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Related papers: Electrohydrodynamic emitters of ion beams

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In plasma wakefield accelerators, the wave excited in the plasma eventually breaks and leaves behind slowly changing fields and currents that perturb the ion density background. We study this process numerically using the example of a FACET…

Plasma Physics · Physics 2022-02-23 V. K. Khudiakov , K. V. Lotov , M. C. Downer

The filamentation instability (FI) of counter-propagating beams of electrons is modelled with a particle-in-cell simulation in one spatial dimension and with a high statistical plasma representation. The simulation direction is orthogonal…

Plasma Physics · Physics 2015-05-14 M E Dieckmann , A Bret

The properties and structure of electrically-stressed ionic liquid menisci experiencing ion evaporation are simulated using an electrohydrodynamic model with field-enhanced thermionic emission in steady state for an axially-symmetric…

Fluid Dynamics · Physics 2021-09-28 Ximo Gallud , Paulo C. Lozano

The scope of the present paper is to determine how ion electrostatic wave perturbations in plasma flows are influenced by the presence of a kinematically complex velocity shear. For this purpose we consider a model based on the following…

Plasma Physics · Physics 2015-04-17 Z. Osmanov , A. Rogava , S. Poedts

The spontaneous emission rate of dipole emitters close to plasmonic dimers are theoretically studied within a nonlocal hydrodynamic model. A nonlocal model has to be used since quantum emitters in the immediate environment of a metallic…

A kinetic theory for electromagnetic ion waves in a cold relativistic plasma is derived. The kinetic equation for the broadband electromagnetic ion waves is coupled to the slow density response via an acoustic equation driven by…

Plasma Physics · Physics 2007-05-23 M. Marklund , P. K. Shukla

We present a newly developed hybrid hadronic transport + hydrodynamics framework geared towards heavy ion collisions at low to intermediate beam energies, and report on the resulting excitation function of dileptons. In this range of…

It has been suggested that collisions between deformed shapes will lead to interesting effects on various observables such as K production and elliptic flow. Simple formulae can be written down which show how to choose the colliding beams…

Nuclear Theory · Physics 2009-11-06 Subal Das Gupta , Charles Gale

The hydrodynamic equations for indirect excitons in the double quantum wells are studied taking into account 1) a possibility of an exciton condensed phase formation, 2) the presence of pumping, 3) finite value of the exciton lifetime, 4)…

Mesoscale and Nanoscale Physics · Physics 2014-12-05 V. I. Sugakov

Different mechanisms believed to be responsible for the generation of bursts in hydrodynamical systems are reviewed and a new mechanism capable of generating regular or irregular bursts of large dynamic range near threshold is described.…

Fluid Dynamics · Physics 2007-05-23 E. Knobloch , J. Moehlis

Within the framework of the thermal wave model, an investigation is made of the longitudinal dynamics of high energy charged particle beams. The model includes the self-consistent interaction between the beam and its surroundings in terms…

High Energy Physics - Phenomenology · Physics 2009-11-10 Pontus Johannisson , Dan Anderson , Mietek Lisak , Mattias Marklund , Renato Fedele , Arkadi Kim

This paper is the first in a series which develops the theory of emittance dynamics based on simple statistical reasoning. Emittance is a central quantity used to characterize the quality of electron microscopes, photon sources and particle…

Accelerator Physics · Physics 2020-06-02 Brandon S. Zerbe , Phil M. Duxbury

Density dowmramp injection has been demonstrated to be an elegant and efficient approach for generating high quality electron beams in laser wakefield accelerators. Yet, the charge of the produced beam is tens of pC per Joule of laser…

Plasma Physics · Physics 2025-03-05 Celine Hue , Yang Wan , Eitan Y. Levine , Victor Malka

Hydrodynamic equations (HDEQs) are derived which describe spatio-temporal evolutions of the electron temperature and the chemical potential of two-dimensional systems in strong magnetic fields in states with large diagonal resistivity…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Hiroshi Akera

A great body of research literature pertaining to microburst generation in convective storms has focused on thermodynamic factors of the pre-convective environment as well as storm morphology as observed by radar imagery. Derived products…

Atmospheric and Oceanic Physics · Physics 2007-05-23 Kenneth L. Pryor

The mechanism of ionization of helium droplets has been investigated in numerous reports but one observation has not found a satisfactory explanation: How are $He^+$ ions formed and ejected from undoped droplets at electron energies below…

Atomic and Molecular Clusters · Physics 2016-11-30 Michael Renzler , Matthias Daxner , Nikolaus Weinberger , Stephan Denifl , Paul Scheier , Olof Echt

The paper consider a complex dynamics of electron beam with virtual cathode and local neutralization of the beam charge density near anode. Different types of nonlinear behaviour, including deterministic chaos, were treated. It is shown…

Plasma Physics · Physics 2007-05-23 V. G. Anfinogentov , A. E. Hramov

Understanding the influence of hydrodynamic stresses and colloidal interactions between droplets and membranes will inform better engineered membrane surfaces and process conditions. Using a long-wave hydrodynamic description that…

Fluid Dynamics · Physics 2020-04-03 Mariano Galvagno , Guy Z. Ramon

A wide spectrum of electrokinetic studies is modelled as isothermal ones to expedite analysis even when such conditions may be extremely difficult to realize in practice. As a clear and novel departure from this trend, we address the case…

Fluid Dynamics · Physics 2016-04-27 Tanmay Ghonge , Jeevanjyoti Chakraborty , Ranabir Dey , Suman Chakraborty

The experimental determination of freeze-out temperatures and densities from the yields of light elements emitted in heavy ion collisions is discussed. Results from different experimental approaches are compared with those of model…

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