152 citations · 1.2k across the 71 of their papers we have counts for
29 papers · 1 filter
Topological black holes in Einstein-Maxwell and 4D conformal gravities revisited
Tao Wang, Zhiqiang Zhang, Xiangqing Kong +1
The thermodynamics of charged topological black holes (TBHs) with different horizon geometries in -dimensional Einstein-Maxwell and 4-dimensional conformal gravities is revisite…
Restricted phase space thermodynamics of charged AdS black holes in conformal gravity
Xiangqing Kong, Zhiqiang Zhang, Liu Zhao
The thermodynamics of charged spherically symmetric AdS black holes in conformal gravity is revisited using the recently proposed restricted phase space (RPS) formalism. This forma…
Restricted phase space thermodynamics for black holes in higher dimensions and higher curvature gravities
Xiangqing Kong, Tao Wang, Zeyuan Gao +1
The recently proposed restricted phase space thermodynamics is shown to be applicable to a large class of higher dimensional higher curvature gravity models coupled to Maxwell fiel…
High temperature AdS black holes are low temperature quantum phonon gases
Xiangqing Kong, Tao Wang, Liu Zhao
We report a precise match between the high temperature -dimensional Tangherlini-AdS black hole and the low temperature quantum phonon gas in -dimensional nonmetallic crys…
Thermodynamics for higher dimensional rotating black holes with variable Newton constant
Liu Zhao
The extensivity for the thermodynamics of general -dimensional rotating black holes with or without a cosmological constant can be proved analytically, provided the effective nu…
Black hole thermodynamics is extensive with variable Newton constant
Tao Wang, Liu Zhao
Inspired by the recent studies on the thermodynamics of AdS black holes in the restricted phase space formalism, we propose a similar formalism for the thermodynamics of non-AdS bl…
Thermodynamics of Kerr-AdS black holes in the restricted phase space
Zeyuan Gao, Xiangqing Kong, Liu Zhao
The thermodynamics for Kerr-AdS black hole in four dimensions is revisited using the recently proposed restricted phase space formalism, which includes the central charge of th…
Compressible forced viscous fluid from product Einstein manifolds
Xin Hao, Bin Wu, Liu Zhao
We consider the fluctuation modes around a hypersurface in a -dimensional product Einstein manifold, with taken either near the horizon or at some finite cutoff…
Flat space compressible fluid as holographic dual of black hole with curved horizon
Xin Hao, Bin Wu, Liu Zhao
We consider the fluid dual of -dimensional vacuum Einstein equation either with or without a cosmological constant. The background solutions admit black hole event horizons…
Holographic fluid from nonminimally coupled scalar-tensor theory of gravity
Bin Wu, Liu Zhao
We establish the gravity/fluid correspondence in the nonminimally coupled scalar-tensor theory of gravity. Imposing Petrov-like boundary conditions over the gravitational field, we…
Gravity-mediated holography in fluid dynamics
Bin Wu, Liu Zhao
For any spherically symmetric black hole spacetime with an ideal fluid source, we establish a dual fluid system on a hypersurface near the black hole horizon. The dual fluid is inc…
Hamiltonian description of singular Lagrangian systems with spontaneously broken time translation symmetry
Liu Zhao, Pengfei Yu, Wei Xu
Shapere and Wilczek recently found some singular Lagrangian systems which spontaneously breaks time translation symmetry. The common feature of their models is that the energy func…
Warped embeddings between Einstein manifolds
Huan-Xiong Yang, Liu Zhao
Warped embeddings from a lower dimensional Einstein manifold into a higher dimensional one are analyzed. Explicit solutions for the embedding metrics are obtained for all cases of…
Hidden symmetries for thermodynamics and emergence of relativity
Liu Zhao
Erik Verlinde recently proposed an idea about the thermodynamic origin of gravity. Though this is a beautiful idea which may resolve many long standing problems in the theories of…
C-metric like vacuum with non-negative cosmological constant in five dimensions
Liu Zhao, Bin Zhu
We present and analyze an exact 5-dimensional vacuum solution of Einstein equation with non-negative cosmological constant written in a C-metric like coordinate. The metric does no…
Exact solutions of embedding the four-dimensional perfect fluid in a five- or higher-dimensional Einstein spacetime and the cosmological interpretations
Jie Ren, Xin-He Meng, Liu Zhao
We investigate an exact solution that describes the embedding of the four-dimensional (4D) perfect fluid in a five-dimensional (5D) Einstein spacetime. The effective metric of the…
Black chain of pearls in 5D de Sitter spacetime
Liu Zhao
We analyze some exact chain-shaped black hole solutions in 5-dimensional spacetime. Unlike usual black string and black ring solutions, the topology of the horizons of the new solu…
Hamiltonian formalism in Friedmann cosmology and its quantization
Jie Ren, Xin-He Meng, Liu Zhao
We propose a Hamiltonian formalism for a generalized Friedmann-Roberson-Walker cosmology model in the presence of both a variable equation of state (EOS) parameter and a var…
Non-uniform Black Strings with Schwarzschild-(Anti-)de Sitter Foliation
Liu Zhao, Kai Niu, Bing-Shu Xia +2
We present some exact non-uniform black string solutions of 5-dimensional pure Einstein gravity as well as Einstein-Maxwell-dilaton theory at arbitrary dilaton coupling. The soluti…
Tunnelling through black rings
Liu Zhao
Hawking radiation of black ring solutions to 5-dimensional Einstein-Maxwell-dilaton gravity theory is analyzed by use of the Parikh-Wilczek tunnelling method. To get the correct tu…
Classical O(N) nonlinear sigma model on the half line: a study on consistent Hamiltonian description
Wenli He, Liu Zhao
The problem of consistent Hamiltonian structure for O(N) nonlinear sigma model in the presence of five different types of boundary conditions is considered in detail. For the case…
Generalized Toda mechanics associated with classical Lie algebras and their reductions
Liu Zhao, Wangyun Liu, Zhanying Yang
For any classical Lie algebra , we construct a family of integrable generalizations of Toda mechanics labeled a pair of ordered integers . The universal form of the Lax p…
On open string in generic background
Liu Zhao, Wenli He
A set of consistent Poisson brackets for an open string in generic spacetime background and NS-NS -field is constructed. Upon quantization, this set of Poisson brackets lead to…
Boundary Poisson structure and quantization
Liu Zhao, Wenli He
A new approach for treating boundary Poisson structures based on causality and locality analysis is proposed for a single scalar field with boundary interaction. For the case of li…