期刊
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
卷 246, 期 -, 页码 45-57出版社
ELSEVIER
DOI: 10.1016/j.nuclphysbps.2013.10.064
关键词
Cosmic Strings; CMB Polarization; 21cm Redshift Surveys
Cosmic strings are predicted in many models beyond the Standard Model of particle physics. In such models, a network of strings will inevitably be formed in a phase transition in the early universe and will persist to the present time. Strings leave behind distinctive features in cosmology. Searching for these signatures in new observational windows provides a way to constrain particle physics at the high energy scale and is thus complementary to searches for new physics at the low energy end, for example at the LHC. Specifically, I will discuss signatures of cosmic strings in cosmic microwave background polarization maps and in 21cm redshift surveys.
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