomic Physics · Physics 2021-01-07 Michael Peper , Johannes Deiglmayr

Molecular polaritons are hybrid light-matter states that emerge when a molecular transition strongly interacts with photons in a resonator. At optical frequencies, this interaction unlocks a way to explore and control new chemical phenomena…

We demonstrate that a near-dissociation photoassociation resonance can be used to create a deeply bound molecular sample of ultracold NaCs. To probe the resulting vibrational distribution of the sample, we use a new technique that can be…

It is well established that electronic conical intersections (CIs) in molecular systems can be induced by laser light, even in diatomic molecules. The emergence of these light-induced degeneracies leads to strong coupling among electronic,…

Atomic and Molecular Clusters · Physics 2026-03-12 Zoltán Király , Otabek Umarov , Csaba Fábri , Gábor J. Halász , Attila Tóth , Ágnes Vibók

The dissociation of ultracold molecules is studied by ramping an external magnetic field through a Feshbach resonance. The observed dissociation energy shows non-linear dependence on the ramp speed and directly yields the strength of the…

Soft Condensed Matter · Physics 2009-11-10 T. Mukaiyama , J. R. Abo-Shaeer , K. Xu , J. K. Chin , W. Ketterle

Chemical reactions at ultracold temperatures are expected to be dominated by quantum mechanical effects. Although progress towards ultracold chemistry has been made through atomic photoassociation, Feshbach resonances and bimolecular…

Atomic Physics · Physics 2017-03-20 M. McDonald , B. H. McGuyer , F. Apfelbeck , C. -H. Lee , I. Majewska , R. Moszynski , T. Zelevinsky

Plasmon-mediated superradiance for molecules around metallic nanospheres was proposed ten years ago. However, its demonstration has not been achieved yet due to the experimental difficulty of positioning molecules, and the theoretical…

We consider an ensemble of diatomic molecules resonantly coupled to an optical cavity under strong coupling conditions at normal incidence. Photodissociation dynamics is examined via direct numerical integration of the coupled…

Chemical Physics · Physics 2023-03-08 Maxim Sukharev , Joseph Subotnik , Abraham Nitzan

We demonstrate how dynamic Stark control (DSC) can be achieved on molecular photodissociation in the dipole limit, using single-cycle (FWHM) laser pulses in the terahertz (THz) regime. As the laser-molecule interaction follows the…

Chemical Physics · Physics 2020-03-25 A. Tóth , A. Csehi , G. J. Halász , Á. Vibók

The molecular photo cell, i.e., a single molecule donor-acceptor complex, beside being technologically important, is a paradigmatic example of a many-body system operating in strong non-equilibrium. The quantum transport and the…

Mesoscale and Nanoscale Physics · Physics 2020-07-06 Subhajit Sarkar , Yonatan Dubi
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