Looking for new physics today requires a broad approach, including proposing new table-top searches for dark matter, testing new ideas using well-established experiments, revisiting early universe cosmology calculations and examining overlooked astrophysical datasets.

Other topics of interest include: axions [1], dark matter direct detection [2–4], Big-Bang Nucleosynthesis [5], and the cosmic radio background [6], and more!

Bibliography

[1] Hongwan Liu, Brodi D. Elwood, Matthew Evans and Jesse Thaler, “Searching for Axion Dark Matter with Birefringent Cavities”, PRD 100, 023548 (2019), arXiv:1809.01656

[2] Masha Baryakhtar, Asher Berlin, Hongwan Liu and Neal Weiner, “Electromagnetic Signals of Inelastic Dark Matter Scattering”, JHEP 06, 047 (2022), arXiv:2006.13918

[3] Asher Berlin, Hongwan Liu, Maxim Pospelov and Harikrishnan Ramani, “Low-Energy Signals from the Formation of Dark Matter-Nuclear Bound States”, PRD 106, 095208 (2022), arXiv:2110.06217

[4] Asher Berlin, Hongwan Liu, Maxim Pospelov and Harikrishnan Ramani, “The Terrestrial Density of Strongly-Coupled Relics”, PRD 106, 095208 (2022), arXiv:2110.06217

[5] Cara Giovanetti, Mariangela Lisanti, Hongwan Liu and Joshua T. Ruderman, “Joint Cosmic Microwave Background and Big Bang Nucleosynthesis Constraints on Light Dark Sectors with Dark Radiation”, PRL 129, 021302 (2022), arXiv:2109.03246

[6] Andrea Caputo, Hongwan Liu, Siddharth Mishra-Sharma, Maxim Pospelov and Joshua T. Ruderman, “Radio Excess from Stimulated Dark Matter Decay”, PRD 107 123033 (2023), arXiv:2206.07713