English
Related papers

Related papers: PSI Effects on Plasma Burn-through in JET

200 papers

Dense plasma environment affects the electronic structure of ions via variations of the microscopic electrical fields, also known as plasma screening. This effect can be either estimated by simplified analytical models, or by…

Radiation reaction effects on ion acceleration in laser foil interaction are investigated via analytical modeling and multi-dimensional particle-in-cell simulations. We find the radiation effects are important in the area where some…

Plasma Physics · Physics 2009-09-29 Min Chen , Alexander Pukhov , Tong-Pu Yu , Zheng-Ming Sheng

Inertial confinement fusion hotspots and cluster Coulomb explosion plasmas may develop a positive net electric charge. The Coulomb barrier penetrability and the rate of nuclear fusion reactions at ultra-low energies ($\lesssim 10$ keV) are…

Nuclear Theory · Physics 2019-06-18 Salvatore Simone Perrotta , Aldo Bonasera

The penetration of a supersonic particle at the interface was studied in a binary complex plasma. Inspired by the experiments performed in the PK-3 Plus Laboratory on board the International Space Station, Langevin dynamics simulations were…

Plasma Physics · Physics 2021-01-13 He Huang , Mierk Schwabe , Hubertus M Thomas , Andrey M Lipaev , Cheng-Ran Du

Effects of ionization injection in low and high Z gas mixtures for the laser wake field acceleration of electrons are analyzed with the use of balance equations and particle-in-cell simulations via test probe particle trajectories in…

Plasma Physics · Physics 2020-03-04 A. Zhidkov , N. Pathak , J. Koga , K. Huang , M. Kando , T. Hosokai

Using different laser irradiation patterns to modify of silicon surface, it has been demonstrated that, at rather small overlapping between irradiation spots, highly regular laser-induced periodic surface structures (LIPSS) can be produced…

Scattering or tunneling of an electron at a potential barrier is a fundamental quantum effect. Electron-electron interactions often affect the scattering, and understanding of the interaction effect is crucial in detection of various…

Mesoscale and Nanoscale Physics · Physics 2022-11-10 Sungguen Ryu , H. -S. Sim

Emission lines of Be-like ions are frequently observed in astrophysical plasmas, and many are useful for density and temperature diagnostics. However, accurate atomic data for energy levels, radiative rates (A-values) and effective electron…

Solar and Stellar Astrophysics · Physics 2015-06-23 K. M. Aggarwal , F. P. Keenan

The idea of plasma suppression of beam-beam effects at muon colliders is discussed. It is shown that one should take into account collisions in the plasma that were ignored before. Rough estimates show that this effect leads to a fast…

High Energy Physics - Experiment · Physics 2009-10-31 Valery Telnov

The heat flux mitigation during the Thermal Quench (TQ) by the Shattered Pellet Injection (SPI) is one of the major elements of disruption mitigation strategy for ITER. It's efficiency greatly depends on the SPI and the target plasma, and…

Plasma Physics · Physics 2024-06-10 D. Hu , F. J. Artola , E. Nardon , M. Lehnen , M. Kong , D. Bonfiglio , M. Hoelzl , G. T. A. Huijsmans , JOREK Team

Radiation reaction (RR) effects on the acceleration of a thin plasma foil by a superintense laser pulse in the radiation pressure dominated regime are investigated theoretically. A simple suitable approximation of the Landau-Lifshitz…

Plasma Physics · Physics 2010-12-16 M. Tamburini , F. Pegoraro , A. Di Piazza , C. H. Keitel , A. Macchi

The interaction between the supersonic jet and background can influence the process of star formation, and this interaction also results in a change of the jet's velocity, direction and density through shock waves. However, due to the…

Plasma Physics · Physics 2024-01-31 Z. Lei , Z. H. Zhao , Y. Xie , W. Q. Yuan , 1 L. X. Li , H. C. Gu , X. Y. Li , B. Q. Zhu , J. Q. Zhu , S. P. Zhu , X. T. He , B. Qiao

Use of lithium as a surface coating in fusion devices improves plasma performance, but the change in wall properties affects the secondary electron emission properties of the material. Lithium oxidizes easily, which drives the emission…

Plasma Physics · Physics 2025-05-23 Kolter Bradshaw , Ammar Hakim , Bhuvana Srinivasan

In high-intensity laser-plasma interactions, particles can lose a substantial fraction of their energy by emitting radiation. Using particle-in-cell simulations, we study the impact of radiation reaction on the dynamics of an underdense…

Plasma Physics · Physics 2025-10-22 Caleb Redshaw , Matthew R. Edwards

We study the penetration of ultraintense circularly polarized laser pulses into a thick subcritical plasma layer with accounting for radiation friction. We show that radiation pressure is enhanced by radiation friction in the direction…

Plasma Physics · Physics 2017-12-04 E. G. Gelfer , N. V. Elkina , A. M. Fedotov

A new experimental platform based on laser-plasma interaction is proposed to explore the fundamental processes of wave coupling at the origin of interplanetary radio emissions. It is applied to the study of electromagnetic (EM) emission at…

This work presents accurate {\it ab initio} investigations of various spectroscopic properties of a few Li-like ions in presence of a plasma environment within the Debye screening potential. The coupled-cluster theory in the relativistic…

Atomic Physics · Physics 2013-06-05 Pradip Kumar Mondal , Narendra Nath Dutta , Gopal Dixit , Sonjoy Majumder

A bounded plasma where the electrons impacting the walls produce more than one secondary on average is studied via particle-in-cell simulation. It is found that no classical Debye sheath or space-charge limited sheath exists. Ions are not…

Plasma Physics · Physics 2015-06-04 M. D. Campanell , A. Khrabrov , I. D. Kaganovich

One of the most severe limitations in high-intensity particle colliders is the beam-beam interaction, i.e. the perturbation of the beams as they cross the opposing beams. This introduction to beam-beam effects concentrates on a description…

Accelerator Physics · Physics 2016-01-21 W. Herr , T. Pieloni

The most fundamental response of an ionized gas to a macroscopic object is the formation of the plasma sheath. It is an electron depleted space charge region, adjacent to the object, which screens the object's negative charge arising from…

Plasma Physics · Physics 2018-06-13 F. X. Bronold , H. Fehske , M. Pamperin , E. Thiessen