Parametric instability in scalar gravitational fields

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

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Abstract

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.




Read More: http://www.worldscientific.com/doi/abs/10.1142/S0217732312300236
Original languageEnglish
Article number1230023
Number of pages15
JournalModern Physics Letters A
Volume27
Issue number24
DOIs
Publication statusPublished - 10 Aug 2012

Keywords

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

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