Plane Gravitational Waves, the Kinetic Energy of Free Particles and the Memory Effect

J. W. Maluf; J. F. Rocha-Neto; S. C. Ulhoa; F. L. Carneiro

doi:10.1134/S020228931803009X

Plane Gravitational Waves, the Kinetic Energy of Free Particles and the Memory Effect

Authors: Maluf J.W.¹, Rocha-Neto J.F.¹, Ulhoa S.C.¹, Carneiro F.L.¹
Affiliations:
1. Instituto de Física
Issue: Vol 24, No 3 (2018)
Pages: 261-266
Section: Article
URL: https://journals.rcsi.science/0202-2893/article/view/176202
DOI: https://doi.org/10.1134/S020228931803009X
ID: 176202

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Abstract

It is shown that in the passage of a short burst of nonlinear plane gravitational wave, the kinetic energy of free particles may either decrease or increase. The decrease or increase of the kinetic energy crucially depends on the initial conditions (position and velocity) of the a particle. Therefore a plane gravitational wave may extract energy from a physical system.