4 papers
A MeV-Scale Dark QCD Solution to the Axion Domain Wall Problem
Jun Guo, Zhaofeng Kang, Jiang Zhu
PQ solution to the strong CP problem probably encounters the axion domain wall problem. In this article, we propose a simple and testable solution, assuming that the $U(1)_{\rm PQ}…
Interplay between Vector-like Lepton and Seesaw Mechanism:Oblique Corrections
Shuyang Han, Zhaofeng Kang, Jiang Zhu
The non-vanishing neutrino mass strongly hints the existence of right-handed neutrinos (RHNs), singlets of the standard model (SM). However, they are highly decoupled from the SM a…
Dark Chiral Phase Transition Driven by Chemical Potential and its Gravitational Wave Test
Zhaofeng Kang, Jiang Zhu
In this article, for the first time, we explore the scenario that the dark-QCD sector has a large chemical potential (on the order of magnitude of temperature) of dark quarks.…
Confinement Bubble Wall Velocity via Quasiparticle Determination
Zhaofeng Kang, Jiang Zhu
Lattice simulations reveal that the deconfinement-confinement (D-C) phase transition (PT) of the hot pure Yang-Mills system is first order. This system can be described b…