Absence of scalar hair in scalar-tensor gravity
Valerio Faraoni, Thomas P. Sotiriou
TL;DR
This paper proves that stationary, asymptotically flat black holes in scalar-tensor gravity theories cannot have scalar hair and are identical to those in General Relativity.
Contribution
It demonstrates the absence of scalar hair in black holes within scalar-tensor theories, confirming their equivalence to General Relativity for such solutions.
Findings
Black holes in scalar-tensor theories lack scalar hair.
Black hole solutions are identical to those in General Relativity.
Supports the no-hair conjecture in scalar-tensor gravity.
Abstract
Stationary, asymptotically flat black holes in scalar-tensor theories of gravity are studied. It is shown that such black holes have no scalar hair and are the same as in General Relativity.
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