PLASMAS

作品数:357被引量:244H指数:5
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相关作者:吴德金陈玲更多>>
相关机构:中国科学院国家天文台更多>>
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Particle-in-cell simulations of electron beam-plasma discharge in a narrow gap with varying transverse boundary conditions
《Plasma Science and Technology》2025年第4期50-57,共8页Jiahong CHEN Jian CHEN Qinchuang CAO Zhibin WANG 
supported by National Natural Science Foundation of China(Nos.12175322 and 12305223);the National Natural Science Foundation of Guangdong Province(No.2023A1515010762)。
In this work,the effects of transverse boundary conditions,specifically the bias voltage on the transverse wall and the gap width,on the electron beam-generated plasmas(EBPs)confined in a narrow gap,are investigated u...
关键词:electron beam-generated plasmas gap width bias voltage beam deflection wave excitation 
Molecular dynamics evaluation of self-diffusion coefficients in two-dimensional dusty plasmas
《Chinese Physics B》2025年第4期457-466,共10页Muhammad Asif Shakoori Misbah Khan Haipeng Li Aamir Shahzad Maogang He Syed Ali Raza 
support of the Fundamental Research Funds for the Central Universities of China(Grant No.2019ZDPY16).
We employ the Green–Kubo(G-K)and Einstein relations to estimate the self-diffusion coefficients(denoted as D_(G)and D_(E),respectively)in two-dimensional(2D)strongly coupled dusty plasmas(SC-DPs)via equilibrium molec...
关键词:dusty(complex)plasmas self-diffusion coefficients molecular dynamics simulation Green-Kubo and Einstein relations 
Predictions of gyrokinetic turbulent transport in proton-boron plasmas on EHL-2 spherical torus
《Plasma Science and Technology》2025年第2期87-96,共10页Muzhi TAN Jianqiang XU Huarong DU Jiaqi DONG Huasheng XIE Xueyun WANG Xianli HUANG Yumin WANG Xiang GU Bing LIU Yuejiang SHI Yunfeng LIANG the EHL-2 Team 
partly supported by SWIP project(No.SWIP-JYHT-12423).
The EHL-2 spherical torus at ENN is the next-generation experimental platform under conceptual design,aiming at realizing proton-boron(p-^(11)B)thermonuclear fusion,which is an attractive pathway towards neutron-free ...
关键词:turbulence GYROKINETIC boron fraction(Some figures may appear in colour only in the online journal) 
Mechanisms behind the surprising observation of supra-thermal ions in NIF’s fusion burning plasmas
《Science Bulletin》2025年第3期359-364,共6页Yuhan Xue Dong Wu Jie Zhang 
supported by the Strategic Priority Research Program of Chinese Academy of Sciences(XDA250010100 and XDA250050500);the National Natural Science Foundation of China(12075204);Shanghai Municipal Science and Technology Key Project(22JC1401500)。
Although ignition had been achieved at the National Ignition Facility(NIF),recent observations of the experiments indicate novel physics that beyond theoretical predictions emerge,e.g.,the neutron analysis of experime...
关键词:lon kinetics Supra-thermal ions Large-angle collisions Non-equilibrium ignition Inertial confinement fusion Burning plasmas 
Observation of Weibel magnetic fields in laser-produced interpenetrating flows
《Chinese Physics B》2025年第1期401-405,共5页Chuanqi Shi Dawei Yuan Wei Sun Yapeng Zhang Zhijie Qiu Huigang Wei Zhe Zhang Xiaohui Yuan Gang Zhao 
Project supported by the National Key Research and Development Program of China(Grant Nos.2022YFA1603200 and 2022YFA1603204);the Fund from the Chinese Academy of Sciences Youth Interdisciplinary Team(Grant No.JCTD2022-05);the Youth Innovation Promotion Association of the Chinese Academy of Sciences,the National Natural Science Foundation of China(Grant Nos.11873061 and 12473099);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant Nos.XDA25030500,XDA25010100,and XDA25030200)。
Weibel instability is a promising candidate mechanism for collisionless shock formation in astrophysical systems.Capturing the underlying physics of Weibel instability will help us to understand the astrophysical shoc...
