搜索结果: 106-120 共查到“知识库 等离子体物理学”相关记录502条 . 查询时间(1.186 秒)
Polarized Beam Conditioning in Plasma Based Acceleration
Polarized Beam Plasma Acceleration
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2011/8/11
Abstract: The acceleration of polarized electron beams in the blowout regime of plasma-based acceleration is explored. An analytical model for the spin precession of single beam electrons, and depolar...
A model for red blood cells in simulations of large-scale blood flows
red blood cells model simulations large-scale blood flows
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2011/8/11
Abstract: Red blood cells (RBCs) are an essential component of blood. A method to include the particulate nature of blood is introduced here with the goal of studying circulation in large-scale realis...
羧基化碳点-铝(Ⅲ)复合荧光探针定量检测氟离子
CDs 复合荧光探针 氟离子
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2013/8/30
制备了羧基化碳点(CDs)并利用其羧基与金属离子的配位特性构建了三价铝离子(Al3+)-CDs 复合荧光探针, 进一步利用氟离子与羧基对金属铝离子的竞争特性建立了环境中氟离子的定量检测方法. 结果表明, Al3+使表面羧基化荧光CDs 簇集而发生显著的荧光猝灭. 当F-存在时, 由于F-能与Al3+发生强烈相互作用, CDs 分散, 荧光恢复. 据此建立荧光增强定量检测 F-的方法, 其线性范围为...
Determining the wavelength of Langmuir wave packets at the Earth's bow shock
wavelength Langmuir wave packets Earth's bow shock
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2011/8/5
Abstract: The propagation of Langmuir waves in plasmas is known to be sensitive to density fluctuations. Such fluctuations may lead to the coexistence of wave pairs that have almost opposite wave-numb...
Mechanism of Stepped Leaders in a Simple Discharge Model
Mechanism Stepped Leaders Discharge Model Plasma Physics
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2011/8/5
Abstract: We construct a one-dimensional model for the stepped leader in the filamental discharge by simplifying an electric-circuit model of discharge. We find that the leader of the discharge moves ...
Dispersion relations for circular single and double dusty plasma chains
Dispersion relations circular single and double dusty plasma chains
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2011/8/5
Abstract: We derive dispersion relations for a system of identical particles confined in a two-dimensional annular harmonic well and which interact through a Yukawa potential, e.g., a dusty plasma rin...
New Way to Produce Dense Double-Antikaonic Dibaryon System, \bar{K}\bar{K} NN, through Lambda(1405)-Doorway Sticking in p+p Collisions
Produce Dense Double-Antikaonic Dibaryon System
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2011/7/20
A recent successful observation of a dense and deeply bound \bar{K} nuclear system, K^-pp, in the p + p \rightarrow K^+ + K^-pp reaction in a DISTO experiment indicates that the double-\bar{K} dibaryo...
Subtlety in the Use of Maxwell's Equation and a New Electromagnetic Wave in Electron Plasmas
Subtlety Maxwell's Equation New Electromagnetic Wave Electron Plasmas
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2011/8/5
Abstract: The ambiguity involved in the use of Maxwell's equation particularly in electron plasmas is discussed. It is pointed out that in the slow time scale perturbations the displacement current is...
Numerical simulation of copper ablation by ultrashort laser pulses
Numerical simulation copper ablation ultrashort laser pulses
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2011/8/5
Abstract: Using a modified self-consistent one-dimensional hydrodynamic lagrangian fluid code, laser ablation of solid copper by ultrashort laser pulses in vacuum was simulated to study fundamental me...
Excitation of plasmons in two-dimensional electron gas with defects by microwaves: Wake-field method
plasmons two-dimensional electron gas microwaves Wake-field method
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2011/8/17
Abstract: We develop an analytical method to find plasmons generated by microwaves in a two-dimensional electron gas with defects. The excitations are expressed in terms of the wake field of a charged...
Gravitational instability of the primordial plasma: anisotropic evolution of structure seeds
Cosmological perturbations Cosmological magnetic fields Structure formation Magnetohydrodynamics
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2011/8/17
Abstract: We study how the presence of a background magnetic field, of intensity compatible with current observation constraints, affects the linear evolution of cosmological density perturbations at ...
Nonlinear propagation of light in Dirac matter
Nonlinear propagation light Dirac matter Plasma Physics
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2011/8/5
Abstract: The nonlinear interaction between intense laser light and a quantum plasma is modeled by a collective Dirac equation coupled with the Maxwell equations. The model is used to study the nonlin...
Adiabatic nonlinear waves with trapped particles: Part II. Wave dispersion
adiabatic nonlinear waves trapped particles Wave dispersion
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2011/10/8
Abstract: A general nonlinear dispersion relation is derived in a nondifferential form for a quasistationary sinusoidal Langmuir wave in collisionless plasma, allowing for an arbitrary distribution of...
Adiabatic nonlinear waves with trapped particles: Part I. General formalism
adiabatic nonlinear waves General formalism trapped particles Plasma Physics
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2011/10/8
Abstract: A Lagrangian formalism is developed for a general nondissipative quasiperiodic nonlinear wave with trapped particles in collisionless plasma. The adiabatic time-averaged Lagrangian density L...
Adiabatic nonlinear waves with trapped particles: Part I. General formalism
Adiabatic nonlinear waves trapped particles General formalism
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2011/8/4
Abstract: A Lagrangian formalism is developed for a general nondissipative quasiperiodic nonlinear wave with trapped particles in collisionless plasma. The adiabatic time-averaged Lagrangian density L...