Ion Cyclotron Drift Waves in Plasmas with Controlled Radial Density Distributions

1987 ◽  
Vol 26 (Part 1, No. 3) ◽  
pp. 444-450
Author(s):  
Masashi Kando ◽  
Shunjiro Ikezawa ◽  
Hideo Sugai ◽  
Shigeru Kishimoto
Keyword(s):  
Drift Waves ◽  
Radial Density ◽  
Density Distributions ◽  
Ion Cyclotron

Excitation of Azimuthally Propagating Ion-Cyclotron Drift Waves in Large Magnetized Plasma

1988 ◽  
Vol 27 (Part 1, No. 11) ◽  
pp. 2128-2133
Author(s):  
Masashi Kando ◽  
Shigeru Kishimoto ◽  
Hideo Sugai ◽  
Shunjiro Ikezawa
Keyword(s):  
Magnetized Plasma ◽  
Drift Waves ◽  
Ion Cyclotron

The stabilization of alkoxide anions

1969 ◽  
Vol 47 (12) ◽  
pp. 2306-2307 ◽  
Author(s):  
N. C. Baird
Keyword(s):  
Electron Density ◽  
Molecular Orbital ◽  
Cyclotron Resonance ◽  
Molecular Orbital Calculations ◽  
Ion Cyclotron Resonance ◽  
Density Distributions ◽  
Alkyl Groups ◽  
Valence Electrons ◽  
Ion Cyclotron

Molecular orbital calculations by the MINDO method are reported for the valence electrons of HO− and a number of small alkoxide anions. The acidity order [Formula: see text] is predicted, in agreement with recent ion cyclotron resonance studies. The electron density distributions within the ions are discussed with reference to current models of the polarizability of alkyl groups.

1.0 millimeter maps and radial density distributions of Southern H II/molecular cloud complexes

1980 ◽  
Vol 240 ◽  
pp. 74 ◽  
Author(s):  
L. H. Cheung ◽  
J. A. Frogel ◽  
M. G. Hauser ◽  
D. Y. Gezari
Keyword(s):  
Molecular Cloud ◽  
Radial Density ◽  
Density Distributions

Nonlinear interaction of electrostatic ion-cyclotron and drift waves in plasmas

1996 ◽  
Vol 56 (1) ◽  
pp. 187-191 ◽  
Author(s):  
O. A. Pokhotelov ◽  
L. Stenflo ◽  
P. K. Shukla
Keyword(s):  
Nonlinear Interaction ◽  
Ponderomotive Force ◽  
Modulational Instability ◽  
Low Frequency ◽  
Drift Waves ◽  
Nonlinear Coupling ◽  
Constant Amplitude ◽  
Ion Cyclotron Waves ◽  
Ion Cyclotron ◽  
Model Equations

Model equations describing the nonlinear coupling between electrostatic ion-cyclotron and drift waves are derived, taking into account the action of the low-frequency ponderomotive force associated with the ion-cyclotron waves. It is found that this interaction is governed by a pair of equations, which can be used for studying the modulational instability of a constant amplitude ion-cyclotron wave as well as the dynamics of nonlinearly coupled ion-cyclotron and drift waves.

scholarly journals Experimental and theoretical study of the radial density distributions of large3Hedroplets

2001 ◽  
Vol 63 (18) ◽  
Author(s):  
Jan Harms ◽  
J. Peter Toennies ◽  
Manuel Barranco ◽  
Marti Pi
Keyword(s):  
Theoretical Study ◽  
Radial Density ◽  
Density Distributions

scholarly journals Radial Structure of Electron Drift Waves in Tokamak Geometry

1999 ◽  
Vol 52 (1) ◽  
pp. 59
Author(s):  
J. L. V. Lewandowski
Keyword(s):  
Low Pressure ◽  
Tokamak Plasma ◽  
Drift Waves ◽  
Electron Drift ◽  
Radial Density ◽  
Mode Amplitude ◽  
First Approximation ◽  
Field Diffusion ◽  
Radial Structure ◽  
Toroidal Geometry

The radial structure of electron drift waves in a low-pressure tokamak plasma is presented. The ions are cold and an electrostatic approximation for the fluctuating potential is used. It is shown that problem of the radial structure of drift waves in toroidal geometry is amenable to a two-step solution; in the first approximation, the radial structure of the mode is neglected and the problem to be solved is the usual eigenmode equation along the (extended) poloidal angle; in the second approximation, the mode amplitude is expanded in ascending powers of the parameter (k⊥Ln)–1/2, where k⊥ is the magnitude of the lowest-order wavevector and Ln is the radial density scalelength. The implications of these radially-extended drift-type modes for the anomalous cross-field diffusion are discussed.

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