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The scattering of charged solitons in the complex sine-Gordon field theory is investigated. An exact factorizable S-matrix for the theory is proposed when the renormalized coupling constant takes the values $\lambda^{2}_{R}=4\pi/k$ for any…

High Energy Physics - Theory · Physics 2010-11-01 Nicholas Dorey , Timothy J. Hollwood

The extremely high brightness temperature of fast radio bursts (FRBs) requires that their emission mechanism must be "coherent", either through concerted particle emission by bunches or through an exponential growth of a plasma wave mode or…

High Energy Astrophysical Phenomena · Physics 2022-02-02 Bing Zhang

We investigate the radiation from a charge rotating around conductors with cylindrical symmetry. First the problem is considered with a charge rotating around a conducting cylinder immersed in a homogeneous medium. The surface charge and…

Accelerator Physics · Physics 2017-06-28 A. A. Saharian , A. S. Kotanjyan , A. R. Mkrtchyan , B. V. Khachatryan

We consider the Synchrotron Self-Compton (SSC) model for jets in active galaxies in which produced $\gamma$-ray photons can be absorbed in collisions with the synchrotron radiation already at the emission region. In terms of such modified…

High Energy Astrophysical Phenomena · Physics 2014-09-30 P. Banasinski , W. Bednarek

The instantaneous angular distribution of synchrotron radiation is investigated. The radiation space is divided into two parts. The first part of the space is the interior of a cone with the apex located at the point of a radiating charge,…

Classical Physics · Physics 2020-08-26 V. G. Bagrov , A. N. Kasatkina , A. A. Pecheritsyn

We show how to calculate the first- and second-order statistics of the scattered fields for an arbitrary intensity coherent state light field interacting with a two-level system in a waveguide geometry. Specifically, we calculate the…

Optics · Physics 2012-02-17 Şükrü Ekin Kocabaş , Eden Rephaeli , Shanhui Fan

Wakefield structures are critical for beam manipulation in free-electron lasers (FELs), particularly when serving as dechirpers, where beam-induced longitudinal wakefields compensate the energy chirp introduced during beam magnetic…

A one-dimensional harmonic oscillator in a box is used to introduce the oblique-basis concept. The method is extended to the nuclear shell model by combining traditional spherical states, which yield a diagonal representation of the usual…

Nuclear Theory · Physics 2009-11-07 V. G. Gueorguiev , J. P. Draayer

In this paper we report on a high-order fast method to numerically calculate wakefield forces in an electron beam given a wake function model. This method is based on a Newton-Cotes quadrature rule for integral approximation and an FFT…

Accelerator Physics · Physics 2015-06-04 Ji Qiang , Chad Mitchell , Robert D. Ryne

We consider a semi-infinite open-ended cylindrical waveguide with uniform dielectric filling placed into collinear infinite vacuum waveguide with larger radius. Electromagnetic field produced by a point charge or Gaussian bunch moving along…

In this paper, we extend the paraxial conical refraction model to the case of the partially coherent light using the unified optical coherence theory. We demonstrate the decomposition of conical refraction correlation functions into…

Optics · Physics 2022-05-12 V. Yu. Mylnikov , V. V. Dudelev , E. U. Rafailov , G. S. Sokolovskii

The coherent scattering of photon in the Coulomb field (the Delbr\"uck scattering) is considered for the momentum transfer $\Delta \ll m$ in the frame of the quasiclassical operator method. In high-energy region this process occurs over…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. N. Baier

The possibility to control the coherent decay of resonant excitations in nuclear forward scattering is investigated. By changing abruptly the direction of the nuclear hyperfine magnetic field, the coherent scattering of photons can be…

Quantum Physics · Physics 2010-11-22 Adriana Pálffy , Jörg Evers

In this paper we present the spectrum of synchro-curvature self-Compton (SCSC) radiation of relativistic electrons with a power-law distribution of Lorentz factors. We find that the resulting spectrum is significantly different from that of…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Bo Zhang , Zi-Gao Dai

Establishing the conditions under which orbital, spin and lattice-pseudospin degrees of freedom are mutually coupled in realistic nonequilibrium conditions is a major goal in the emergent field of graphene spintronics. Here, we use…

Mesoscale and Nanoscale Physics · Physics 2021-11-16 Aires Ferreira

Interactions of high momentum partons with Quark-Gluon Plasma created in relativistic heavy-ion collisions provide an excellent tomography tool for this new form of matter. Recent measurements for charged hadrons and unidentified jets at…

Nuclear Theory · Physics 2017-11-08 Magdalena Djordjevic

A theoretical model based on two-point scatterers is suggested to investigate scattering of partially coherent radiation by a non-Hermitian localized structure, invariant under the simultaneous symmetry operations of parity inversion and…

Optics · Physics 2019-10-23 Paulo. A. Brandão , Solange B. Cavalcanti

An analytical method is developed for calculating the geometric wakefield and impedances of an ultrarelativistic beam propagating on- and off-axis through an axially symmetric geometry with slowly varying circular cross-section, such as a…

Accelerator Physics · Physics 2015-05-13 D. A. Burton , D. C. Christie , J. D. A. Smith , R. W. Tucker

We investigate the scattered field from $N$ identical two-level atoms resonantly driven by a weak coherent field in a one-dimensional waveguide. For atoms separated by the drive wavelength, increasing the number of atoms progressively…

Quantum Physics · Physics 2025-06-06 Zeidan Zeidan , Therese Karmstrand , Maryam Khanahmadi , Göran Johansson

Electromagnetic (EM) wave scattering by many parallel infinite cylinders is studied asymptotically as a tends to 0, where a is the radius of the cylinders. It is assumed that the centres of the cylinders are distributed so that their…

Computational Physics · Physics 2015-06-05 A. G. Ramm , M. I. Andriychuk