期刊
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
卷 -, 期 1, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2019/01/034
关键词
dark energy theory; dark matter theory; reionization
资金
- South African Research Chairs Initiative of the Department of Science and Technology
- National Research Foundation of South Africa
- Competitive Programme for Rated Researchers [91552]
- NSFC [11433001, 11673016]
- National Key Basic Research Program of China [2015CB857001]
- Office of Science and Technology in Shanghai Municipal Government [11DZ2260700]
- National Natural Science Foundation of China [11835009]
- CAS
- NSFC-CAS [U1738125]
We consider the reionization process in a cosmological model in which dark matter interacts with dark energy. Using a semi-analytical reionization model, we compute the evolution of the ionized fraction in terms of its spatial average and linear perturbations. We show that certain types of interactions between dark matter and dark energy can significantly affect the reionization history. We calculate the 21 cm signals in the interaction models, and compare the results with the predictions of the Lambda CDM model.
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