He, Song Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society;
1411.6213.pdf (Preprint), 283KB
NPB928_160.pdf (Publisher version), 327KB
He, S., Sun, J.-R., & Zhang, H.-Q. (2018). On Holographic Entanglement Entropy with Second Order Excitations. Nuclear Physics B, 928, 160-181. doi:10.1016/j.nuclphysb.2018.01.015.