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Astrophysics

, Volume 40, Issue 3, pp 244–251 | Cite as

Signals from SN 1987A in Amaldi-Weber antennas as the possible detection of scalar gravitational waves

  • Yu. V. Baryshev
Article

Abstract

An equation is obtained for the cross section of a metal Weber cylinder for scalar gravitational waves, which are possible within the framework of the field theory of gravitation. It is shown that the signals detected by the Amaldi and Weber antennas during the explosion of supernova SN 1987A can be interpreted as the result of the action of scalar gravitational waves on solid-state detectors. The required energy of the gravitational waves is about 1 Mc2. Together with the observed excess (about 1 %) of gravitational radiation from the binary system containing the pulsar PSR 1913+16, the signals from SN 1987A are the second piece of observational evidence for the actual existence of scalar gravitational waves. The present-day, third-generation, solid-state antennas are capable of detecting scalar waves from events like SN 1987A at a distance up to 5 Mpc. The expected level of the signal from SN 19931 is about 7 mK. An experimental test of the longitudinal nature of scalar waves is possible using interferometric antennas based on free masses.

Keywords

Gravitational Wave Gravitational Radiation Scalar Wave Large Magellanic Cloud Gravitational Antenna 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • Yu. V. Baryshev
    • 1
  1. 1.Astronomical Institute of St. Petersburg UniversityRussia

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