期刊
PHYSICAL REVIEW LETTERS
卷 120, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.131104
关键词
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资金
- H-MSCA-RISE [StronGrHEP-690904]
- COST action [CA16104]
- NSF [PHY-1607130, AST-1716715]
- NASA [NNX16AB98G, 80NSSC17M0041]
- University of Pennsylvania
- European Research Council under the European Union's Seventh Framework Programme (FP7)/ERC [306425]
- STFC [ST/P000703/1] Funding Source: UKRI
- Division Of Physics
- Direct For Mathematical & Physical Scien [1607130] Funding Source: National Science Foundation
We identify a class of scalar-tensor theories with coupling between the scalar and the Gauss-Bonnet invariant that exhibit spontaneous scalarization for both black holes and compact stars. In particular, these theories formally admit all of the stationary solutions of general relativity, but these are not dynamically preferred if certain conditions are satisfied. Remarkably, black holes exhibit scalarization if their mass lies within one of many narrow bands. We find evidence that scalarization can occur in neutron stars as well.
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