681_1.PDF
... radiation source which uses the kinetic energy of a charged particle can be operated "in reverse" and used as an accelerator. In an accelerator the externally supplied energy of the electromagnetic field is transferred to the charged particle bunch. To our knowledge, the idea of injecting microwaves ...
... radiation source which uses the kinetic energy of a charged particle can be operated "in reverse" and used as an accelerator. In an accelerator the externally supplied energy of the electromagnetic field is transferred to the charged particle bunch. To our knowledge, the idea of injecting microwaves ...
INTERACTION OF ELECTROMAGNETIC WAVE AND PLASMA
... the analysis of electromagnetic wave propagation through plasmas [8]. Guo and Wang [11] have studied the characteristics of electromagnetic wave incidence onto unmagnetized uniform plasma layer covering a metal surface in atmosphere conditions as the function of plasma parameters. Interaction betwee ...
... the analysis of electromagnetic wave propagation through plasmas [8]. Guo and Wang [11] have studied the characteristics of electromagnetic wave incidence onto unmagnetized uniform plasma layer covering a metal surface in atmosphere conditions as the function of plasma parameters. Interaction betwee ...
r - UCLA IGPP
... – If the force is charge independent the drift motion will depend on the sign of the charge and can form perpendicular currents. – Forces resembling the above gravitational force can be generated by centrifugal acceleration of orbits moving along curved fields. This is the origin of the term “gravit ...
... – If the force is charge independent the drift motion will depend on the sign of the charge and can form perpendicular currents. – Forces resembling the above gravitational force can be generated by centrifugal acceleration of orbits moving along curved fields. This is the origin of the term “gravit ...
Document
... When charges move, the disturbance in the E-field affects other charges. An E-field can store charge. An E-field can be channeled An E-field teamed with a magnetic field can move through empty space. through metal wires. ...
... When charges move, the disturbance in the E-field affects other charges. An E-field can store charge. An E-field can be channeled An E-field teamed with a magnetic field can move through empty space. through metal wires. ...
NUMERICAL TRANSPORT CODES JPHEOngena1, I
... is solved as a 2D problem, assuming nested flux surfaces and a prescribed boundary or a boundary reconstruction (with magnetic measurements and some diagnostic data from the plasma interior using a code like EFIT[15]) to define the flux surfaces. These are then characterized with a 1D ‘label’; in th ...
... is solved as a 2D problem, assuming nested flux surfaces and a prescribed boundary or a boundary reconstruction (with magnetic measurements and some diagnostic data from the plasma interior using a code like EFIT[15]) to define the flux surfaces. These are then characterized with a 1D ‘label’; in th ...
Electron acoustic solitary waves with kappa
... four-component unmagnetized plasma composed of cold background electrons, a cold electron beam, and cold and hot ions having Boltzmann distributions. The coexistence of rarefactive and compressive electron-acoustic solitary modes was predicted for specific plasma parameters. Ghosh et al [30] studied ...
... four-component unmagnetized plasma composed of cold background electrons, a cold electron beam, and cold and hot ions having Boltzmann distributions. The coexistence of rarefactive and compressive electron-acoustic solitary modes was predicted for specific plasma parameters. Ghosh et al [30] studied ...
Magnetohydrodynamics (MHD).
... MHD describes large scale, slow dynamics of plasmas. More specifically, we can apply MHD when 1. Characteristic time ion gyroperiod and mean free path time, 2. Characteristic scale ion gyroradius and mean free path length, 3. Plasma velocities are not relativistic. In MHD, the plasma is consider ...
... MHD describes large scale, slow dynamics of plasmas. More specifically, we can apply MHD when 1. Characteristic time ion gyroperiod and mean free path time, 2. Characteristic scale ion gyroradius and mean free path length, 3. Plasma velocities are not relativistic. In MHD, the plasma is consider ...
Measurement of the energy distribution of trapped and free electrons
... from the downstream plasma, in the sense that there is nowhere a positive slope in the EEDF. It does show that upstream, the depleted tail electrons clearly arrive from downstream and thus, on their own, can be considered an accelerated group of downstream electrons entering the upstream population. ...
