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Article Dans Une Revue Physical Review Année : 2015

Colliding impulsive gravitational waves and a cosmological constant

Résumé

We present a space-time model of the collision of two homogeneous, plane impulsive gravitational waves (each having a delta function profile propagating in a vacuum before collision and for which the post-collision space-time has constant curvature. The profiles of the incomong waves are k*\delta(u) and l*\delta(v) where k,l are real constants and u=0, v=0 are the intersecting null hypersurfaces. The cosmological constant \Lambda in the post-collision region of the space-time is given by \Lambda = -6*k*l.
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hal-01203245 , version 1 (30-09-2015)

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  • HAL Id : hal-01203245 , version 1

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Claude Barrabès, P. A. Hogan. Colliding impulsive gravitational waves and a cosmological constant. Physical Review, 2015, Physical Review D, 92, pp.044032. ⟨hal-01203245⟩
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