56 citations · 301 across the 26 of their papers we have counts for
28 papers
Ricci-flat Seeds, Trombone Rescaling and Magnetizing Kerr Black Holes
Liang Ma, H. Lu
We present a new family of Ricci-flat rotating metrics, which we refer to as Solution II, obtained by demagnetizing the genuine Kerr-Bertotti-Robinson (G-KBR) black hole. Together…
Schwarzschild Black Hole in Uniform Magnetic Field in Einstein-Maxwell-Dilaton Theories
Liang Ma, Peng-Yu Wu, H. Lu
We obtain the Kerr black hole in an external uniform magnetic field in the Kaluza-Klein (KK) theory via a standard solution-generating technique. Using this as our starting point,…
Global Distinctions Between New Electrovacuum and Kundt Class
Liang Ma, H. Lu
It was observed [2606.30426] that our recently constructed electrovacuum [2606.23782], supported by electromagnetic fields, can be locally transformed to a special Petrov type D so…
Demagnetizing KBR and New Ricci-flat Rotating Metric
Liang Ma, H. Lu
We construct a new Ricci-flat metric by demagnetizing the recently reported Kerr-Bertotti-Robinson (KBR) solution. The metric is a deformation of the Kerr metric characterized by a…
Quadratic Curvature Correction to 5D Myers-Perry Metric
Liang Ma, H. Lu
We consider quadratic curvature perturbation to the Myers-Perry black hole in five dimensions at the linear level in the coupling constant. The solution can then be solved order by…
Full spectrum of Love numbers of Reissner-Nordstrom black hole in D-dimensions
Minghao Xia, Liang Ma, Yi Pang +1
We present a comprehensive analysis of the full spectrum of tidal Love numbers for Reissner-Nordström (RN) black holes in general spacetime dimensions. By perturbing the Einstein-M…
Instanton Moduli, Topology and the Bosonic/Heterotic String Origins
Liang Ma, H. Lu
We construct new supersymmetric NS(-1)-branes supported by the 't Hooft instantons in , supergravity. We show that although the magnetic 3-for…
New BPS States from Bosonic/Heterotic Duality
Kai-Peng Lu, H. Lu, Liang Ma
In this paper, we consider the recently proposed bosonic/heterotic duality that relates the heterotic superstrings to the noncritical bosonic string. Although the latter is nonsupe…
Consistent Warped Reduction of Heterotic Supergravity
Liang Ma, H. Lu
We find a curious duality between the bosonic sector of heterotic supergravity and the noncritical bosonic string with conformal anomaly. This allows us to map the Mink$_4\times S^…
Leading Higher Derivative Corrections to Multipole Moments of Kerr-Newman Black Hole
Liang Ma, Yi Pang, H. Lu
We study the (leading) 4-derivative corrections, including both parity even and odd terms, to electrically-charged Kerr-Newman black holes. The linear perturbative equations are th…
Charging the Love numbers: Charged scalar response coefficients of Kerr-Newman black holes
Liang Ma, Ze-Hua Wu, Yi Pang +1
We study the electrically-charged massless scalar response to the general Kerr-Newman black hole and obtain the exact (complex) response coefficients, whose real parts are the Love…
The Surprising Effectiveness of Weyl Gravity in Probing Quantum Corrections to AdS Black Holes
Liang Ma, Peng-Ju Hu, Yi Pang +1
Computing leading higher curvature contributions to thermodynamic quantities of AdS black hole is drastically simplified once the higher curvature terms are expressed in terms of p…
Boosted Rotating Dyonic Strings in Salam-Sezgin Model
Liang Ma, Yi Pang, H. Lu
We show that the bosonic sector of the Salam-Sezgin gauged supergravity model possesses a -duality symmetry upon a circle reduction to . We then construct a…
Improved Reall-Santos method for AdS black holes in general 4-derivative gravities
Peng-Ju Hu, Liang Ma, H. Lu +1
For asymptotically flat black holes, Reall-Santos method is a convenient tool to compute leading higher derivative corrections to the thermodynamic quantities without actually solv…
Dyonic Black Strings and the Charge Lattice in Salam-Sezgin model
Liang Ma, Yi Pang, H. Lu
We obtain a class of dyonic black string solutions in 6D Salam-Sezgin model. We then calculate various thermodynamic quantities associated with this solution. Interestingly, for th…
Vulnerability of Horizon Regularity: Horizon as a Natural Boundary
Qi-Yuan Mao, Liang Ma, H. Lu
We consider Einstein gravity extended with Riemann-squared term and construct the leading-order perturbative solution to the rotating black hole with all equal angular momenta in $…
Higher derivative contributions to black hole thermodynamics at NNLO
Liang Ma, Yi Pang, H. Lu
In an effective theory of gravity, thermodynamic quantities of black holes receive corrections from the infinite series of higher derivative terms. At the next to leading order, th…
Negative Corrections to Black Hole Entropy from String Theory
Liang Ma, Yi Pang, H. Lu
We report for the first time that in heterotic string compactified on 4-torus or equivalently IIA string compactified on K3, the leading corrections to the rotating black stri…
Quantum Corrections to Pair Production of Charged Black Holes in de Sitter Space
Yu-Peng Wang, Liang Ma, Yi Pang
We compute Euclidean action of charged de Sitter black holes in four dimensional gravitational Euler-Heisenberg model. It turns out that the action of a general Euclidean dyonicall…
Thermodynamics of Taub-NUT and Plebanski Solutions
Hai-Shan Liu, H. Lu, Liang Ma
We observe the parallel between the null Killing vector on the horizon and degenerate Killing vectors at both north and south poles in Kerr-Taub-NUT and general Plebanski solutions…
Improved Wald formalism and First Law of Dyonic Black Strings with Mixed Chern-Simons Terms
Liang Ma, Yi Pang, H. Lu
We study the first law of thermodynamics of dyonic black strings carrying a linear momentum in type IIA string theory compactified on K3 with leading order corrections. The lo…
-corrections to Near Extremal Dyonic Strings and Weak Gravity Conjecture
Liang Ma, Yi Pang, H. Lü
We construct non-extremal dyonic string solutions in 6D minimal supergravity where the leading higher derivative corrections arise from either the type IIA string theory compactifi…
Hidden Relations of Central Charges and OPEs in Holographic CFT
Yue-Zhou Li, H. Lu, Liang Ma
It is known that the central charges in four-dimensional CFTs are linear combinations of the three independent OPE coefficients of the stress-tensor three-point function. I…
A Correspondence between Ricci-flat Kerr and Kaluza-Klein AdS Black Hole
Liang Ma, H. Lu
We establish an explicit correspondence of Einstein gravity on the squashed spheres that are the bundles over to the Kaluza-Klein AdS gravity on the tori. Th…