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Related papers: Carrier-Envelope-Phase Dependent Strong-Field Exci…

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We focus on the propagation properties of a single-cycle laser pulse through a two-level medium by numerically solving the full-wave Maxwell-Bloch equations. The counter-rotating terms in the spontaneous emission damping are included such…

Optics · Physics 2015-06-05 Ni Cui , Mihai A. Macovei

We present numerical simulations of ultrafast multiphoton ionization dynamics in a two-dimensional atomic model driven by co- and counterrotating circularly polarized single-color and bichromatic carrier envelope phase (CEP) stable…

Atomic Physics · Physics 2020-07-15 T. Bayer , Ch. Philipp , K. Eickhoff , M. Wollenhaupt

Solar Energetic Particle (SEP) acceleration and injection into interplanetary space during gradual SEP events is thought to take place at Coronal Mass Ejection (CME)-driven shocks. Features of measured intensity profiles at 1 au have been…

Solar and Stellar Astrophysics · Physics 2023-03-01 Adam Hutchinson , Silvia Dalla , Timo Laitinen , Charlotte O. G. Waterfall

If one-electron observables of a many-electron system are of interest, a many-electron dynamics can be represented exactly by a one-electron dynamics with effective potentials. The formalism for this reduction is provided by the Exact…

Chemical Physics · Physics 2021-01-04 Jakub Kocák , Axel Schild

We have measured magneto-optical signals obtained by exciting the $D_1$ line of cesium atoms confined to an extremely thin cell (ETC), whose walls are separated by less than one micrometer, and developed an improved theoretical model to…

Atomic Physics · Physics 2015-03-05 M. Auzinsh , A. Berzins , R. Ferber , F. Gahbauer , U. Kalnins , L. Kalvans , R. Rundans , D. Sarkisyan

In this article we present a closed analytical description for few-cycle, focused electromagnetic pulses of arbitrary duration and carrier-envelope-phase (CEP). Because of the vectorial character of light, not all thinkable one-dimensional…

Classical Physics · Physics 2011-08-10 Daniel an der Brügge , Alexander Pukhov

We reveal a wealth of nonlinear and recoil effects in the interaction between individual low-energy electrons and samples comprising a discrete number of states. Adopting a quantum theoretical description of combined free-electron and…

Quantum Physics · Physics 2022-09-12 F. Javier García de Abajo , Eduardo J. C. Dias , Valerio Di Giulio

The entanglement spectrum serves as a powerful tool for probing the structure and dynamics of quantum many-body systems, revealing key information about symmetry, topology, and excitations. While the entanglement entropy (EE) of ground…

A proposal for a novel source of isolated attosecond XUV -- soft X-ray pulses with a well controlled carrier-envelope phase difference (CEP) is presented in the framework of nonlinear Thomson-backscattering. Based on the analytic solution…

Atomic Physics · Physics 2019-05-07 Szabolcs Hack , Sándor Varró , Attila Czirják

We use three dimensional time-dependent Schr\"odinger equation (3D--TDSE) to calculate angular electron momentum distributions and photoelectron spectra of atoms driven by spatially inhomogeneous fields. An example for such inhomogeneous…

Atomic Physics · Physics 2013-06-26 M. F. Ciappina , J. A. Pérez-Hernández , T. Shaaran , L. Roso , M. Lewenstein

In atomically thin semiconductors based on transition metal dichalcogenides, photoexcitation can be used to generate high densities of electron-hole pairs. Due to optical nonlinearities, which originate from Pauli blocking and many-body…

Mesoscale and Nanoscale Physics · Physics 2020-12-15 Daniel Erben , Alexander Steinhoff , Michael Lorke , Frank Jahnke

We investigated the influence of sub-cycle driving fields on high-order harmonic generation (HHG), with a focus on intrinsic chirp, carrier-envelope phase (CEP), and number of laser cycles. Our findings reveals that the center frequency of…

Optics · Physics 2025-12-08 Rambabu Rajpoot , Eiji J. Takahashi

The Energetic Particle Radiation Environment Model (EPREM) solves the focused transport equation (FTE) on a Lagrangian grid in a frame co-moving with the solar wind plasma and simulates the acceleration and transport of solar energetic…

Solar and Stellar Astrophysics · Physics 2026-03-18 Matthew A. Young , Bala Poduval

We present a novel electron injection scheme for plasma wakefield acceleration. The method is based on recently proposed technique of fast electron generation via laser-solid interaction: a femtosecond laser pulse with the energy of tens of…

Plasma Physics · Physics 2022-03-14 V. Khudiakov , A. Pukhov

Relativistic heavy-ion collisions produce quark-gluon plasma (QGP), which is locally thermalized. Due to electrically charged particles (quarks), QGP exhibits interesting thermoelectric phenomena during its evolution, resulting in an…

High Energy Physics - Phenomenology · Physics 2025-01-03 Kamaljeet Singh , Jayanta Dey , Raghunath Sahoo

Entropy production in the compression stage of heavy ion collisions is discussed within three distinct macroscopic models (i.e. generalized RHTA, geometrical overlap model and three-fluid hydrodynamics). We find that within these models…

Nuclear Theory · Physics 2009-10-31 M. Reiter , A. Dumitru , J. Brachmann , J. A. Maruhn , H. Stöcker , W. Greiner

The reflection and transmission of a few-cycle Ti:Sa laser pulse iminging on a thin plasma layer have been analysed on the basis of classical electrodynamics. An approximate analytic solution has been given for the coupled Maxwell-Lorentz…

Plasma Physics · Physics 2011-11-09 Sandor Varro

We develop an energy-space density matrix framework to investigate the interaction of extremely short optical pulses (ESPs) with transparent conducting oxides (TCOs). This approach captures not only electron populations, material…

Optics · Physics 2026-02-27 Ieng-Wai Un , Subhajit Sarkar , Yonatan Sivan

We investigate the polarization dependence of the carrier excitation and relaxation in epitaxial multilayer graphene. Degenerate pump-probe experiments with a temporal resolution of 30 fs are performed for different rotation angles of the…

Using time-dependent density functional theory, applied to valence electrons, coupled non-adiabatically to molecular dynamics of the ions, we study the induced dynamics of ethylene subjected to the laser field. We demonstrate the reliable…

Atomic and Molecular Clusters · Physics 2009-03-31 Z. P. Wang , P. M. Dinh , P. -G. Reinhard , E. Suraud , F. S. Zhang
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