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We observe the phase space trajectory of an entangled wave packet of a trapped ion with high precision. The application of a spin dependent light force on a superposition of spin states allows for coherent splitting of the matter wave…

Quantum Physics · Physics 2014-05-22 Ulrich Poschinger , Andreas Walther , Kilian Singer , Ferdinand Schmidt-Kaler

Using high resolution kinetic (VPPM-OMP 1.0) and fluid (BOUT++) solvers, evolution of long-wavelength electron plasma wave (EPW) in the presence of stationary periodic ion background non-uniformity is investigated. Mode coupling dynamics…

Plasma Physics · Physics 2022-06-17 Sanjeev Kumar Pandey , Jagannath Mahapatra , Rajaraman Ganesh

Electron localization is the tendency of an electron in a many-body system to exclude other electrons from its vicinity. Using a new natural measure of localization based on the exact manyelectron wavefunction, we find that localization can…

Mesoscale and Nanoscale Physics · Physics 2021-01-15 T. R. Durrant , M. J. P. Hodgson , J. D. Ramsden , R. W. Godby

We give direct experimental evidence for the observation of the full transverse self-modulation of a relativistic proton bunch propagating through a dense plasma. The bunch exits the plasma with a density modulation resulting from radial…

Accelerator Physics · Physics 2019-04-03 E. Adli , A. Ahuja , O. Apsimon , R. Apsimon , A. -M. Bachmann , D. Barrientos , M. M. Barros , J. Batkiewicz , F. Batsch , J. Bauche , V. K. Berglyd Olsen , M. Bernardini , B. Biskup , A. Boccardi , T. Bogey , T. Bohl , C. Bracco , F. Braunmüller , S. Burger , G. Burt , S. Bustamante , B. Buttenschön , A. Caldwell , M. Cascella , J. Chappell , E. Chevallay , M. Chung , D. Cooke , H. Damerau , L. Deacon , L. H. Deubner , A. Dexter , S. Doebert , J. Farmer , V. N. Fedosseev , G. Fior , R. Fiorito , R. A. Fonseca , F. Friebel , L. Garolfi , S. Gessner , I. Gorgisyan , A. A. Gorn , E. Granados , O. Grulke , E. Gschwendtner , A. Guerrero , J. Hansen , A. Helm , J. R. Henderson , C. Hessler , W. Hoe , M. Hüther , M. Ibison , L. Jensen , S. Jolly , F. Keeble , S. -Y. Kim , F. Kraus , T. Lefevre , G. LeGodec , Y. Li , S. Liu , N. Lopes , K. V. Lotov , L. Maricalva Brun , M. Martyanov , S. Mazzoni , D. Medina Godoy , V. A. Minakov , J. Mitchell , J. C. Molendijk , R. Mompo , J. T. Moody , M. Moreira , P. Muggli , C. Mutin , E. Öz , E. Ozturk , C. Pasquino , A. Pardons , F. Pena Asmus , K. Pepitone , A. Perera , A. Petrenko , S. Pitman , G. Plyushchev , A. Pukhov , S. Rey , K. Rieger , H. Ruhl , J. S. Schmidt , I. A. Shalimova , E. Shaposhnikova , P. Sherwood , L. O. Silva , L. Soby , A. P. Sosedkin , R. Speroni , R. I. Spitsyn , P. V. Tuev , M. Turner , F. Velotti , L. Verra , V. A. Verzilov , J. Vieira , H. Vincke , C. P. Welsch , B. Williamson , M. Wing , B. Woolley , G. Xia

A general localization mechanism for waves in dissipative systems is identified that does not require the bistability of the basic state and the nonlinear plane-wave state. The mechanism explains the two-dimensional localized wave…

patt-sol · Physics 2009-10-31 Hermann Riecke , Glen D. Granzow

The effect of electrostatic strong-coupling of dust particles along with their self-gravitational force has been analyzed in a three component dusty plasma. The electrons and ions forming the charge neutral background where the electron…

Plasma Physics · Physics 2024-11-14 Shatadru Chaudhuri , Shahin Nasrin , Asesh Roy Chowdhury

We discuss the degree to which radio propagation measurements diagnose conditions in the ionized gas of the interstellar medium (ISM). The "signal generators" of the radio waves of interest are extragalactic radio sources (quasars and radio…

