173 citations · 766 across the 17 of their papers we have counts for
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hep-ph2019★ 96 cited
Probing P and CP Violations on the Cosmological Collider
Tao Liu, Xi Tong, Yi Wang +1
In direct analogy to the 4-body decay of a heavy scalar particle, the 4-point correlation function of primordial fluctuations carries P and CP information. The CP violation appears…
astro-ph.CO2019★ 116 cited
When Primordial Black Holes from Sound Speed Resonance Meet a Stochastic Background of Gravitational Waves
Yi-Fu Cai, Chao Chen, Xi Tong +2
As potential candidates of dark matter, primordial black holes (PBHs) are within the core scopes of various astronomical observations. In light of the explosive development of grav…