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Relevant bibliographies by topics / Electron Clouds

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Journal articles

Academic literature on the topic 'Electron Clouds'

Author: Grafiati

Published: 7 September 2023

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Journal articles on the topic "Electron Clouds"

1

Lehmann, Andrew, and Mark Wardle. "Diffusion of cosmic-ray electrons in the Galactic centre molecular cloud G0.13–0.13." Proceedings of the International Astronomical Union 9, S303 (2013): 434–38. http://dx.doi.org/10.1017/s1743921314001082.

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AbstractThe Galactic center (GC) molecular cloud G0.13–0.13 exhibits a shell morphology in CS J = (1 − 0), with ∼ 105 solar masses and expansion speed ∼ 20 km s−1, yielding a total kinetic energy ∼ 1051 erg. Its morphology is also suggestive of an interaction with the nonthermal filaments of the GC arc. 74 MHz emission indicates the presence of a substantial population of low energy electrons permeating the cloud, which could either be produced by the interaction with the arc or accelerated in the shock waves responsible for the cloud's expansion. These scenarios are explored using time depend

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2

Bakhareva, O. A., V. Yu Sergeev, and I. A. Sharov. "On the Formation of a Plasma Cloud at the Ablation of a Pellet in a High-Temperature Magnetized Toroidal Plasma." JETP Letters 117, no. 3 (2023): 207–13. http://dx.doi.org/10.1134/s0021364022603190.

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The investigation of cold secondary plasma clouds near pellets ablating in the hot plasma of magnetic confinement devices (tokamaks and stellarators) provides valuable information on the physical characteristics of a pellet cloud. In this work, the characteristic sizes of emitting clouds around fusible polystyrene pellets and refractory carbon pellets have been analyzed. The calculation of the ionization length of C+ ions in both carbon and hydrocarbon clouds has shown that the contribution of only hot electrons is insufficient to ensure the experimentally observed decay lengths of the CII lin

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3

Le Bars, G., J. Loizu, J. Ph Hogge, et al. "First self-consistent simulations of trapped electron clouds in a gyrotron gun and comparison with experiments." Physics of Plasmas 30, no. 3 (2023): 030702. http://dx.doi.org/10.1063/5.0136340.

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We report on the initial validation of the novel code FENNECS, which simulates the spontaneous formation of trapped electron clouds in coaxial geometries with strong externally applied azimuthal flows and in the presence of a residual neutral gas. For this purpose, a realistic gyrotron electron gun geometry is used in the code, and a self-consistent electron cloud build-up is simulated. The predicted electronic current resulting from these clouds that is collected on the gun electrodes is simulated and successfully compared with the previous experimental results for configurations with differe

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4

John, P. I. "Physics of toroidal electron clouds." Plasma Physics and Controlled Fusion 34, no. 13 (1992): 2053–59. http://dx.doi.org/10.1088/0741-3335/34/13/039.

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5

Tkachev, A. N., and S. I. Yakovlenko. "Electron clouds around charged particulates." Technical Physics 44, no. 1 (1999): 48–52. http://dx.doi.org/10.1134/1.1259250.

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6

Dimant, Y. S., and M. M. Oppenheim. "Interaction of plasma cloud with external electric field in lower ionosphere." Annales Geophysicae 28, no. 3 (2010): 719–36. http://dx.doi.org/10.5194/angeo-28-719-2010.

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Abstract. In the auroral lower-E and upper-D region of the ionosphere, plasma clouds, such as sporadic-E layers and meteor plasma trails, occur daily. Large-scale electric fields, created by the magnetospheric dynamo, will polarize these highly conducting clouds, redistributing the electrostatic potential and generating anisotropic currents both within and around the cloud. Using a simplified model of the cloud and the background ionosphere, we develop the first self-consistent three-dimensional analytical theory of these phenomena. For dense clouds, this theory predicts highly amplified elect

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7

Zhang, Tao. "Average value of the shape and direction factor in the equation of refractive index." Modern Physics Letters B 31, no. 29 (2017): 1750263. http://dx.doi.org/10.1142/s0217984917502633.

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The theoretical calculation of the refractive indices is of great significance for the developments of new optical materials. The calculation method of refractive index, which was deduced from the electron-cloud-conductor model, contains the shape and direction factor [Formula: see text]. [Formula: see text] affects the electromagnetic-induction energy absorbed by the electron clouds, thereby influencing the refractive indices. It is not yet known how to calculate [Formula: see text] value of non-spherical electron clouds. In this paper, [Formula: see text] value is derived by imaginatively di

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8

del Valle, Maria V. "Gamma-rays from reaccelerated cosmic rays in high-velocity clouds colliding with the Galactic disc." Monthly Notices of the Royal Astronomical Society 509, no. 3 (2021): 4448–56. http://dx.doi.org/10.1093/mnras/stab3206.

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ABSTRACT High-velocity clouds moving towards the disc will reach the Galactic plane and will inevitably collide with the disc. In these collisions, a system of two shocks is produced, one propagating through the disc and the other develops within the cloud. The shocks produced within the clouds in these interactions have velocities of hundreds of kilometres per second. When these shocks are radiative they may be inefficient in accelerating fresh particles; however, they can reaccelerate and compress Galactic cosmic rays from the background. In this work, we investigate the interactions of Gala

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9

Stein, Benjamin P. "An “orbital glass” of electron clouds." Physics Today 58, no. 3 (2005): 9. http://dx.doi.org/10.1063/1.4796921.

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10

Zharkova, Valentina V., and Taras Siversky. "Formation of electron clouds during particle acceleration in a 3D current sheet." Proceedings of the International Astronomical Union 6, S274 (2010): 453–57. http://dx.doi.org/10.1017/s1743921311007472.

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AbstractAcceleration of protons and electrons in a reconnecting current sheet (RCS) is investigated with the test particle and particle-in-cell (PIC) approaches in the 3D magnetic configuration including the guiding field. PIC simulations confirm a spatial separation of electrons and protons towards the midplane and reveal that this separation occur as long as protons are getting accelerated. During this time electrons are ejected into their semispace of the current sheet moving away from the midplane to distances up to a factor of 103 – 104 of the RCS thickness and returning back to the RCS.

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