Colliding plane waves in F(R)=RN gravity

Tahamtan, T.; Halilsoy, Mustafa; Mazharimousavi, S. Habib

doi:10.1140/epjp/i2016-16350-9

Cited by 4 publications

(2 citation statements)

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“…We identify two incoming conformally flat (CF) sources that collide and reproduce the non-CF interaction region which is locally isometric to our static metric of TOLG, or equivalently to the particular case of static MK spacetime. We argue that this behavior is different from the collision of null electromagnetic waves [20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 69%

Confinement and null-source collision in a particular 4-dimensional third-order Lovelock gravity

2023

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Recently the 4-dimensional Gauss-Bonnet (GB) theory has been extended by introducing a new parameter of the form αD-4 where α is a nonzero real parameter. The idea also has been extended to higher-order pure Lovelock theory by rescaling the parameter in a similar manner. In a particular third-order Lovelock spacetime we investigate particle conﬁnement, the absence of ﬂat rotation curves, and the possible collision of null sources that gives rise locally to such a static spacetime.

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Section: Introductionmentioning

confidence: 69%

Confinement and null-source collision in a particular 4-dimensional third-order Lovelock gravity

2023

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“…Let us note that the problem of identifying plane waves and studying their collision in modified theories has not been considered extensively. Exceptional works are colliding waves in F (R) = R N (N > 1) gravity in 3+1-dimensions [5],which shows much similarity to the colliding electromagnetic waves in Einstein s gravity [6][7]. Due to the inherent non-linearity involved, which is less stringent in general relativity, finding exact solutions to such problems remain challenging.…”

Section: Introductionmentioning

confidence: 99%