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Related papers: Space Charge Effects

200 papers

A process of energy transfer is demonstrated in non-equilibrium charged particle beams with anisotropy and space charge. Equipartitioning of energy between available degrees of freedom occurs in just a few betatron wavelengths, without halo…

Accelerator Physics · Physics 2007-05-23 R. A. Kishek , P. G. O'Shea , M. Reiser

Beam-beam interactions and space-charge effects belong to the category of the most long-standing issues in beam physics, and even today, after several decades of very active exploration and development of counter-measures, they still pose…

Accelerator Physics · Physics 2014-09-09 V. Shiltsev

The subject of space charge in ionization detectors is reviewed, showing how the observations and the formalism used to describe the effects have evolved, starting with applications to calorimeters and reaching recent, large-size time…

Instrumentation and Detectors · Physics 2021-03-05 Sandro Palestini

This paper studies the space charge impedances of a rectangular beam inside a rectangular chamber, and the limiting case, e.g., a rectangular beam between parallel plates, respectively. The charged beam has uniform density in vertical…

Accelerator Physics · Physics 2014-07-08 Yingjie Li , Lanfa Wang

The force acting on the charged particle moving along an arbitrary trajectory near the straight cosmic string is calculated. This interaction leads to the scattering of particles by the cosmic string. The scattering cross section is…

General Relativity and Quantum Cosmology · Physics 2010-04-06 N R Khusnutdinov

Space charge accumulation within GEM holes is one of the vital phenomena which affects many of the key working parameters of the detector. This accumulation is found to be significantly affected by the initial primary charge configurations…

Electromagnetic fields induced by the space charge in relativistic beams play an important role in Accelerator Physics. They lead to emittance growth, slice energy change, and the microbunching instability. Typically, these effects are…

Accelerator Physics · Physics 2021-02-03 Petr M. Anisimov , Nikolai Yampolsky

Effects producing gain dilution in Free Electron Laser devices are well documented. We develop here a unified point of view allowing the introduction of space charge effects, along with the gain deterioration due to inhomogeneous broadening…

Accelerator Physics · Physics 2020-07-15 Giuseppe Dattoli , Hesham Fares , Silvia Licciardi

Traditionally the charge ratchet effect is considered as a consequence of the extrinsic spatial asymmetry engineered by external asymmetric periodic potentials. Here we demonstrate that electrically and magnetically driven dissipative…

Mesoscale and Nanoscale Physics · Physics 2009-03-17 Sergey Smirnov , Dario Bercioux , Milena Grifoni , Klaus Richter

The theory of transport of charged particles in cosmic magnetic fields is at the very center of the investigation of non-thermal phenomena in the universe, ranging from our local neighborhood to supernovae, clusters of galaxies or distant…

High Energy Astrophysical Phenomena · Physics 2023-07-24 Pasquale Blasi

The effects of space charges on hysteresis loops and field distributions in ferroelectrics have been investigated numerically using the phenomenological Landau-Ginzburg-Devonshire theory. Cases with the ferroelectric fully and partially…

Materials Science · Physics 2007-05-23 P. Zubko , D. J. Jung , J. F. Scott

In this Letter we research the space charge limiting current value at which the oscillating virtual cathode is formed in the relativistic electron beam as a function of the external magnetic field guiding the beam electrons. It is shown…

Plasma Physics · Physics 2009-11-13 Alexander E. Hramov , Alexey Koronovskii , Mikhail Morozov , Alexander Mushtakov

The past decade has seen a surge of interest in astrophysical charge exchange (CX). The impetus was the discovery of X-ray emission from comets in 1996, soon followed by the observation of CX emission in planetary atmospheres and throughout…

Astrophysics · Physics 2009-11-13 B. J. Wargelin , P. Beiersdorfer , G. V. Brown

We study a phenomenon that electric charges are "teleported" between two spatially separated objects without exchanging charged particles at all. For example, this phenomenon happens between a magnetic monopole and an axion string in four…

High Energy Physics - Theory · Physics 2021-02-03 Hajime Fukuda , Kazuya Yonekura

Space charge has been a limiting factor for low energy accelerators inducing emittance growth and tune spread. Tune shift and tune spread parameters are important for avoiding resonances, which limit intensity of the beam. Circular modes…

Accelerator Physics · Physics 2024-10-15 Onur Gilanliogullari , Brahim Mustapha , Pavel Snopok

Continuing previous work reported in an earlier paper [L.M. Burko, A.I. Harte, and E. Poisson, Phys. Rev. D 65, 124006 (2002)] we calculate the self-force acting on a point scalar charge in a wide class of cosmological spacetimes. The…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Roland Haas , Eric Poisson

The effect of charge on the dynamics of a gas bubble undergoing forced oscillations in a liquid due to incidence of an ultrasonic wave is theoretically investigated. The limiting values of the possible charge a bubble may physically carry…

Chaotic Dynamics · Physics 2015-06-15 Thotreithem Hongray , B. Ashok , J. Balakrishnan

As an extension of previous theoretical study on the coherent structure resonance due to space charge effects [Chao Li and R. A. Jameson, Phys. Rev. Accel. Beams 21, 024204, 2018], this paper aims to demonstrate how the beam, as a whole, is…

Accelerator Physics · Physics 2019-06-05 Zhicong Liu , Chao Li , Qing Qin

Charge independence and charge symmetry are approximate symmetries of nature, violated by the perturbing effects of the mass difference between up and down quarks and by electromagnetic interactions. The observations of the symmetry…

Nuclear Theory · Physics 2016-11-03 Gerald A. Miller , Willem T. H. van Oers

Beams of light with a large topological charge significantly change their spatial structure when they are focused strongly. Physically, it can be explained by an emerging electromagnetic field component in the direction of propagation,…

Quantum Physics · Physics 2018-06-08 Mario Krenn , Anton Zeilinger