Parametric instability in scalar gravitational fields

Trevor B. Davies, Charles Hou-Tzao Wang, Robert Bingham, J. Tito Mendonca

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We present a brief review on a new dynamical mechanism for a strong field effect in scalar–tensor theory. Starting with a summary of the essential features of the theory and subsequent work by several authors, we analytically investigate the parametric excitation of a scalar gravitational field in a spherically symmetric radially pulsating neutron star.

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Original languageEnglish
Article number1230023
Number of pages15
JournalModern Physics Letters A
Issue number24
Publication statusPublished - 10 Aug 2012


  • spontaneous scalarization
  • parametric instability
  • quasi-normal mode
  • proto-neutron star


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