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We present a comprehensive study of the polarization and spatial coherence properties of the lasing modes supported by a 4-fold symmetric plasmonic lattice. By modifying only, the scattering properties of the individual particles while…

We provide a theory of the deflection of polar and non-polar rotating molecules by inhomogeneous static electric field. Rainbow-like features in the angular distribution of the scattered molecules are analyzed in detail. Furthermore, we…

化学物理 · 物理学 2015-05-20 E. Gershnabel , I. Sh. Averbukh

We investigate the phenomenology of nonlinear Compton scattering of polarised photons by unpolarised electrons in plane-wave backgrounds. The energy and angular spectra of polarised photons are calculated for linearly- and…

高能物理 - 唯象学 · 物理学 2020-08-19 B. King , S. Tang

The aim of this work is to study the possible effects and biases on the radius constraints for rotation-powered millisecond pulsars when using Thomson approximation to describe electron scattering in the atmosphere models, instead of using…

高能天体物理现象 · 物理学 2019-07-02 T. Salmi , V. Suleimanov , J. Poutanen

Of particular interest for radio and hard X-ray diagnostics of accelerated electrons during solar flares is the understanding of the basic non-linear mechanisms regulating the relaxation of electron beams propagating in turbulent plasmas.…

空间物理 · 物理学 2015-03-06 Nicolas H. Bian , Eduard P. Kontar , Heather Ratcliffe

The Compton and Thomson radiation spectra, generated in collisions of an electron beam with a powerful laser beam, are studied in the framework of quantum and classical electrodynamics, respectively. We show that there are frequency regimes…

高能物理 - 唯象学 · 物理学 2015-06-19 K. Krajewska , M. Twardy , J. Z. Kamiński

Narrowband x- and gamma-ray sources based on the inverse Compton scattering of laser pulses suffer from a limitation of the allowed laser intensity due to the onset of nonlinear effects that increase their bandwidth. It has been suggested…

等离子体物理 · 物理学 2015-06-23 D. Seipt , S. G. Rykovanov , A. Surzhykov , S. Fritzsche

The polarization dynamics of electrons including multiple nonlinear Compton scattering during the interaction of a circularly-polarized ultraintense laser pulse with a counterpropagating ultrarelativistic electron beam is investigated.…

等离子体物理 · 物理学 2023-07-10 Yan-Fei Li , Yue-Yue Chen , K. Z. Hatsagortsyan , A. Di Piazza , M. Tamburini , C. H. Keitel

We discuss the key important regimes of electromagnetic field interaction with charged particles. Main attention is paid to the nonlinear Thomson/Compton scattering regime with the radiation friction and quantum electrodynamics effects…

Twisted photons are not plane waves, but superpositions of plane waves with a defined projection hbar m of the orbital angular momentum onto the propagation axis (m is integer and may attain values m >> 1). Here, we describe in detail the…

加速器物理 · 物理学 2012-06-29 U. D. Jentschura , V. G. Serbo

For a number of physical studies which are planned to be made with the next generation colliders, it is necessary to use polarized beams of both electrons and positrons. The problem of producing and acceleration of polarized electrons may…

加速器物理 · 物理学 2007-05-23 A. P. Potylitsyn

We revisit the kinematics of Compton Scattering (electron-photon interactions producing electrons and photons in the exit channel) covering the full range of energy/momenta distribution between the two colliding particles, with a dedicated…

加速器物理 · 物理学 2024-05-02 Luca Serafini , Vittoria Petrillo

When a laser passes through underdense plasmas, Raman and Brillouin Backscattering can reflect a substantial portion of the incident laser energy. This is a major loss mechanism, for example, in employing lasers in inertial confinement…

等离子体物理 · 物理学 2016-11-03 Ido Barth , Nathaniel J. Fisch

We demonstrate a strong coherent backward wave oscillation using forward propagating fields only. This is achieved by applying laser fields to an ultra-dispersive medium with proper chosen detunings to excite a molecular vibrational…

量子物理 · 物理学 2009-11-13 Yuri V. Rostovtsev , Zoe-Elizabeth Sariyanni , Marlan O. Scully

Resonant laser scattering along with photon correlation measurements have established the atom-like character of quantum dots. Here, we present measurements which challenge this identification for a wide range of experimental parameters:…

We study coherent backscattering of a monochromatic laser by a dilute gas of cold two-level atoms in the weakly nonlinear regime. The nonlinear response of the atoms results in a modification of both the average field propagation (nonlinear…

量子物理 · 物理学 2009-11-11 Thomas Wellens , Benoit Gremaud , Dominique Delande , Christian Miniatura

Leveraging topological properties in the response of electromagnetic systems can greatly enhance their potential. Although the investigation of singularity-based electromagnetics and non-Hermitian electronics has considerably increased in…

We study coherent backscattering of a quasi-monochromatic laser by a dilute gas of cold two-level atoms. We consider the perturbative regime of weak intensities, where nonlinear effects arise from {\em inelastic} two-photon scattering…

介观与纳米尺度物理 · 物理学 2007-05-23 T. Wellens , B. Gremaud , D. Delande , C. Miniatura

Several theories of beyond-the-standard-model physics predict light scalars that couple to fermions. By extending classical electrodynamics to include an electron-scalar coupling, we calculate the nonlinear Thomson scattering of light…

高能物理 - 唯象学 · 物理学 2019-03-06 Barry M. Dillon , B. King

X-ray Thomson scattering is being developed as a method to measure the temperature, electron density, and ionization state of high energy density plasmas such as those used in inertial confinement fusion. X-ray laser sources have always…

等离子体物理 · 物理学 2015-06-12 J. Nilsen , W. R. Johnson , K. T. Cheng