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We introduce a simplified model of the electron-beam/plasma system to model the electrical breakdown caused by the inductive electric field created by a rapidly rising electron beam current. The rigid-beam model is a reduction to the…

Plasma Physics · Physics 2021-03-05 S. B. Swanekamp , A. S. Richardson , Tz. B. Petrova , P. E. Adamson

A new scheme of proton acceleration from a laser-driven near-critical-density plasma is proposed. Plasma with a tailored density profile allows a two-stage acceleration of protons. The protons are pre-accelerated in the laser-driven…

Plasma Physics · Physics 2019-02-13 Y. Wan , I. A. Andriyash , J. F. Hua , C. -H. Pai , W. Lu , W. B. Mori , C. Joshi , V. Malka

Plasma technology has found widespread applications in numerous domains, yet the techniques to manipulate plasma transport predominantly rely on magnetic control. In this review, we present a streamlined diffusion-migration method to…

Plasma Physics · Physics 2023-09-26 Fubao Yang , Zeren Zhang

We discuss a model for the energy distribution and the early space-time evolution of a heavy ion collision. We estimate the gluon field generated in the wake of hard processes and through primordial fluctuations of the color charges in the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Rainer J. Fries , Joseph I. Kapusta , Yang Li

Using a periodic electron beam bunch train to resonantly excite plasma wakefields in the quasi-nonlinear (QNL) regime has distinct advantages over employing a single, higher charge bunch. Resonant excitation in the QNL regime can produce…

Accelerator Physics · Physics 2021-05-31 P. Manwani , N. Majernik , J. B. Rosenzweig

To maximize the charge of a high-energy electron beam accelerated by an ultra-intense laser pulse propagating in a subcritical plasma, the pulse length should be longer than both the plasma wavelength and the laser pulse width, which is…

Plasma Physics · Physics 2020-01-08 V. Yu. Bychenkov , M. G. Lobok , V. F. Kovalev , A. V. Brantov

We demonstrate that laser reflection acts as a catalyst for superponderomotive electron production in the preplasma formed by relativistic multipicosecond lasers incident on solid density targets. In 1D particle-in-cell simulations, high…

Plasma Physics · Physics 2020-01-06 Kathleen Weichman , Alexander P. L. Robinson , Farhat N. Beg , Alexey V. Arefiev

The friction-induced charging (i.e., tribocharging) and the following discharging (referred here as tribodischarging) are always believed to have negative effects on the daily life and on the industrial production. Thus, how to inhibit the…

Materials Science · Physics 2017-09-26 Na Li , Liran Ma , Xuefeng Xu , Jianbin Luo

The destabilizing role of neutrino beams on the Trivelpiece-Gould modes is considered, assuming electrostatic perturbations in a magnetized plasma composed by electrons in a neutralizing ionic background, coupled to a neutrino species by…

Plasma Physics · Physics 2017-12-27 Fernando Haas , Kellen Alves Pascoal , José Tito Mendonça

Magnetic reconnection in relativistic collisionless plasmas can accelerate particles and power high-energy emission in various astrophysical systems. Whereas most previous studies focused on relativistic reconnection in pair plasmas, less…

High Energy Astrophysical Phenomena · Physics 2017-12-27 G. R. Werner , D. A. Uzdensky , M. C. Begelman , B. Cerutti , K. Nalewajko

Available analytical wakefield models for the bubble and the blow-out regime of electron-plasma acceleration perfectly describe important features like shape, fields, trapping ratio, achievable energy, energy distribution and radial…

When a plasma sheath forms next to a dielectric wall, material properties determine electron absorption and reflection from the surface, impacting the sheath formation and structure. The low energy regime of this interaction is often not…

Plasma Physics · Physics 2024-03-14 Kolter Bradshaw , Petr Cagas , Ammar Hakim , Bhuvana Srinivasan

An investigation of the selfconsistent ambipolar charge kinetics across a negatively biased semiconducting plasma-solid interface is presented. For the specific case of a thin germanium layer with nonpolar electron-phonon scattering,…

Plasma Physics · Physics 2022-04-20 K. Rasek , F. X. Bronold , H. Fehske

We study in detail the transverse collective modes of simple holographic models in presence of electromagnetic Coulomb interactions. We render the Maxwell gauge field dynamical via mixed boundary conditions, corresponding to a double trace…

High Energy Physics - Theory · Physics 2020-05-01 Matteo Baggioli , Ulf Gran , Marcus Tornsö

Using a perturbative approach, an evolution equation for the space charge density, correct up to the third order, is deduced for arbitrary initial density profiles of the electron and ion fluids in a cold nonrelativistic plasma. The…

Plasma Physics · Physics 2024-10-10 Subhasish Bag , Vikrant Saxena

Local electromagnetic field enhancement in resonant metamaterials is useful for efficient generation of nonlinear phenomena; however, the field enhancement is suppressed by losses of nonlinear elements in metamaterials. For overcoming this…

Optics · Physics 2018-11-15 Yasuhiro Tamayama , Takuya Yoshimura

A Rydberg gas of NO entrained in a supersonic molecular beam releases electrons as it evolves to form an ultracold plasma. The size of this signal, compared with that extracted by the subsequent application of a pulsed electric field,…

Chemical Physics · Physics 2015-03-13 C. J. Rennick , J. P. Morrison , J. Ortega-Arroyo , P. J. Godin , N. Saquet , E. R. Grant

Using ab initio methods, we examine the the charge distribution at the interface of alpha-alumina-supported Pt films, and we consider the influence of this interface on CO adsorption. We demonstrate that a combination of electrostatic…

Materials Science · Physics 2012-03-12 Valentino R. Cooper , Alexie M. Kolpak , Yashar Yourdshahyan , Andrew M. Rappe

The separation of substances into different phases is ubiquitous in nature and important scientifically and technologically. This phenomenon may become drastically different if the species involved, whether molecules or supramolecular…

Plasma-boundaries floating in an ionized gas are usually negatively charged. They accumulate electrons more efficiently than ions which leads to the formation of a quasi-stationary electron film at the boundaries. We propose, in a…

Plasma Physics · Physics 2009-08-24 Franz X. Bronold , H. Deutsch , H. Fehske