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Related papers: Photo-Chemical Applications of Phase-Modulus Inter…

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We explore the novel capabilities offered by attosecond extreme ultraviolet and x-ray pulses that can be now generated by free-electron lasers and high-harmonics generation sources for probing photon-induced electron dynamics in molecules.…

Quantum Physics · Physics 2023-02-15 Marvin Reuner , Daria Popova-Gorelova

Over the last three decades numerous numerical methods for solving the time-dependent Schr\"{o}dinger equation within the single-active electron approximation have been developed for studying ionization of atomic targets exposed to an…

Atomic Physics · Physics 2020-08-12 B. Fetić , W. Becker , D. B. Milošević

In this paper we analyze the thermodynamic properties of a photon gas under the influence of a background electromagnetic field in the context of any nonlinear electrodynamics. Neglecting the self-interaction of photons, we obtain a general…

High Energy Physics - Phenomenology · Physics 2015-06-17 P. Niau Akmansoy , L. G. Medeiros

Optimal control experiments can readily identify effective shaped laser pulses, or "photonic reagents", that achieve a wide variety of objectives. For many practical applications, an important criterion is that a particular photonic reagent…

Quantum Physics · Physics 2014-03-05 Katharine Moore Tibbetts , Xi Xing , Herschel Rabitz

Optically induced ultrafast electronic excitations with sufficiently long lifetimes may cause strong effects on phase transitions like structural and nonmetal to metal ones. Examples are transitions diamond to graphite, graphite to…

Materials Science · Physics 2010-09-21 K. H. Bennemann

Ionization and excitation of water molecules in intense laser pulses is studied theoretically by solving the three-dimensional time-dependent electronic Schr\"odinger equation within the single-active-electron approximation. The possibility…

Atomic Physics · Physics 2011-12-13 Simon Petretti , Alejandro Saenz , Alberto Castro , Piero Decleva

We investigate the resonant quantum dynamics of a multi-qubit ensemble in a microcavity. Both the quantum-dot subsystem and the microcavity mode are pumped coherently. We found that the microcavity photon statistics depends on the phase…

Quantum Physics · Physics 2016-12-21 Viorel Ciornea , Profirie Bardetski , Mihai A. Macovei

Inverse Compton scattering of an ultra-relativistic electron in the field of a high-intensity laser produces photon beams with angular and spectral distributions that are strongly dependent on the laser intensity. Here, we show that the…

Plasma Physics · Physics 2024-07-17 K. Fleck , T. Blackburn , E. Gerstmayr , M. Bruschi , P. Grutta , M. Morandin , G. Sarri

Direct studies of intense laser-solid interactions is still of great challenges, because of the many coupled physical mechanisms, such as direct laser heating, ionization dynamics, collision among charged particles, and electrostatic or…

Plasma Physics · Physics 2017-03-16 D. Wu , X. T. He , W. Yu , S. Fritzsche

An ultrarelativistic electron beam passing through an intense laser pulse emits radiation around its direction of propagation into a characteristic angular profile. Here we show that measurement of the variances of this profile in the…

Plasma Physics · Physics 2020-07-01 T. G. Blackburn , E. Gerstmayr , S. P. D. Mangles , M. Marklund

In strong field laser physics it is a common practice to use the high-order harmonic cutoff to estimate the laser intensity of the pulse that generates the harmonic radiation. Based on the semiclassical arguments it is possible to find a…

Atomic Physics · Physics 2015-06-11 T. Shaaran , M. F. Ciappina , M. Lewenstein

Ultra-strong laser pulses can be so intense that an electron in the focused beam loses significant energy due to gamma-photon emission while its motion deviates via the radiation back-reaction. Numerical methods and tools designed to…

Plasma Physics · Physics 2012-09-11 Igor V. Sokolov , Natalia M. Naumova , John A. Nees

A fundamental issue that limits the efficiency of many photoelectrochemical systems is that the photon absorption length is typically much longer than the electron diffusion length. Various photon management schemes have been developed to…

Time-dependent quantities are calculated in the linear response limit for a correlated one dimensional model atom driven by an external quadrupolar time-dependent field. Besides the analysis of the time-evolving energy change in the…

Quantum Physics · Physics 2015-01-29 I. Nagy , I. Aldazabal , M. L. Glasser

The laser-induced fragmentation dynamics of this most fundamental polar molecule HeH$^+$ are measured using an ion beam of helium hydride and an isotopologue at various wavelengths and intensities. In contrast to the prevailing…

Chemical Physics · Physics 2018-08-21 P. Wustelt , F. Oppermann , Lun Yue , M. Möller , T. Stöhlker , S. Gräfe , M. Lein , G. G. Paulus , A. M. Sayler

Massless particles, including photons, are not governed by particle conservation law during their typical interaction with matter even at low energies, and thus have no chemical potential. However, in driven systems, near equilibrium…

Quantum Physics · Physics 2018-05-22 Chiao-Hsuan Wang , Jacob M. Taylor

The impact of stochasticity effects (SEs) in photon emissions on the proton energy spectra during laser-plasma interaction is theoretically investigated in the quantum radiation-dominated regime, which may facilitate SEs experimental…

The quantum theory of electromagnetic radiation predicts characteristic statistical fluctuations for light sources as diverse as sunlight, laser radiation and molecule fluorescence. Indeed, these underlying statistical fluctuations of light…

We investigate the stabilization of a hydrogen atom in circularly polarized laser fields. We use a time-dependent, fully three dimensional approach to study the quantum dynamics of the hydrogen atom subject to high intensity, short…

Quantum Physics · Physics 2009-11-07 Dae-Il Choi , Will Chism

We study the breakup of $\text{H}_2^+$ exposed to super-intense, femtosecond laser pulses with frequencies greater than that corresponding to the ionization potential. By solving the time-dependent Schr\"odinger equation in an extensive…

Atomic Physics · Physics 2016-04-12 Lun Yue , Lars Bojer Madsen
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