Probing Massive Scalar Fields from a Pulsar in a Stellar Triple System. (arXiv:1908.03353v1 [gr-qc])
<a href="http://arxiv.org/find/gr-qc/1/au:+Seymour_B/0/1/0/all/0/1">Brian C. Seymour</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Yagi_K/0/1/0/all/0/1">Kent Yagi</a>
Pulsar timing observations precisely test general relativity. The
hierarchical triple system PSR J0337+1715 has placed new constraints on the
existence of the fifth force. We here develop a generic formalism for the fifth
force effect in theories involving massive scalar fields arising from e.g.
string theory. With PSR J0337 measurements, we find the strongest bound on the
simplest theory with a massive scalar field beyond general relativity and
derive new constraints in other theories with axions, dark matter mediators and
higher-curvature corrections.
Pulsar timing observations precisely test general relativity. The
hierarchical triple system PSR J0337+1715 has placed new constraints on the
existence of the fifth force. We here develop a generic formalism for the fifth
force effect in theories involving massive scalar fields arising from e.g.
string theory. With PSR J0337 measurements, we find the strongest bound on the
simplest theory with a massive scalar field beyond general relativity and
derive new constraints in other theories with axions, dark matter mediators and
higher-curvature corrections.
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