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国家重点基础研究发展计划(2009GB105002): 作品数：18被引量：18H指数：2; 导出分析报告; 相关作者：龚学余路兴强尹岚刘文艳杜丹更多>>; 相关机构：南华大学烟台大学清华大学成都理工大学更多>>; 相关期刊：《Plasma Science and Technology》《南华大学学报（自然科学版）》《High Power Laser Science and Engineering》《科学技术与工程》更多>>; 相关主题：托卡马克数值模拟离子回旋共振加热低频N更多>>; 相关领域：理学电子电信核科学技术自然科学总论更多>>

Upper-limit power for self-guided propagation of intense lasers in underdense plasma被引量：1: 《High Power Laser Science and Engineering》2013年第2期74-79,共6页Wei-Min Wang Zheng-Ming Sheng Yu-Tong Li Jie Zhang; supported in part by NSFC (Grant Nos. 11105217, 11121504, and 10925421);National Basic Research Program of China (Grant No. 2009GB105002); It is found that there is an upper-limit critical power for self-guided propagation of intense lasers in plasma in addition to the well-known lower-limit critical power set by the relativistic effect.Above this upper-...; 关键词：LASER plasma interaction LASER WAKEFIELD acceleration PARTICLE-IN-CELL SELF-FOCUSING

低频Alfvén波对等离子体非共振加热与随机加热的粒子模拟被引量：1: 《计算物理》2012年第5期739-744,共6页李克华龚学余路兴强李景春; 国家自然科学基金(11075073;41104094);国家973ITER专项(2009GB105002);湖南省教育厅(10C1152)资助项目; 采用粒子模拟方法,研究沿背景磁场方向传播的低频Alfvén波对磁化等离子体加热的物理过程.模拟结果表明:离子在垂直和平行于背景磁场的方向都得到明显的加热,在非共振加热阶段,垂直方向比平行方向的加热效果更加显著,形成温度各向异性;...; 关键词：粒子模拟低频Alfvén波非共振加热随机加热

Electromagnetic Emission from Laser Wakefields in Magnetized Underdense Plasmas被引量：1: 《Plasma Science and Technology》2012年第10期874-879,共6页胡志丹盛政明丁文君王伟民董全力张杰; supported in part by National Natural Science Foundation of China(Nos.10734130,10925421,11075105);the National Basic Research Program of China(Nos.2007CB310406,2009GB105002); A wakefield driven by a short intense laser pulse in a perpendicularly magnetized underdense plasma is studied analytically and numerically for both weakly relativistic and highly relativistic situations. Owing to the...; 关键词：laser wakefield magnetized plasma terahertz radiation particle-in-cell simulation

少周期激光脉冲与气体作用产生的离化电流和THz波辐射被引量：2: 《物理学报》2012年第17期266-271,共6页杜海伟陈民张凯云盛政明张杰; 国家自然科学基金(批准号:10935002,11075105);国家重点基础研究发展计划(973计划)(批准号:2009GB105002)资助的课题~~; 本文通过理论和数值模拟,研究少周期激光脉冲电离气体原子产生的离化电流以及相应的THz波辐射.研究表明,少周期激光脉冲离化气体后能产生较大的离化电流,因而可以产生较强的THz辐射.不同的少周期激光脉冲相位导致电离出的电子初始速度...; 关键词：离化电流 THZ辐射 PIC模拟

托卡马克中快波电流驱动下全波方程的数值求解被引量：4: 《计算物理》2012年第3期375-382,共8页刘燕龚学余杨磊彭晓炜尹岚; 国家自然科学基金(11075073;11005067);国家973ITER专项(2009GB105002);湖南省教育厅研究生科研创新项目(2009CXJJ3);高等学校博士点学科点专项科研基金(20094324120003)资助项目; 用全波方法研究环形对称托卡马克等离子体中离子回旋频率范围内(ICRF)的快波电流驱动(FWCD)问题,考虑有限拉莫尔半径(FLR)效应和平行色散,建立全波计算的物理模型—全波方程,通过对全波方程的数值求解得到快波在等离子体中激发的电场强...; 关键词：托卡马克离子回旋波快波电流驱动

