113 citations · 344 across the 5 of their papers we have counts for
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hep-ph2007★ 65 cited
Testing CPT Symmetry with CMB Measurements
Jun-Qing Xia, Hong Li, Xiulian Wang +1
In this paper we study the possibility of testing \emph{CPT} symmetry with Cosmic Microwave Background (CMB) measurements. Working with an effective lagrangian of the photon with \…
astro-ph2007★ 107 cited
Constraints on the Sound Speed of Dynamical Dark Energy
Jun-Qing Xia, Yi-Fu Cai, Tao-Tao Qiu +2
In this paper we study the sound speed - , which is directly related to the classical perturbations - of the dynamical dark energy (DE), especially with an equation of state…