... from the downstream plasma, in the sense that there is nowhere a positive slope in the EEDF. It does show that upstream, the depleted tail electrons clearly arrive from downstream and thus, on their own, can be considered an accelerated group of downstream electrons entering the upstream population. ...
Magnetic field induced transition rates in Ne- and Be
... The effects of magnetic fields are important in many astrophysical or laboratory plasmas and their strengths are crucial plasma parameters. In addition to Zeeman splitting, the magnetic interaction also breaks the symmetry of an atomic system allowing atomic states with the same magnetic quantum num ...
... The effects of magnetic fields are important in many astrophysical or laboratory plasmas and their strengths are crucial plasma parameters. In addition to Zeeman splitting, the magnetic interaction also breaks the symmetry of an atomic system allowing atomic states with the same magnetic quantum num ...
V - UNH Experimental Space Plasma Group
... rest frame of a background plasma, which has a significant bulk flow w.r.t. the rest frame in which the population originated. Let us look at some of the interactions more closely. The gyroradii of energetic particles are generally large compared with the length scales of the fluctuations (wavelengt ...
... rest frame of a background plasma, which has a significant bulk flow w.r.t. the rest frame in which the population originated. Let us look at some of the interactions more closely. The gyroradii of energetic particles are generally large compared with the length scales of the fluctuations (wavelengt ...
**** 1
... To understand correlation between 3D magnetic field structure and effective plasma boundary, correlation lengths ( LC and Lk) and electron mean free path le are studied. ...
... To understand correlation between 3D magnetic field structure and effective plasma boundary, correlation lengths ( LC and Lk) and electron mean free path le are studied. ...
(necessary technical details) Explain very basics of tokamak physics
... refer to an embryonic or incomplete substance Similarly, golem is often used today in metaphor as an entity serving man under controlled conditions but hostile to him in others. ...
... refer to an embryonic or incomplete substance Similarly, golem is often used today in metaphor as an entity serving man under controlled conditions but hostile to him in others. ...
The collective effects of intense ion and electron beams propagating
... beam pulses propagating in plasma. – Presence of the magnetic field clearly makes the collective processes of beam-plasma interactions rich in physics content. zDeveloped an analytical model of the filaments structure of electron beams during the Weibel ...
... beam pulses propagating in plasma. – Presence of the magnetic field clearly makes the collective processes of beam-plasma interactions rich in physics content. zDeveloped an analytical model of the filaments structure of electron beams during the Weibel ...
Lawrence Livermore National Laboratory Radiation
... • Virtual experiment • Particle equations of motion are solved exactly • All response- and correlation- ...
... • Virtual experiment • Particle equations of motion are solved exactly • All response- and correlation- ...
nuclear fusion
... l00 MHz. Such waves are magnetic field generated by klystrons. direction of Electrons are much lighter electric field than ions and are heated by electromagnetic waves generated by gyrotrons at much higher frequencies between 60 and l70 GHz. The helium nuclei (alpha-particles) produced when Deuteriu ...
... l00 MHz. Such waves are magnetic field generated by klystrons. direction of Electrons are much lighter electric field than ions and are heated by electromagnetic waves generated by gyrotrons at much higher frequencies between 60 and l70 GHz. The helium nuclei (alpha-particles) produced when Deuteriu ...
Wire explosion – what we can learn and how can we use it?
... • To avoid plasma formation at the surface of the cathode screen electrode • To increase duration of the microwave pulse up to 400 ns • To obtain microwave pulse with energy of 100 J (400 ns, 250 MW) ...
... • To avoid plasma formation at the surface of the cathode screen electrode • To increase duration of the microwave pulse up to 400 ns • To obtain microwave pulse with energy of 100 J (400 ns, 250 MW) ...
Principles of ”Particle in cell” simulations
... equation of motion and to accordingly change position and velocity of particles. Then we repeat the procedure until we obtain the wanted result. Basic scheme of computational cycle is in Figure 1. In every step time changes for ∆t. The size of time step is chosen considering physical phenomena we ar ...
... equation of motion and to accordingly change position and velocity of particles. Then we repeat the procedure until we obtain the wanted result. Basic scheme of computational cycle is in Figure 1. In every step time changes for ∆t. The size of time step is chosen considering physical phenomena we ar ...
