期刊
PHYSICAL REVIEW LETTERS
卷 110, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.151104
关键词
-
资金
- Research Council of Norway
Scalar fields are crucial components in high energy physics and extensions of general relativity. The fact that they are not observed in the Solar System may be due to a mechanism which screens their presence in high dense regions. We show how observations of the ellipticity of galaxy clusters can discriminate between models with and without scalar fields and even between different screening mechanisms. Using current x-ray observations we put novel constraints on the different models. DOI: 10.1103/PhysRevLett.110.151104
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