圈量子引力，量子黑洞，规则黑洞，经典广义相对论，宇宙学等

目前已完成学术论文30余篇，详见Inspire Hep主页，代表性论文如下：

(1) J. Lewandowski, Y. Ma, J. Yang, CZ, Quantum Oppenheimer-Snyder and Swiss Cheese Models, Phys. Rev. Lett. 130, 101501 (2023), (ESI高被引文章);

(2) CZ, H. Zhang, S. Yuan, et.al. Four new observational H(z) data from luminous red galaxies in the Sloan Digital Sky Survey data release seven,

     Res. Astron. Astrophys. 14, 1221 (2014), (800+高被引文章);

(3) CZ, Y. Ma, S. Song, X, Zhang, Loop quantum Schwarzschild interior and black hole remnant, Phys. Rev. D 102, 041502R (2020);

(4) CZ, J. Lewandowski, Y. Ma, J. Yang, Black holes and covariance in effective quantum gravity, Phys. Rev. D 111, L081504 (2025);

(5) M. Han, D. Qu, CZ, Spin foam amplitude of the black-to-white hole transition, Phys. Rev. D 110, 124055 (2024)；

(6) CZ, Y. Ma, J. Yang, Black hole image encoding quantum gravity information, Phys. Rev. D 108, 104004 (2023);

(7) CZ, S. Song, M. Han, First-order quantum correction in coherent state expectation value of loop-quantum-gravity Hamiltonian, Phys. Rev. D 105, 064008 (2022);

(8) J. Lewandowski, CZ, Fermion coupling to loop quantum gravity: Canonical formulation, Phys. Rev. D 105, 124025 (2022).