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19992026
most citedQuantum thermal transport in nanostructures

581 citations

Showing 2022 · gr-qcShow all

37 papers · 2 filters

gr-qc2022★ 12 cited

Nonexistence of quantum black and white hole horizons in an improved dynamic approach

Wen-Cong Gan, Xiao-Mei Kuang, Zhen-Hao Yang +3

In this paper, we study the quantum geometric effects near the locations where classical black hole horizons used to appear in Einstein's classical theory, within the framework of…

gr-qc2022★ 36 cited

An Effective Sign Switching Dark Energy: Lotka-Volterra Model of Two Interacting Fluids

Yen Chin Ong

One of the recent attempts to address the Hubble and tensions is to consider the Universe started out not as a de Sitter-like spacetime, but rather anti-de Sitter-like. That…

gr-qc2022★ 4 cited

Arm locking in conjunction with time-delay interferometry

Pan-Pan Wang, Wei-Liang Qian, Han-Zhong Wu +2

A crucial challenge to the ongoing endeavor of spaceborne gravitational wave (GW) detection resides in the laser phase noise, typically 7 to 8 orders of magnitude above the inevita…

gr-qc2022★ 11 cited

On Black Hole Thermodynamics, Singularity, and Gravitational Entropy

Yen Chin Ong

Many fundamental issues remain for black hole thermodynamics after almost half a century of its conception. For example, what are the underlying degrees of freedom of a black hole…

gr-qc2022★ 14 cited

Rotating -dimensional Black Holes in Einstein-Maxwell-Dilaton Theory

Thanasis Karakasis, Eleftherios Papantonopoulos, Zi-Yu Tang +1

We consider Einstein-Maxwell-Dilaton theory in -dimensions where the coupling between the scalar field and the Maxwell invariant is the dilatonic coupling $f(ϕ) = \exp (-2αϕ…

gr-qc2022★ 38 cited

Gravitational waves from eccentric extreme mass-ratio inspirals as probes of scalar fields

Chao Zhang, Yungui Gong, Dicong Liang +1

We study eccentric orbits of the Schwarzschild spacetime for extreme mass ratio system (EMRI) in modified gravity theories with additional scalar fields. Due to the additional ener…

gr-qc2022★ 5 cited

Extensions of two-field mimetic gravity

Yunlong Zheng, Haomin Rao

Two-field mimetic gravity was recently realized by looking at the singular limit of the conformal transformation between the auxiliary metric and the physical metric with two scala…

gr-qc2022★ 5 cited

Detecting sublunar-mass primordial black holes with the Earth-Moon binary system

Ya-Ling Li, Guo-Qing Huang, Zong-Qiang Huang +1

In this paper we propose a new way to detect sublunar-mass primordial black holes (PBHs) by direct observations of the Earth-Moon binary system.Our method is based on treating PBH…

gr-qc2022★ 10 cited

Magnetic-induced Spontaneous Scalarization in Dynamcial Chern-Simons Gravity

Shao-Jun Zhang, Bin Wang, Eleftherios Papantonopoulos +1

In the framework of the dynamical Chern-Simons gravity, we study the scalar field perturbations of the Reissner-Nordström-Melvin spacetime, which describes a charged black hole per…

gr-qc2022★ 8 cited

Qusinormal oscillations and late-time tail of massless scalar perturbations of a magnetized black hole in Rastall gravity

Cai-Ying Shao, Yu-Jie Tan, Cheng-Gang Shao +2

In this paper, we study the quasinormal mode and late-time tail of charged massless scalar perturbations of a black hole in the generalized Rastall gravity. The black hole metric i…

gr-qc2022★ 26 cited

New self-consistent effective one-body theory for spinless binaries based on the post-Minkowskian approximation

Jiliang Jing, Sheng Long, Weike Deng +2

The effective one-body theories, introduced by Buonanno and Damour, are novel approaches to constructing a gravitational waveform template. By taking a gauge in which a…

gr-qc2022★ 17 cited

Spin-Charge induced spontaneous scalarization of Kerr-Newman black holes

Meng-Yun Lai, Yun Soo Myung, Rui-Hong Yue +1

We investigate the tachyonic instability of Kerr-Newman (KN) black holes in the Einstein-Maxwell-scalar (EMS) theory with a positive coupling parameter . This corresponds to exp…

gr-qc2022★ 13 cited

Determination of the spin parameter and the inclination angle by the relativistic images in black hole image

