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Soliton collision in general relativity

Authors
Journal
Physical Review Letters
0031-9007
Publisher
American Physical Society
Publication Date
Keywords
  • Relativitat General (Física)
  • Solitons
  • Partícules (Física Nuclear)
  • Ones Gravitacionals
  • Col·Lisions (Física Nuclear)
  • General Relativity (Physics)
  • Particles (Nuclear Physics)
  • Gravitational Waves
  • Collisions (Nuclear Physics)
Disciplines
  • Astronomy
  • Physics

Abstract

An exact solution of the Einstein equations in vacuum representing two pairs of gravitational solitons propagating on an expanding universe is given and studied. It is suggested that the solitons evolve from quasiparticles to pure gravitational waves. Two of the four solitons collide and the focusing produced on null rays is studied. Although the spacetime following the collision is highly distorted, null rays do not focus to a singularity.

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