20 citations · 39 across the 28 of their papers we have counts for
29 papers
Tidal Love Numbers of Thin-Shell Wormholes, de Sitter Gravastars, and Anti-de Sitter Gravastars via Full Perturbed Junction Conditions
Gerui Chen, Yu Tian, Hongbao Zhang
In this work, we revisit the tidal Love numbers (TLNs) of several classes of exotic compact objects (ECOs) using the recently derived full perturbed junction conditions. We investi…
Thermodynamic Volumes of Extended Black Hole Thermodynamics with Auxiliary Gauge Fields
Zili Mou, Yu Tian, Hongbao Zhang
By applying the Iyer-Wald formalism to the modified Lagrangian form for the gravitational system, where the coupling constants appearing in the original Lagrangian form, such as th…
Splitting Dynamics of Multiply Quantized Vortices in Holographic Superfluid of Finite Temperature
Shanquan Lan, Xin Li, Jiexiong Mo +3
We study the splitting dynamics of multiply quantized vortices with winding numbers and in a two-dimensional holographic superfluid at finite temperature, by combinin…
Extremal non-rotating black holes have no fermionic Love
Xiankai Pang, Yu Tian, Hongbao Zhang
The static tidal Love numbers (TLNs) of -dimensional black holes vanish for bosonic perturbations but are generically nonzero for fermions, with rare exceptions. In this paper,…
Formation of holographic vortex in a rotating shell-shaped superfluid
Chang-Xu Yan, Hao-Ran Chang, Meng Gao +2
We investigate the holographic superfluid dynamics subjected to external rotation on a spherical geometry. Through a linear perturbation analysis, we identify several dynamically u…
Characteristic evolution of conformal scattering: I. Scalar Waves in Minkowski Spacetime
Zhen-Tao He, Yu Tian, Hongbao Zhang
We study the conformal scattering of massless scalar waves in Minkowski spacetime. The conformal scattering problem is formulated as a Goursat (characteristic initial-value) proble…
Fermionic Love number of higher-dimensional Reissner-Nordström black holes
Xiankai Pang, Yu Tian, Hongbao Zhang +1
In this paper, we generalize our previous work on the fermionic tidal Love numbers (TLNs) to higher-dimensional Reissner-Nordström black holes. The massless Dirac equation is solve…
Tidal Love numbers and the dynamical instability of AdS bubbles
Gerui Chen, Yu Tian, Hongbao Zhang
In this work, we study non-radial perturbations of AdS bubbles and their tidal Love numbers (TLNs). The odd- and even-parity TLNs are computed up to in the limit $k \to \inft…
Transition of vortex dipole dynamics in holographic superfluids
Yu-Kun Yan, Shanquan Lan, Yu Tian +1
Using holographic duality, we reveal a transition in vortex dipole dynamics below a critical dipole size in strongly interacting superfluids, characterized by a significant suppres…
Can Oscillatory and Persistent Nonlinearities Be Bridged in Black Hole Ringdown?
Jun-Xi Shi, Zhen-Tao He, Jiageng Jiao +4
Quadratic quasinormal modes (QQNMs) and Christodoulou memory effect are key nonlinear phenomena in gravitational wave physics. QQNMs characterize the near zone nonlinear response o…
Nonlinear tails of massive scalar fields around a black hole
Caiying Shao, Zhen-Tao He, Jiageng Jiao +5
Nonlinear effects play a fundamental role in the late-time ringdown of black holes, with direct implications for gravitational-wave observations. For massive fields, these dynamics…
Explicit and covariant formula for thermodynamic volume in extended black hole thermodynamics
Yong Xiao, Yu-Xiao Liu, Yu Tian +1
In extended black hole thermodynamics, the cosmological constant and other couplings are treated as thermodynamic variables, yielding the first law $\tildeδM = T\tildeδS+Ω\tildeδJ…
Internal structure of Hayward black holes
Caiying Shao, Jun-Qi Guo, Yu Tian +1
Regular black holes, free of central singularities, provide an ideal laboratory for probing the geometric structure of spacetime. The global structure of some regular black holes,…
Emergence of critical phenomena from the black hole interior
Caiying Shao, Junqi Guo, Yu Tian +1
The emergence of the singularity inside a spherically symmetric charged black hole, is studied numerically within the Einstein-Maxwell-real scalar model. When the scalar fiel…
Dynamic and Thermodynamic Stability of Superconducting-superfluid Stars
Delong Kong, Yu Tian, Hongbao Zhang
We give a comprehensive analysis of the dynamic and thermodynamic stability of neutron stars composed of superconducting-superfluid mixtures within the Iyer-Wald formalism. We deri…
Dynamical Phase Transition of Dark Solitons in Spherical Holographic Superfluids
Meng Gao, Yu Tian, Changxu Yan +1
In this paper, we employ, for the first time, the holographic gravity approach to investigate the dynamical stability of solitons in spherical superfluids. Transverse perturbations…
Holographic Turbulence and Numerical Estimate of the Fractal Dimension of the Turbulent Horizon
Jia Du, Yu Tian, Hongbao Zhang
We numerically study two-dimensional turbulence driven by a scalar operator within the framework of the AdS/CFT correspondence, where the external driving source is used to sustain…
Fermionic Love number of Reissner-Nordström black holes
Xiankai Pang, Yu Tian, Hongbao Zhang +1
The tidal deformation of compact objects, characterised by their Love numbers, provides insights into the internal structure of neutron stars and black holes. While static bosonic…
Numerical computation of electromagnetically sourced nonlinear tails
Zhen-Tao He, Jia Du, Jiageng Jiao +4
Amazingly, recent studies indicate that nonlinear effects are of great significance for modelling black hole ringdown. Transient electromagnetic events in the astrophysical environ…
Quantum Gravity Corrections to the Scalar Quasi-Normal Modes in Near-Extremal Reissener-Nordström Black Holes
Zheng Jiang, Jun Nian, Caiying Shao +2
We investigate quantum corrections to scalar quasi-normal modes (QNMs) in the near-extremal Reissner-Nordström black hole background with quantum correction in the near-horizon AdS…
Vortex shedding patterns in holographic superfluids at finite temperature
Peng Yang, Shanquan Lan, Yu Tian +2
The dynamics of superfluid systems exhibit significant similarities to their classical counterparts, particularly in the phenomenon of vortex shedding triggered by a moving obstacl…
Dynamical black hole entropy beyond general relativity from the Einstein frame
Delong Kong, Yu Tian, Hongbao Zhang +1
Recently Hollands, Wald and Zhang proposed a new formula for the entropy of a dynamical black hole for an arbitrary theory of gravity obtained from a diffeomorphism covariant Lagra…
Dynamical behaviour of soliton train in holographic superfluids at zero temperature
Meng Gao, Xin Li, Yu Tian +2
We construct a soliton train configuration with holographic superfluid model under AdS soliton background. We investigate the stability of a soliton train using Bloch waves under t…
Nonlinear Evolution of unstable Charged de Sitter Black Holes with Hyperboloidal Formalism
Zhen-Tao He, Qian Chen, Yu Tian +2
Based on the hyperboloidal framework, we research the dynamical process of charged de Sitter black holes scattered by a charged scalar field. From the linear perturbation analysis,…