Mingzhi Wang, Songbai Chen, Jiliang Jing

We studied the relativistic images caused by strong gravitational lensing in Kerr black hole images, which carry some essential signatures about the black hole space-time. We defin…

gr-qc2022★ 17 cited

Gravitational decoupling for hairy black holes in asymptotically AdS spacetimes

Chao-Ming Zhang, Ming Zhang, De-Cheng Zou

In this study, the gravitational decoupling approach via extended geometric deformation is utilized to generate analytical black hole solutions owing to its simplicity and effectiv…

gr-qc2022★ 28 cited

Quasinormal modes and Hawking radiation of a charged Weyl black hole

Guoyang Fu, Dan Zhang, Peng Liu +3

We investigate the scalar field system over a charged Weyl black hole, depicted by a parameter . It is found that the imaginary part of the quasinormal mode spectra is always ne…

gr-qc2022★ 43 cited

Polarized image of a rotating black hole in Scalar-Tensor-Vector-Gravity theory

Xin Qin, Songbai Chen, Zelin Zhang +1

The polarized images of a synchrotron emitting ring are studied in the spacetime of a rotating black hole in the Scalar-Tensor-Vector-Gravity (STVG) theory. The black hole owns an…

gr-qc2022★ 29 cited

How Barrow Entropy Modifies Gravity: With Comments on Tsallis Entropy

Sofia Di Gennaro, Hao Xu, Yen Chin Ong

Barrow proposed that the area law of the horizon entropy might receive a "fractal correction" due to quantum gravitational effects, with $0\leqslant Δ\leqslant…

gr-qc2022★ 12 cited

Dynamical spontaneous scalarization in Einstein-Maxwell-scalar models in anti-de Sitter spacetime

Wen-Kun Luo, Cheng-Yong Zhang, Peng Liu +2

The phenomenon of spontaneous scalarization of charged black holes has attracted a lot of attention. In this work, we study the dynamical process of the spontaneous scalarization o…

gr-qc2022★ 10 cited

Spin-induced scalarization of Kerr-Newman black holes in Einstein-Maxwell-scalar theory

Meng-Yun Lai, Yun Soo Myung, Rui-Hong Yue +1

In this paper, we consider the tachyonic instability of Kerr-Newman (KN) black holes in the Einstein-Maxwell-scalar (EMS) theory with nonminimal negative scalar coupling to Maxwell…

gr-qc2022★ 120 cited

Constraining a modified gravity theory in strong gravitational lensing and black hole shadow observations

Xiao-Mei Kuang, Zi-Yu Tang, Bin Wang +1

We study the strong gravitational lensing effect around rotating black holes in different gravity theories. By calculating the deflection angle of strong gravitational lensing, we…

gr-qc2022★ 12 cited

Dynamic generation or removal of a scalar hair

Yunqi Liu, Cheng-Yong Zhang, Wei-Liang Qian +2

We study dynamic processes through which the scalar hair of black holes is generated or detached in a theory with a scalar field non-minimally coupled to Gauss-Bonnet and Ricci sca…

gr-qc2022★ 26 cited

Geometric approach for the modified second generation time delay interferometry

Pan-Pan Wang, Wei-Liang Qian, Yu-Jie Tan +2

The time delay interferometry (TDI) is an algorithm proposed to suppress the laser frequency noise in space-borne gravitational wave detectors. As a post-processing technique, it i…

gr-qc2022★ 14 cited

Dynamical spontaneous scalarization in Einstein-Maxwell-scalar theory

Wei Xiong, Peng Liu, Chao Niu +2

We study the linear instability and the nonlinear dynamical evolution of the Reissner-Nordström (RN) black hole in the Einstein-Maxwell-scalar theory in asymptotic flat spacetime.…

gr-qc2022★ 26 cited

Image of Bonnor black dihole with a thin accretion disk and its polarization information

Zelin Zhang, Songbai Chen, Jiliang Jing

We have studied the image of Bonnor black dihole surrounded by a thin accretion disk where the electromagnetic emission is assumed to be dominated respectively by black body radiat…