Xu, Kun*, Yang, Hao-Ran, Mao, Ying-Han, Xu, Xiao-Tian*, Li, Xiang-Dong, and Liu, Jifeng, Back to the Starting Point: On the Simulation of the Initial Magnetic Fields and Spin Periods of Nonaccreting Pulsars, 2023, ApJ, 947, 76.
Xu, Kun*, Li, Xiang-Dong, Cui, Zhe, Li, Qiao-Chu, Shao, Yong, Liang, Xilong, and Liu, Jifeng, Are There Magnetars in High-mass X-Ray Binaries?, 2022, Research in Astronomy and Astrophysics, 22, 015005.
Xu, Kun*, Li, Qiao-Chu, Yang, Yuan-Pei, Li, Xiang-Dong, Dai, Zi-Gao, and Liu, Jifeng, Do the Periodic Activities of Repeating Fast Radio Bursts Represent the Spins of Neutron Stars?, 2021, ApJ, 917, 2.
Xu, Kun and Li, Xiang-Dong, On the Fallback Disk around the Slowest Isolated Pulsar, 1E 161348-5055, 2019, ApJ, 877, 138.
Xu, Kun and Li, Xiang-Dong, On the Magnetic Field of the Ultraluminous X-Ray Pulsar M82 X-2, 2017, ApJ, 838, 98.
Li, Qiao-Chu, Yang, Yuan-Pei, Wang, F. Y., Xu, Kun, and Dai, Zi-Gao, Repeating fast radio bursts with high burst rates by plate collisions in neutron star crusts, 2022, MNRAS, 517, 4612.
Liang, Xilong, Liu, Jifeng, Zhao, Jingkun, and Xu, Kun, Satellite Galaxies' Drag on Field Stars in the Milky Way, 2022, AJ, 164, 48.
Li, Qiao-Chu, Yang, Yuan-Pei, Wang, F. Y., Xu, Kun, Shao, Yong, Liu, Ze-Nan, and Dai, Zi-Gao, Periodic Activities of Repeating Fast Radio Bursts from Be/X-Ray Binary Systems, 2021, ApJL, 918, L5.