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Electromagnetic outflows in a class of scalar-tensor theories: binary neutron star coalescence
Marcelo Ponce, Carlos Palenzuela, Enrico Barausse +1
As we showed in previous work, the dynamics and gravitational emission of binary neutron star systems in certain scalar-tensor theories can differ significantly from that expected…
Projected Constraints on Scalarization with Gravitational Waves from Neutron Star Binaries
Laura Sampson, Nicolas Yunes, Neil Cornish +5
Certain scalar-tensor theories have the property of endowing stars with scalar hair, sourced either by the star's own compactness (spontaneous scalarization) or, for binary systems…
Interaction of misaligned magnetospheres in the coalescence of binary neutron stars
Marcelo Ponce, Carlos Palenzuela, Luis Lehner +1
We study the dependence of the electromagnetic luminosity --produced by interactions of force-free magnetospheres-- on dipole inclinations in binary neutron star systems. We show t…
Dynamical scalarization of neutron stars in scalar-tensor gravity theories
Carlos Palenzuela, Enrico Barausse, Marcelo Ponce +1
We present a framework to study generic neutron-star binaries in scalar-tensor theories of gravity. Our formalism achieves this goal by suitably interfacing a post-Newtonian orbita…
Linking electromagnetic and gravitational radiation in coalescing binary neutron stars
Carlos Palenzuela, Luis Lehner, Steven L. Liebling +4
We expand on our study of the gravitational and electromagnetic emissions from the late stage of an inspiraling neutron star binary as presented in Ref. \cite{Palenzuela:2013hu}. I…
Gravitational and electromagnetic outputs from binary neutron star mergers
Carlos Palenzuela, Luis Lehner, Marcelo Ponce +4
The late stage of an inspiraling neutron star binary gives rise to strong gravitational wave emission due to its highly dynamic, strong gravity. Moreover, interactions between the…