Vlasov-Fokker-Planck Simulations for High-Power Laser-Plasma Interactions: 《Communications in Computational Physics》2012年第4期1236-1260,共25页Su-Ming Weng Zheng-Ming Sheng Hui Xu Jie Zhang; This work was supported by the National Natural Science Foundation of China(Grants No.11075105,10947108);the National Basic Research Program of China(Grant No.2009GB105002);One of the authors(S.M.W.)wishes to thank Professor P.Mulser of Technische Universitat Darmstadt and Professor M.Murakami of Osaka University for fruitful discussions and suggestions and acknowledges support from the Alexander von Humboldt Foundation.H.Xu acknowledges support from the Natural Science Foundation of Shandong Province(Grand No.Q2008A05).; A review is presented on our recent Vlasov-Fokker-Planck(VFP)simulation code development and applications for high-power laser-plasma interactions.Numerical schemes are described for solving the kinetic VFP equation w...; 关键词：Vlasov-Fokker-Planck equation electric conductivity inverse bremsstrahlung nonlocal heat transport positive and flux conservation method finite volume method

测地声模连续谱参量激发过程的数值研究: 《应用物理》2012年第3期98-101,共4页余俊施文龙; 973子项目(编号2009GB105002);自然科学基金(编号10775066).; 为了验证Yu和Dong给出的解析结果的合理性,用数值计算的方法对离子温度为非均匀的等离子体中测地声模连续谱的非线性激发过程进行了研究。数值计算的结果表明,漂移波边带模的径向结构分布图与简谐振荡都很接近,这说明Yu和Dong对参量激...; 关键词：测地声模连续谱参量激发漂移波

Critical Initial Amplitude of Langmuir Wave Damping: 《Plasma Science and Technology》2012年第3期181-186,共6页徐慧盛政明; supported by National Natural Science Foundation of China (Nos.11147025, 10947108, 11075105);the National Basic Research Program of China (No.2009GB105002);the Natural Science Foundation of Shandong Province of China (No.Q2008A05);the Foundation of Qufu Normal University of China (No.BSQD09011); By one-dimensional Vlasov-Poisson simulation, the critical initial state marking the transition between the Landau scenario, in which the electric fields definitively damped to zero and the O＇NEIL scenario, in which ...; 关键词：Landau damping critical initial amplitude Vlasov-Poisson simulation

Optimization of Lower Hybrid Current Drive Efficiency for EAST Plasma with Non-Circular Cross Section and Finite Aspect-Ratio被引量：1: 《Plasma Science and Technology》2012年第3期215-221,共7页侍行剑胡业民高喆; supported by National Natural Science Foundation of China (Nos.10975156, 10990214);the fund from Ministry of Science and Technology of China (No.2009GB105002); The two-dimensional equilibrium with flexible boundaries is solved via using a MAT- LAB Equilibrium Code （MEC）, which has applied the finite element method to handle the change- able plasma shape and employed the tr...; 关键词：EFFICIENCY LHCD ELONGATION triangularity ASPECT-RATIO

Electron acceleration by tightly focused radially polarized few-cycle laser pulses被引量：1: 《Chinese Physics B》2012年第2期278-285,共8页Liu Jin-Lu Sheng Zheng-Ming Zheng Jun; supported by the National Natural Science Foundation of China (Grant Nos.10734130,10935002,and 11075105);the National Basic Research Program of China (Grant No.2009GB105002); Within the framework of plane-wave angular spectrum analysis of the electromagnetic field structure, a solution valid for tightly focused radially polarized few-cycle laser pulses propagating in vacuum is presented. T...; 关键词：radially polarized laser pulses few-cycle pulses plane-wave angular spectrum analysis direct laser acceleration of electrons

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