On an application of perturbation methods to the beam-beam interaction

1980 ◽  
Author(s):  
Tassos Bountis
Keyword(s):  
Perturbation Methods ◽  
Beam Interaction

Effect of the Distance of Plasma–Beam Interaction on the Oscillation Regimes in a Plasma Relativistic Microwave Oscillator

2019 ◽  
Vol 40 (5) ◽  
pp. 435-446
Author(s):  
I. L. Bogandkevich ◽  
S. E. Andreev ◽  
N. G. Gusein-zade ◽  
D. K. Ulyanov
Keyword(s):  
Microwave Oscillator ◽  
Plasma Beam ◽  
Beam Interaction

scholarly journals Existence Results for the Conformal Dirac–Einstein System

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Chiara Guidi ◽  
Ali Maalaoui ◽  
Vittorio Martino
Keyword(s):  
Perturbation Methods ◽  
Existence Of Solutions ◽  
Coupled System ◽  
Existence Results ◽  
First Variation ◽  
The First Variation

AbstractWe consider the coupled system given by the first variation of the conformal Dirac–Einstein functional. We will show existence of solutions by means of perturbation methods.

A general iterative time-independent perturbation theory

1985 ◽  
Vol 63 (9) ◽  
pp. 1157-1161 ◽  
Author(s):  
F. Castaño ◽  
L. Laín ◽  
M. N. Sanchez ◽  
A. Torre
Keyword(s):  
Perturbation Theory ◽  
Power Series ◽  
Iterative Method ◽  
Perturbation Methods ◽  
Lennard Jones ◽  
Insight Into ◽  
Considerable Insight

An iterative method for time-independent perturbation theory is presented. Lennard-Jones–Brillouin–Wigner (LBW) and Rayleigh–Schrödinger (RS) power series are shown to be particular cases of the iteration and the combined expansion–iteration. Improvements in convergence of the power series are suggested and analyzed.The iterative method gives considerable insight into the nature and relative convergence of the currently used time-independent perturbation methods.

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