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By driving photoassociation transitions we form electronically excited molecules (Na$_2^*$) from ultra-cold (50-300 $\mu$K) Na atoms. Using a second laser to drive transitions from the excited state to a level in the molecular ground state,…

Statistical Mechanics · Physics 2009-11-11 R. Dumke , J. D. Weinstein , M. Johanning , K. M. Jones , P. D. Lett

We undertake a quantitative comparison of multi-fragmentation reactions, as modeled by two different approaches: the Antisymmetrized Molecular Dynamics (AMD) and the momentum-dependent stochastic mean-field (SMF) model. Fragment observables…

Nuclear Theory · Physics 2010-12-02 M. Colonna , A. Ono , J. Rizzo

A new perspective on how to manipulate molecules by means of very strong laser pulses is emerging with insights from the so-called light-induced potentials, which are the adiabatic potential energy surfaces of molecules severely distorted…

Chemical Physics · Physics 2016-03-03 Bo Y. Chang , Ignacio R. Sola , Seokmin Shin

The $^{23}$Na($\alpha,p$)$^{26}$Mg reaction has been identified as having a significant impact on the nucleosynthesis of several nuclei between Ne and Ti in type-Ia supernovae, and of $^{23}$Na and $^{26}$Al in massive stars. The reaction…

We discuss the high energy photodisintegrataion of light nuclei in which the energy of the absorbed photon is equally shared between two nucleons in the target. For these reactions we investigate the model in which photon absorption by a…

Nuclear Theory · Physics 2017-08-23 Misak M. Sargsian

By means of quantum-dynamical and classical trajectory calculations of H2+ photodissociation in strong laser fields, it is shown that for certain combinations of pulse durations and intensities the rotational dynamics can lead to…

Atomic and Molecular Clusters · Physics 2011-08-08 Michael Fischer , Ulf Lorenz , Burkhard Schmidt , Rüdiger Schmidt

Above-threshold ionization (ATI) results from strong field laser-matter interaction and it is one of the fundamental processes that may be used to extract electron structural and dynamical information about the atomic or molecular target.…

Atomic Physics · Physics 2016-01-06 Noslen Suárez , Alexis Chacón , Marcelo Ciappina , Jens Biegert , Maciej Lewenstein

We discuss radiation reaction effects on charges propagating in ultra-intense laser fields. Our analysis is based on an analytic solution of the Landau-Lifshitz equation. We suggest to measure radiation reaction in terms of a symmetry…

Classical Physics · Physics 2013-05-29 C. Harvey , T. Heinzl , M. Marklund

The impact of a laser field on the process of photon radiation by an ultra-relativistic electron in an atomic field is investigated. The angular distribution and the spectrum of the radiated photon are derived. By means of the…

High Energy Physics - Phenomenology · Physics 2020-08-07 P. A. Krachkov , A. Di Piazza , A. I. Milstein

Fragmentation of light charged particles is studied for various systems at different incident energies between 50 and 1000 MeV/nucleon. We analyze fragment production at incident energies above, below and at transition energies using the…

Nuclear Theory · Physics 2011-04-05 Karan Singh Vinayak , Suneel Kumar

The reaction systems, 64Zn + 58Ni, 64Zn + 92Mo, 64Zn + 197Au, at 26A, 35A and 47A MeV, have been studied both in experiments with a 4$\pi$ detector array, NIMROD, and with Antisymmetrized Molecular Dynamics model calculations employing…

The absorption spectra of the cold Na2 molecule dressed by a linearly polarized standing laser wave is investigated. In the studied scenario the rotational motion of the molecules is frozen while the vibrational and translational degrees of…

Chemical Physics · Physics 2020-03-18 Mariusz Pawlak , Tamás Szidarovszky , Gábor J. Halász , Ágnes Vibók

Understanding light-matter interaction in disordered photonic media allows people to manipulate light scattering and achieve exciting applications using seemingly scrambled media. As the concentration of scattering particles rises, they are…

Optics · Physics 2018-07-27 B. X. Wang , C. Y. Zhao

Atomically thin two-dimensional (2D) semiconductors are extensively investigated for opto-electronic applications that require strong light-matter interactions. In view of such applications, it is essential to understand how…

Materials Science · Physics 2022-11-16 Pieter Schiettecatte , Zeger Hens , Pieter Geiregat

The two-photon two-neutrino interaction induced by magnetic field is investigated. In particular the processes $\gamma \gamma \to \nu \bar \nu$ and $\gamma \to \gamma \nu \bar \nu$ are studied in the presence of strong magnetic field. An…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. V. Chistyakov , N. V. Mikheev

The process of photon splitting, becomes allowed in the presence of strong magnetic field. We calculate the influence of magnetized plasma on the photon splitting absorption coefficient. We calculate the refraction coefficients and…

Astrophysics · Physics 2007-05-23 Tomasz Bulik

We show that if the laser is intense enough, it may always ionize an atom or induce transitions between discrete energy levels of the atom, no matter what is its frequency. It means in the quantum transition of an atom interacting with an…

Quantum Physics · Physics 2007-05-23 Qi-Ren Zhang

Ionization of matter by energetic radiation generally causes complex secondary reactions which are hard to decipher. Using large helium nanodroplets irradiated by XUV photons, we show that the full chain of processes ensuing primary…

Atomic and Molecular Clusters · Physics 2023-07-26 L. Ben Ltaief , K. Sishodia , S. Mandal , S. De , S. R. Krishnan , C. Medina , N. Pal , R. Richter , T. Fennel , M. Mudrich

The solid electrolyte interphase SEI critically dictates the cyclability and Coulombic efficiency of sodium-metal batteries, yet its dynamic formation mechanisms and atomic-scale evolution during electrochemical cycling remain elusive due…

Materials Science · Physics 2026-04-09 Zhoulin Liu , Ziliang Wang , Zherui Chen , Jianchun Sha , Fengzijun Pan , Pingyang Zhang , Yinghe Zhang

The field of laser-matter interaction traditionally deals with the response of atoms, molecules and plasmas to an external light wave. However, the recent sustained technological progress is opening up the possibility of employing intense…

High Energy Physics - Phenomenology · Physics 2012-08-20 A. Di Piazza , C. Müller , K. Z. Hatsagortsyan , C. H. Keitel