104 citations · 258 across the 10 of their papers we have counts for
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Primordial Black Hole Formation from the Upward Step Model: Avoiding Overproduction
Xiaoding Wang, Xiao-Han Ma, Yi-Fu Cai
We investigate the formation of primordial black holes (PBHs) in an upward step inflationary model, where nonlinearities between curvature perturbations and field fluctuations intr…
Gravitational waves from primordial black hole isocurvature: the effect of non-Gaussianities
Xin-Chen He, Yi-Fu Cai, Xiao-Han Ma +3
Ultra-light primordial black holes (PBHs) with masses can dominate transiently the energy budget of the Universe and reheat the Universe throug…
A Compaction Function Analysis of CMB distortion Constraints on Primordial Black Holes
Junyue Yang, Xiaoding Wang, Xiao-Han Ma +4
Primordial black holes (PBHs) are considered viable candidates for dark matter and the seeds of supermassive black holes (SMBHs), with their fruitful physical influences providing…
Ultra-light dark matter with non-canonical kinetics reopening the mass window
Shiyun Lu, Amara Ilyas, Xiao-Han Ma +3
Fuzzy dark matter (FDM) with mass around eV is viewed as a promising paradigm in understanding the structure formation of the local universe at small scales. Recent obse…
New probe of non-Gaussianities with primordial black hole induced gravitational waves
Theodoros Papanikolaou, Xin-Chen He, Xiao-Han Ma +3
We propose a new probe of primordial non-Gaussianities (NGs) through the observation of gravitational waves (GWs) induced by ultra-light () primordial…