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The dynamics of fast (e, 2e) collisions, induced by the impact of twisted electron beams, on atomic hydrogen, is analyzed in the presence of a laser field with circular and linear polarization. For the (e,2e) differential cross-section…

原子物理 · 物理学 2026-03-04 Neha , Rakesh Choubisa

The successful operation of the hard x-ray self-seeding experiment at the LCLS opens the era of fully coherent hard x-ray free electron lasers (FELs). However, the shot-to-shot radiation fluctuation is still a serious issue. In this paper,…

加速器物理 · 物理学 2013-05-07 Haixiao Deng , Chao Feng

Polarization plays crucial role in light-matter interactions; hence its overall manipulation is an essential key to unlock the versatility of light manufacturing, especially in femtosecond laser direct writing. Existing polarization-shaping…

When a rather cold electron bunch is transported during laser bubble acceleration in a strongly focusing plasma channel with typical forces of 100 GeV/m, it will form partially ordered long electron cylinders due to the relativistically…

加速器物理 · 物理学 2012-06-06 D. Habs , M. M. Günther , S. Karsch , P. G. Thirolf , M. Jentschel

We analyze the strength of polarization correlations between two light beams that can be achieved in the semiclassical regime using statistical mixtures of coherent states and binary on/off detectors. Under certain symmetry assumptions, the…

The coplete analysis of the model-independent leading radiative corrections to cross-section and polarization observables in semi-inclusive deep-inelastic electron-nucleus scattering with detection of a proton and scattered electron in…

高能物理 - 唯象学 · 物理学 2014-11-17 A. V. Afanas'ev , I. Akushevich , G. I. Gakh , N. P. Merenkov

We investigate the nonlinear Compton photon source for upcoming laser-particle experiments in the collision scenario of high-energy electron beams and relativistic laser pulses. The stronger laser field could not only improve the scattering…

高能物理 - 唯象学 · 物理学 2025-05-23 Yu Xin , Zu-dong Zhao , Suo Tang

Optical beam steering is a key element in many industrial and scientific applications like in material processing, information technologies, medical imaging and laser display. Even though galvanometer-based scanners offer flexibility, speed…

We propose a model, based on a quantum stochastic differential equation (QSDE), to describe the scattering of polarized laser light by an atomic gas. The gauge terms in the QSDE account for the direct scattering of the laser light into…

量子物理 · 物理学 2013-05-29 Luc Bouten , John K. Stockton , Gopal Sarma , Hideo Mabuchi

It is shown via theory and simulation that the resonant frequency of a Free Electron Laser may be modulated to obtain an FEL interaction with a frequency bandwidth which is at least an order of magnitude greater than normal FEL operation.…

加速器物理 · 物理学 2017-06-07 L. T. Campbell , B. W. J. McNeil

Photoelectron angular distributions (PADs) of oriented polar molecules in response to different polarized lasers are systematically investigated. It is found that the PADs of polar CO molecules show three distinct styles excited by…

化学物理 · 物理学 2013-03-05 Xiaosong Zhu , Qingbin Zhang , Weiyi Hong , Peixiang Lu , Zhizhan Xu

A high degree of linear polarization measured in the optical emission is an important observational feature of blazars. It provides strong evidence of the presence of relativistic particles and magnetic field ordering in the non-thermal…

高能天体物理现象 · 物理学 2025-03-17 K K Singh , A Singh , A Tolamatti , P J Meintjes , K K Yadav

Quantum measurements that use the entangled photons' polarization to encode quantum information require calibration and alignment of the measurement bases between spatially separate observers. Because of the changing birefringence in…

量子物理 · 物理学 2023-01-25 Evan Dowling , Mark Morris , Gerald Baumgartner , Rajarshi Roy , Thomas E. Murphy

As is known, resonant scattering can distort the surface-brightness profiles of clusters of galaxies in X-ray lines. We demonstrate that the scattered line emission should be polarized and possibly detectable with near-future X-ray…

天体物理学 · 物理学 2009-11-07 S. Sazonov , E. Churazov , R. Sunyaev

We study modulation-free methods for producing sub-Doppler, dispersive line shapes for laser stabilization near the potassium D2 transitions at 767 nm. Polarization spectroscopy is performed and a comparison is made between the use of a…

原子物理 · 物理学 2012-07-19 K. Pahwa , L. Mudarikwa , J. Goldwin

We show that it is possible to generate continuous-wave fields and pulses of polarization squeezed light by sending classical, linearly polarized laser light twice through an atomic sample which causes an optical Faraday rotation of the…

量子物理 · 物理学 2011-10-13 Jacob F. Sherson , Klaus Molmer

Second-order intensity interferometry was employed to study the spatial and temporal properties of the European X-ray Free-Electron Laser (EuXFEL). Measurements were performed at the soft X-ray SASE3 undulator beamline at a photon energy of…

Polarized cross-correlation spectroscopy on a quantum dot charged with a single hole shows the sequential emission of photons with common circular polarization. This effect is visible without magnetic field, but becomes more pronounced as…

介观与纳米尺度物理 · 物理学 2015-08-31 Y. Cao , A. J. Bennett , I. Farrer , D. A. Ritchie , A. J. Shields

We present a numerical method for investigating the non-perturbative quantum mechanical interaction of light with atoms in two dimensions, without a basis expansion. This enables us to investigate intense laser-atom interactions with light…

量子物理 · 物理学 2009-10-30 M. Protopapas , D. G. Lappas , P. L. Knight

Manipulating the spin polarization of electron beams using light is highly desirable but exceedingly challenging, as the approaches proposed in previous studies using free-space light usually require enormous laser intensities. Here, we…

光学 · 物理学 2022-06-22 Deng Pan , Hongxing Xu
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