The impact of black holes on the Universe
... galactic nuclei formed suddenly – they formed small and grew by feeding ...
... galactic nuclei formed suddenly – they formed small and grew by feeding ...
"Tailored Particle Beams from Single-Component Plasmas" Non-Neutral Plasma Physics VII , J.R. Danielson and T.S. Pedersen Eds., AIP Conf. Proc. No. 1114 (New York, 2009), pp. 171-178. T. R. Weber, J. R. Danielson, and C. M. Surko (PDF)
... center of the single-component plasma by carefully lowering an end-gate confining potential. Much of this paper is an overview of recent work that is described in more detail elsewhere [5, 6]. Many applications require positron or antiproton beams with small transverse spatial extent and small energ ...
... center of the single-component plasma by carefully lowering an end-gate confining potential. Much of this paper is an overview of recent work that is described in more detail elsewhere [5, 6]. Many applications require positron or antiproton beams with small transverse spatial extent and small energ ...
Peaceful Uses of Fusion - Nuclear Sciences and Applications
... field the energy will be strictly conserved. Two " adiabatic invariants " are also very accurately preserved, even though they vary to a small extent. These are the magnetic moment of the spiraling particle in a direction along the magnetic line and the action jp y dq. Herein is the momentum of the ...
... field the energy will be strictly conserved. Two " adiabatic invariants " are also very accurately preserved, even though they vary to a small extent. These are the magnetic moment of the spiraling particle in a direction along the magnetic line and the action jp y dq. Herein is the momentum of the ...
PPT - DOE Plasma Science Center
... Breakdown process inside gas phase Because of high molecular density in water, electronic ...
... Breakdown process inside gas phase Because of high molecular density in water, electronic ...
GEC_2011_Bucktian_v05_web
... Breakdown process inside gas phase Because of high molecular density in water, electronic ...
... Breakdown process inside gas phase Because of high molecular density in water, electronic ...
k - 核工业西南物理研究院
... Nonlinearity of LH wave absorption The plasma temperature in HL-2A is much lower than that in future reactor. To establish RS configuration, the LH driven current should be located off-axis where the plasma temperature is even lower, and the plasma absorption of high phase velocity LH waves is too ...
... Nonlinearity of LH wave absorption The plasma temperature in HL-2A is much lower than that in future reactor. To establish RS configuration, the LH driven current should be located off-axis where the plasma temperature is even lower, and the plasma absorption of high phase velocity LH waves is too ...
Propulsion of Plasma by Magnetic Means
... It has been demonstrated " that a small button gun (Fig. 1) can project plasma consisting of metallic ions, deuterium ions, and electrons at speeds up to 2 x 107 cm/sec. These speeds are measured in a vacuum chamber by time-of-flight methods, using a probe and an oscilloscope. The first arriving pla ...
... It has been demonstrated " that a small button gun (Fig. 1) can project plasma consisting of metallic ions, deuterium ions, and electrons at speeds up to 2 x 107 cm/sec. These speeds are measured in a vacuum chamber by time-of-flight methods, using a probe and an oscilloscope. The first arriving pla ...
Plasma (physics)
Plasma (from Greek πλάσμα, ""anything formed"") is one of the four fundamental states of matter, the others being solid, liquid, and gas. A plasma has properties unlike those of the other states.A plasma can be created by heating a gas or subjecting it to a strong electromagnetic field applied with a laser or microwave generator. This decreases or increases the number of electrons, creating positive or negative charged particles called ions, and is accompanied by the dissociation of molecular bonds, if present.The presence of a significant number of charge carriers makes plasma electrically conductive so that it responds strongly to electromagnetic fields. Like gas, plasma does not have a definite shape or a definite volume unless enclosed in a container. Unlike gas, under the influence of a magnetic field, it may form structures such as filaments, beams and double layers.Plasma is the most abundant form of ordinary matter in the Universe (the only matter known to exist for sure, the more abundant dark matter is hypothetical and may or may not be explained by ordinary matter), most of which is in the rarefied intergalactic regions, particularly the intracluster medium, and in stars, including the Sun. A common form of plasmas on Earth is seen in neon signs.Much of the understanding of plasmas has come from the pursuit of controlled nuclear fusion and fusion power, for which plasma physics provides the scientific basis.