Dispersion characteristics of waves in a waveguide with an annular plasma column

S. Mirzanejhad; B. Maraghechi

doi:10.1063/1.873129

Dispersion characteristics of waves in a waveguide with an annular plasma column

Physics of Plasmas ◽

10.1063/1.873129 ◽

1998 ◽

Vol 5 (11) ◽

pp. 4070-4078 ◽

Cited By ~ 16

Author(s):

S. Mirzanejhad ◽

B. Maraghechi

Keyword(s):

Plasma Column ◽

Dispersion Characteristics

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Dispersion Characteristics of a Plasma Column in a Toroidal Waveguide

IEEE Transactions on Plasma Science ◽

10.1109/tps.2011.2119403 ◽

2011 ◽

Vol 39 (5) ◽

pp. 1204-1212 ◽

Cited By ~ 3

Author(s):

Farzin M. Aghamir ◽

Hadi Zakeri-Khatir ◽

Mohammad Kazem Salem

Keyword(s):

Plasma Column ◽

Dispersion Characteristics

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Dispersion characteristics and field structure of surface waves in a warm inhomogeneous plasma column

Physics of Plasmas ◽

10.1063/1.1777240 ◽

2004 ◽

Vol 11 (9) ◽

pp. 4399-4407 ◽

Cited By ~ 6

Author(s):

Suwon Cho

Keyword(s):

Surface Waves ◽

Plasma Column ◽

Inhomogeneous Plasma ◽

Field Structure ◽

Dispersion Characteristics

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Monte Carlo Algorithms for Moments of Transition Arrays

International Astronomical Union Colloquium ◽

10.1017/s0252921100107468 ◽

1988 ◽

Vol 102 ◽

pp. 79-81

Author(s):

A. Goldberg ◽

S.D. Bloom

Keyword(s):

Monte Carlo ◽

State Vector ◽

Basis Vector ◽

Collective State ◽

Dispersion Characteristics ◽

Dipole Strength ◽

The Third ◽

Monte Carlo Algorithms ◽

Third Moment ◽

Very High

AbstractClosed expressions for the first, second, and (in some cases) the third moment of atomic transition arrays now exist. Recently a method has been developed for getting to very high moments (up to the 12th and beyond) in cases where a “collective” state-vector (i.e. a state-vector containing the entire electric dipole strength) can be created from each eigenstate in the parent configuration. Both of these approaches give exact results. Herein we describe astatistical(or Monte Carlo) approach which requires onlyonerepresentative state-vector |RV> for the entire parent manifold to get estimates of transition moments of high order. The representation is achieved through the random amplitudes associated with each basis vector making up |RV>. This also gives rise to the dispersion characterizing the method, which has been applied to a system (in the M shell) with≈250,000 lines where we have calculated up to the 5th moment. It turns out that the dispersion in the moments decreases with the size of the manifold, making its application to very big systems statistically advantageous. A discussion of the method and these dispersion characteristics will be presented.

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