Plane gravitational waves under a non-zero cosmological constant

Details Plane gravitational waves under a non-zero cosmological constant Plane gravitational waves under a non-zero cosmological constant

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988acaps...8...94l&link_type=abstract

(Acta Astrophysica Sinica, vol. 8, 1988, p. 94-98) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 12, Sept. 1988, p.

Astronomy and Astrophysics

Astrophysics

2

Cosmology, Gravitational Waves, Plane Waves, Dipoles, Dispersion, Wave Propagation

Scientific paper

The question of plane gravitational waves when the cosmological constant Lambda does not equal 0 is considered. Under weak field approximation, their propagation and dispersion equations are derived. Gravitational radiation is discussed. It is concluded that, unlike the case of Lambda = 0, dipole radiation is found in the mixed field when Lambda is less than 0.

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