关键词:Weibel instability interpenetrating plasmas optical diagnostics 
Theoretical study of particle and energy balance equations in locally bounded plasmas
《Plasma Science and Technology》2024年第12期89-98,共10页Hyun-Su JUN Yat Fung TSANG Jae Ok YOO Navab SINGH 
In this study,new particle and energy balance equations have been developed to predict the electron temperature and density in locally bounded plasmas.Classical particle and energy balance equations assume that all pl...
关键词:particle balance equation energy balance equation low temperature plasmas 
Simulation of mode transitions in capacitively coupled Ar/O_(2) plasmas
《Plasma Science and Technology》2024年第11期96-106,共11页Xiangmei LIU Shuren ZHANG Shuxia ZHAO Hongying LI Xiaohui REN 
supported by National Natural Science Foundation of China(Nos.11805107 and 12275039);the Fundamental Research Funds in Heilongjiang Provincial Universities of China(No.145309625)。
In this work,the effects of the frequency,pressure,gas composition,and secondary-electron emission coefficient on the discharge mode in capacitively coupled Ar/O_(2) plasmas were carefully studied through simulations....
关键词:mode transition processing parameters Ar/O_(2)discharges 
Rescattering of stimulated Raman side scattering in nonuniform plasmas
《Matter and Radiation at Extremes》2024年第5期68-76,共9页S.Tan Q.Wang Y.Chen W.B.Yao C.Z.Xiao J.F.Myatt 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDA25050700);the Fund of the National Key Laboratory of Plasma Physics(Grant No.6142A04230103);the National Natural Science Foundation of China(Grant No.11805062);the China Postdoctoral Science Foundation(Grant No.2022M720513);the Anhui Provincial Natural Science Foundation(Grant No.2308085QA25).
Rescattering of stimulated Raman side scattering(SRSS)is observed for the first time via two-dimensional(2D)particle-in-cell(PIC)simulations.We construct a theoretical model for the rescattering process,which can pred...
关键词:NONUNIFORM ACCELERATION SCATTERING 
Modeling of ion cyclotron resonance frequency heating of proton-boron plasmas in EHL-2 spherical tokamak
《Plasma Science and Technology》2024年第10期39-48,共10页Xianshu WU Jingchun LI Jiaqi DONG Yuejiang SHI Guoqing LIU Yong LIU Zhiqiang LONG Buqing ZHANG Baoshan YUAN Y.K.Martin PENG Minsheng LIU 
supported by Shenzhen Municipal Collaborative Innovation Technology Program-International Science and Technology(S&T)Cooperation Project(No.GJHZ20220913142609017);Shenzhen Science and Technology Innovation Commission Key Technical Project(No.JSGG20210713091539014);Ling Chuang Research Project of China National Nuclear Corporation;the“Fourteen Five-Year Plan”Basic Technological Research Project(No.JSZL2022XXXX001)。
Ion cyclotron resonance heating(ICRH)stands out as a widely utilized and cost-effective auxiliary method for plasma heating,bearing significant importance in achieving high-performance discharges in p-^(11)B plasmas.I...
关键词:ICRF hydrogen-boron fusion mode conversion fundamental absorption 
The Effect of External Magnetic Field on Electron Scale Kelvin–Helmholtz Instability
《Research in Astronomy and Astrophysics》2024年第9期236-247,共12页D.Tsiklauri 
We use particle-in-cell,fully electromagnetic,plasma kinetic simulation to study the effect of external magnetic field on electron scale Kelvin–Helmholtz instability(ESKHI).The results are applicable to collisionless...
关键词:INSTABILITIES magnetic fields PLASMAS Sun:heliosphere ISM:magnetic fields 
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