718 citations · 6.7k across the 76 of their papers we have counts for
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Time Machines and AdS Solitons with Negative Mass
Xing-Hui Feng, Wei-Jian Geng, H. Lu
We show that in D=2n+1 dimensions, when mass is negative and all angular momenta are non-vanishing, Kerr and Kerr-AdS metrics describe smooth time machines, with no curvature singu…
DC Conductivities from Non-Relativistic Scaling Geometries with Momentum Dissipation
Sera Cremonini, Hai-Shan Liu, Hong Lu +1
We consider a gravitational theory with two Maxwell fields, a dilatonic scalar and spatially dependent axions. Black brane solutions to this theory are Lifshitz-like and violate hy…
Criticality in Einstein-Gauss-Bonnet Gravity: Gravity without Graviton
Zhong-Ying Fan, Bin Chen, Hong Lu
General Einstein-Gauss-Bonnet gravity with a cosmological constant allows two (A)dS spacetimes as its vacuum solutions. We find a critical point in the parameter space where the tw…
Global Structure of Exact Scalar Hairy Dynamical Black Holes
Zhong-Ying Fan, Bin Chen, Hong Lu
We study the global structure of some exact scalar hairy dynamical black holes which were constructed in Einstein gravity either minimally or non-minimally coupled to a scalar fiel…