English
Related papers

Related papers: Polarization-dependent Intensity Ratios in Double …

200 papers

In this publication we continue the work started in Quintero Noda et al. (2017) examining this time a numerical simulation of a magnetic flux tube concentration. Our goal is to study if the physical phenomena that take place in it, in…

The beam hosing instability is analyzed theoretically for a witness beam in the quasi-linear regime of plasma accelerators. In this regime, the hosing instability saturates, even for a monoenergetic bunch, at a level much less than standard…

Plasma Physics · Physics 2018-01-04 Remi Lehe , Carl B. Schroeder , Jean-Luc Vay , Eric Esarey , Wim P. Leemans

The investigation of the spectral kinetic model of the Multipole Resonance Probe (MRP) is presented and discussed in this paper. The MRP is a radio-frequency driven probe of the particular spherical design, which is suitable for the…

Plasma Physics · Physics 2022-11-30 Junbo Gong , Michael Friedrichs , Jens Oberrath , Ralf Peter Brinkmann

We study theoretically the Faraday and Kerr rotation of a probe field due to the orbital magnetization of a two-dimensional electron gas induced by a circularly polarized pump. We develop a microscopic theory of these effects in the…

Mesoscale and Nanoscale Physics · Physics 2024-03-08 M. V. Durnev

Inhomogeneities can influence the polarisation emerging from a synchrotron source. However, it is shown that the frequency distribution of circular polarisation is only marginally affected, although its magnitude may change substantially.…

High Energy Astrophysical Phenomena · Physics 2020-05-13 C. -I. Bjornsson

In this letter, the impact of pump configuration on the modal instabilities (MI) threshold of high power fiber amplifiers is investigated. Using a time dependent computer model based on the optical beam propagation method (BPM), the effect…

Many experimental studies of protein deposition on solid surfaces involve alternating adsorption/desorption steps. In this paper, we investigate the effect of a desorption step (separating two adsorption steps) on the kinetics, the…

Statistical Mechanics · Physics 2009-10-31 Paul R. Van Tassel , Pascal Viot , Gilles Tarjus , Jeremy J. Ramsden , Julian Talbot

We investigate the role of nuclear motion and strong-field-induced electronic couplings during the double ionization of deuterated water using momentum-resolved coincidence spectroscopy. By examining the three-body dicationic dissociation…

Using the model of parametric interaction based on the spatio-spectral Schmidt modes and generalized parametric approximation, we analyze coherence and mode structure of ultra-intense twin beams generated in the regime with pump depletion.…

Quantum Physics · Physics 2017-09-26 Jan Perina

Coherence among rotational ion channels during photoionization is exploited to control the anisotropy of the resulting photoelectron angular distributions at specific photoelectron energies. The strategy refers to a robust and single…

Chemical Physics · Physics 2019-09-11 R. Chamakhi , M. Telmini , O. Atabek , E. Charron

We present a quantum Monte Carlo study of two-dimensional dipolar Bose gases in the limit of zero temperature. The analysis is mainly focused on the anisotropy effects induced in the homogeneous gas when the polarization angle with respect…

Quantum Gases · Physics 2015-06-11 A. Macia , F. Mazzanti , J. Boronat

The temporal dynamics of double ionization of H2 has been investigated both experimentally and theoretically with few-cycle laser pulses. The main observables are the proton spectra associated to the H^+ + H^+ fragmentation channel. The…

Quantum Physics · Physics 2008-09-23 Sébastien Saugout , Eric Charron , Christian Cornaggia

We discuss techniques that allow for long coherence times in laser spectroscopy experiments with two trapped ions. We show that for this purpose not only entangled ions prepared in decoherence-free subspaces can be used but also a pair of…

Quantum Physics · Physics 2011-11-10 M. Chwalla , K. Kim , T. Monz , P. schindler , M. Riebe , C. F. Roos , R. Blatt

Absorption imaging of ultracold atoms is the foundation for quantitative extraction of information from experiments with ultracold atoms. Due to the limited exposure time available in these systems, the signal-to-noise ratio is largest for…

We present an effective linear response approach to pump-probe femtosecond coherence spectroscopy in the well separated pulse limit. The treatment presented here is based on a displaced and squeezed state representation for the…

Chemical Physics · Physics 2009-11-06 Anand T. N. Kumar , Florin Rosca , Allan Widom , Paul M. Champion

Active polarimetric imagery is a powerful tool for accessing the information present in a scene. Indeed, the polarimetric images obtained can reveal polarizing properties of the objects that are not avalaible using conventional imaging…

Information Retrieval · Computer Science 2016-08-16 Muriel Roche , Philippe Réfrégier

In this work we study numerically the influence of a homogeneous electrical field on the fluid and heat transfer phenomena at macroscale and mesoscale during unidirectional solidification of a binary metal alloy. The numerical results…

Materials Science · Physics 2007-07-04 P. A. Nikrityuk , K. Eckert , R. Grundmann

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

The hybrid Stimulated Raman Scattering - Two Plasmon Decay instability had shown to play the dominant role for plasma waves excitation and energy absorption at interaction of very intense femtosecond obliquely incident $p$-polarized laser…

Plasma Physics · Physics 2021-01-04 I. Tsymbalov , D. Gorlova , A. Savel'ev

The pumping intensity (I) dependence of the photoluminescence (PL) spectra of perfectly laterally two-dimensionally ordered SiGe quantum dots on Si(001) substrates was studied. The PL results from recombinations of holes localized in the…

Mesoscale and Nanoscale Physics · Physics 2012-09-28 P. Klenovský , M. Brehm , V. Křápek , E. Lausecker , D. Munzar , F. Hackl , H. Steiner , T. Fromherz , G. Bauer , J. Humlíček
‹ Prev 1 8 9 10 Next ›