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Particle-in-Cell with Monte CarloCollisions Gun Code Simulations of a Surface-Conversion H^(−)Ion Source

Communications in Computational Physics 2008年第8期4卷 659-674页

作者： e.chacon-golcher K.J.Bowers Los Alamos National Laboratory Los AlamosNM 87545USA Los Alamos National Laboratory Guest Scientist currently at D.E.Shaw&CompanyNew YorkNY 10036USA.

We present an extended update on the status of a particle-in-cellwithMonte Carlo collisions(PIC-MCC)gun code developed at LosAlamos for the study of surfaceconverter H−ion *** programis fully *** of the program’s features include:solution of arbitrary electrostatic and magnetostatic fields in an axisymmetric(r,z)geometry to describe the self-consistent time evolution of a plasma;simulation of a multi-species(e^(−),H^(+),H^(+)_(2),H^(+)_(3),H^(−))plasma discharge from a neutral hydrogen gas and filament-originated seed electrons;full 2-dimensional(r,z)3-velocity(v_(r),v_(z),vφ)dynamics for all species;detailed collision physics between charged particles and neutrals and the ability to represent multiple smooth(not stair-stepped)electrodes of arbitrary shape and voltage whose surfaces may be secondary-particle emitters(H^(−)and e^(−)).The status of this development is discussed in terms of its physics content and current implementation details.

关键词： Negative hydrogen ion source simulation particle-in-cell with Monte Carlo collisions low temperature plasma simulation

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Characterization of supersonic and subsonic gas targets for laser wakefield electron acceleration experiments

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Matter and Radiation at extremes 2019年第1期4卷 1-6页

作者： S.Lorenz G.Grittani e.chacon-golcher C.M.Lazzarini J.Limpouch F.Nawaz M.Nevrkla L.Vilanova T.Levato Czech Technical University in Prague Czech Republic Institute of Physics of the Czech Academy of Sciences ELI-Beamlines ProjectDolni BrezanyCzech Republic

The choice of the correct density profile is crucial in laser wakefield *** this work,both subsonic and supersonic gas targets are characterized by means of fluid-dynamic simulations and experimental interferometric *** gas targets are studied in different configurations,and the density profiles most suitable for laser wakefield acceleration are discussed.

关键词： laser acceleration field

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P3: An installation for high-energy density plasma physics and ultra-high intensity laserematter interaction at eLI-Beamlines

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Matter and Radiation at extremes 2017年第4期2卷 149-176页

作者： S.Weber S.Bechet S.Borneis L.Brabec M.Bucka e.chacon-golcher M.Ciappina M.DeMarco A.Fajstavr K.Falk e.-R.Garcia J.Grosz Y.-J.Gu J.-C.Hernandez M.Holec P.Janecka M.Jantac M.Jirka H.Kadlecova D.Khikhlukha O.Klimo G.Korn D.Kramer D.Kumar T.Lastovicka P.Lutoslawski L.Morejon V.Olsovcova M.Rajdl O.Renner B.Rus S.Singh M.Smid M.Sokol R.Versaci R.Vrana M.Vranic J.Vyskocil A.Wolf Q.Yu eLI-Beamlines Institute of PhysicsAcademy of Sciences of the Czech Republic18221 PragueCzech Republic

eLI-Beamlines(eLI-BL),one of the three pillars of the extreme Light Infrastructure endeavour,will be in a unique position to perform research in high-energy-density-physics(HeDP),plasma physics and ultra-high intensity(UHI)ð>10^(22) W=cm^(2)) lasereplasma *** the need for HeD laboratory physics was identified and the P3(plasma physics platform)installation under construction in eLI-BL will be an *** eLI-BL 10 PW laser makes possible fundamental research topics from high-field physics to new extreme states of matter such as radiation-dominated ones,high-pressure quantum ones,warm dense matter(WDM)and ultra-relativistic *** is of fundamental importance for research in the field of laboratory astrophysics and inertial confinement fusion(ICF).Reaching such extreme states of matter now and in the future will depend on the use of plasma optics for amplifying and focusing laser *** article will present the relevant technological infrastructure being built in eLI-BL for HeDP and UHI,and gives a brief overview of some research under way in the field of UHI,laboratory astrophysics,ICF,WDM,and plasma optics.

关键词： High-energy-density-physics Ultra-high-intensity Warm dense matter Laboratory astrophysics High repetition rate lasers Plasma optics Inertial confinement fusion Lasereplasma interaction Relativistic plasmas

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