Continuum field-diffusion charging of particles possessing non-zero initial charge

Nonlinear excitation of electrostatic and magnetostatic zero-frequency modes by finite-amplitude lower-hybrid waves is considered. It is found that modulational instabilities can give rise to enhanced plasma vortices. Dispersion relations, as well as analytical expressions for the growth rates, are obtained. The enhanced vortices may cause anomalous cross-field diffusion which can affect plasma confinement in tokamak devices when lower-hybrid waves are used for plasma heating or current drive. We found that magnetic fluctuations associated with the parametrically driven magnetostatic mode are of particular importance in tokamak plasmas.

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Simulation codes for light-ion diode modeling

Laser and Particle Beams ◽

10.1017/s0263034600007746 ◽

1994 ◽

Vol 12 (2) ◽

pp. 283-324 ◽

Cited By ~ 53

Author(s):

J.P. Quintenz ◽

D.B. Seidel ◽

M.L. Kiefer ◽

T.D. Pointon ◽

R.S. Coats ◽

...

Keyword(s):

Inertial Confinement Fusion ◽

Power Flow ◽

Ion Beam ◽

Inertial Confinement ◽

Beam Diagnostics ◽

Computational Tools ◽

Field Diffusion ◽

Confinement Fusion ◽

Computer Codes ◽

Inertial Confinement Fusion Program

The computational tools used in the investigation of light-ion diode physics at Sandia National Laboratories are described. Applied-B ion diodes are used to generate intense beams of ions and focus these beams onto targets as part of Sandia's inertial confinement fusion program. Computer codes are used to simulate the energy storage and pulse forming sections of the accelerator and the power flow and coupling into the diode where the ion beam is generated. Other codes are used to calculate the applied magnetic field diffusion in the diode region, the electromagnetic fluctuations in the anode-cathode gap, the subsequent beam divergence, the beam propagation, and response of various beam diagnostics. These codes are described and some typical results are shown.

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Size determination of free metal clusters by core-level photoemission from different initial charge states

Physical Review B ◽

10.1103/physrevb.76.081402 ◽

2007 ◽

Vol 76 (8) ◽

Cited By ~ 28

Author(s):

S. Peredkov ◽

S. L. Sorensen ◽

A. Rosso ◽

G. Öhrwall ◽

M. Lundwall ◽

...

Keyword(s):

Metal Clusters ◽

Core Level ◽

Size Determination ◽

Initial Charge ◽

Charge States ◽

Free Metal

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Magnetic field diffusion in metallic and superconducting cylinders

10.15388/vu.thesis.209 ◽

2021 ◽

Author(s):

◽

Vilius Vertelis

Keyword(s):

Magnetic Field ◽

Field Diffusion

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Study on Prelithiation Technology of Hard Carbon Electrode Using Stable Metal Lithium Powder

Journal of Electrochemical Energy Conversion and Storage ◽

10.1115/1.4041980 ◽

2018 ◽

Vol 16 (2) ◽

Cited By ~ 4

Author(s):

Yan-Xian Sun ◽

Hong-Min Guan ◽

Zhao-Hua Jiang ◽

Zhen-Bo Wang

Keyword(s):

Protective Layer ◽

Utilization Efficiency ◽

Carbon Electrode ◽

Lithium Insertion ◽

Hard Carbon ◽

Charge Capacity ◽

Full Contact ◽

Initial Charge ◽

Powder Content ◽

Lithium Powder

The prelithiation of hard carbon electrode using stable metal lithium powder to compensate the lithium loss during the first lithium insertion is studied in this work. The results show that when the pressure on lithium powder surface is 6 MPa, the Li2CO3 protective layer on the surface of stable metal lithium powder is completely squeezed, which is conducive due to the full contact between the metal lithium and the hard carbon. The prelithiation of hard carbon has little effect on the initial charge capacity and cycle life. Both the pre-lithium capacity and the utilization efficiency of lithium powder increase with the increasing of the lithium powder content, and when the amount of lithium powder is 3 g m−2, the utilization efficiency of lithium powder is 56%.

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