On spontaneous scalarization
Marcelo Salgado, Daniel Sudarsky (ICN-UNAM), Ulises Nucamendi, (CINVESTAV)
TL;DR
This paper investigates spontaneous scalarization in scalar-tensor gravity theories, revealing its occurrence in regimes contrary to Newtonian predictions and examining its dependence on nuclear matter equations of state.
Contribution
It provides a detailed analysis of spontaneous scalarization in the physical frame and clarifies its conditions and dependence on matter properties.
Findings
Scalarization occurs where Newtonian analysis predicts it should not.
The phenomenon's dependence on the nuclear matter equation of state is analyzed.
Spontaneous scalarization is confirmed to occur in the physical frame.
Abstract
We study in the physical frame the phenomenon of spontaneous scalarization that occurs in scalar-tensor theories of gravity for compact objects. We discuss the fact that the phenomenon occurs exactly in the regime where the Newtonian analysis indicates it should not. Finally we discuss the way the phenomenon depends on the equation of state used to describe the nuclear matter.
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