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Collision of arbitrary strong gravitational and electromagnetic waves in the expanding universe | | G.A. Alekseev
; | | Date: |
11 Nov 2015 | | Abstract: | A completely analytical model of the process of collision and nonlinear
interaction of gravitational and electromagnetic soliton wave pulses and strong
electromagnetic travelling waves of arbitrary profiles propagating in the
expanding universe (symmetric Kasner space-time) is presented. In contrast to
intuitive expectations that rather strong travelling waves can destroy the
soliton, it occurs that the soliton survives during its interaction with
electromagnetic wave of arbitrary amplitude and profile, but its parameters
begin to evolve under the influence of this interaction. If a travelling
electromagnetic wave possesses a finite duration, the soliton parameters after
interaction take constant values again, but these values in general are
different from those before the interaction. Based on exact solutions of
Einstein - Maxwell equations, our model demonstrates a series of nonlinear
phenomena, such as (a) creation of gravitational waves in the collision of two
electromagnetic waves, (b) creation of electromagnetic soliton wave in the
collision of gravitational soliton with travelling electromagnetic wave, (c)
scattering of a part of soliton wave in the direction of propagation of
travelling electromagnetic wave, (d) quasiperiodic oscillating character of
fields in the wave interaction region and multiple mutual transformations of
gravitational and electromagnetic waves in this region. The figures illustrate
these features of nonlinear wave interactions in General Relativity. | | Source: | arXiv, 1511.3335 | | Services: | Forum | Review | PDF | Favorites | |
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