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Quadrupole moment and wave generation

  1. Dec 2, 2004 #1
    A large mass with a quadrupole moment, rotating about some axis,
    generates gravitational waves.If there are no other masses close to
    this large,rotating mass,to be affected by the effect it has on
    space-time as it rotates,what defines the large mass as a rotating
    body? In other words:
    is having a rotating quadrupole moment a sufficient condition to
    generate gravitational waves? Would vacuum particles close to the
    large mass "switch on" the generation of gravitational waves by the
    large mass,because vacuum particles
    would respond to the effect the large mass has on space-time, and
    define it as a wave generator?
  2. jcsd
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