Astrophysics of Galaxies · Physics 2015-06-15 Marijke Haverkorn , Steven R. Spangler

We study the strong localization of atomic matter waves in a disordered potential created by atoms pinned at the nodes of a lattice, for both three-dimensional (3D) and two-dimensional (2D) systems. The localization length of the matter…

Quantum Gases · Physics 2015-05-19 Mauro Antezza , Yvan Castin , David Hutchinson

An analytical model for the self-modulation instability of a long relativistic proton bunch propagating in uniform plasmas is developed. The self-modulated proton bunch resonantly excites a large amplitude plasma wave (wake field), which…

Plasma Physics · Physics 2015-05-18 Naveen Kumar , Alexander Pukhov , Konstantin Lotov

The amplification of a surface electromagnetic wave by means of ultrarelativistic monoenergetic electron bunch running over the flat plasma surface in absence of a magnetic field is studied theoretically. It is shown that when the ratio of…

Plasma Physics · Physics 2012-11-13 S. P. Sadykova , A. A. Rukhadze , T. G. Samkharadze , K. V. Khishchenko

An electromagnetic wave (EMW) interacting with the moving singularity of the charged particle flux undergoes the reflection and absorption as well as frequency change due to Doppler effect and nonlinearity. The singularity corresponding to…

Plasma Physics · Physics 2008-07-08 A. V. Panchenko , T. Zh. Esirkepov , A. S. Pirozhkov , M. Kando , F. F. Kamenets , S. V. Bulanov

This work analyzes the dynamics of inhomogeneous, magnetically focused high-intensity beams of charged particles. While for homogeneous beams the whole system oscillates with a single frequency, any inhomogeneity leads to propagating…

Plasma Physics · Physics 2007-12-03 Felipe B. Rizzato , Renato Pakter , Yan Levin

Electron-acoustic waves occur in space and laboratory plasmas where two distinct electron populations exist, namely cool and hot electrons. The observations revealed that the hot electron distribution often has a long-tailed suprathermal…

Plasma Physics · Physics 2017-10-24 Ashkbiz Danehkar

Relativistic electron beam propagation in plasma is fraught with several micro instabilities like two stream, filamentation etc., in plasma. This results in severe limitation of the electron transport through a plasma medium. Recently,…

Plasma Physics · Physics 2016-01-20 Chandrashekhar Shukla , Amita Das , Kartik Patel

A method for the generation of ultrarelativistic electron beams with high spin polarization is put forward, where a tightly-focused linearly-polarized ultraintense laser pulse interacts with a nonprepolarized transverse-size-tailored solid…

Plasma Physics · Physics 2024-06-11 Xiaofei Shen , Zheng Gong , Karen Z. Hatsagortsyan , Christoph H. Keitel

Electromagnetic turbulence and ion kinetics in counter-streaming plasmas hold great significance in laboratory astrophysics, such as turbulence field amplification and particle energization. Here, we quantitatively demonstrate for the first…

Plasma Physics · Physics 2024-03-13 P. Liu , D. Wu , T. X. Hu , D. W. Yuan , G. Zhao , Z. M. Sheng , X. T. He , J. Zhang

In collision-poor plasmas from space, three distinct ion-ion instabilities can be driven by the proton beams streaming along the background magnetic field: left-hand resonant, non-resonant, and right-hand resonant instabilities. These…

Solar and Stellar Astrophysics · Physics 2020-08-19 S. M. Shaaban , M. Lazar , R. A. López , S. Poedts

A numerical-analytical simulation of scattering by a three-barrier heterostructure of an electronic Gaussian wave packet, the spectral width of which is on the order of the distance between the levels of the doublet of quasi-stationary…

Mesoscale and Nanoscale Physics · Physics 2022-01-10 Yu. G. Peisakhovich , A. A. Shtygashev

The gas breakdown produced by high-power pulsed linearly and circularly polarized microwave fields which are much weaker than the atomic fields is investigated in the non-relativistic limit. Obtained the electron distribution function…

Plasma Physics · Physics 2009-11-10 B. Shokri , M. Ghorbanalilu

In this paper, we discuss the transport phenomena of electromagnetic waves in a two-dimensional random system which is composed of arrays of electrical dipoles, following the model presented earlier by Erdogan, et al. (J. Opt. Soc. Am. B…

Soft Condensed Matter · Physics 2009-11-10 Ken Wang , Zhen Ye
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