papers

Publications (44)

hep-th2017

Holographic Van der Waals-like phase transition in the Gauss-Bonnet gravity

Song He, Li-Fang Li, Xiao-Xiong Zeng

The Van der Waals-like phase transition is observed in temperature-thermal entropy plane in spherically symmetric charged Gauss-Bonnet-AdS black hole background. In terms of AdS/CF…

gr-qc2026

Polarization images of non-topological soliton Bardeen boson stars

Xiao-Xiong Zeng, Chen-Yu Yang, Ke-Jian He +1

In this study, we investigate the polarized images of non-topological soliton Bardeen boson stars by solving the coupled Einstein nonlinear electrodynamics complex scalar field equ…

gr-qc2025

Observational signatures and polarized images of rotating charged black holes in Kalb-Ramond Gravity

Chen-Yu Yang, Ke-Jian He, Xiao-Xiong Zeng +1

This paper investigates the shadow images of rotating charged black holes in Kalb-Ramond (KR) gravity, using an accretion disk that is both optically and geometrically thin and loc…

hep-th2013

Entanglement Entropy in Holographic P-Wave Superconductor/Insulator Model

Rong-Gen Cai, Li Li, Li-Fang Li +1

We continue our study of entanglement entropy in the holographic superconducting phase transitions. In this paper we consider the holographic p-wave superconductor/insulator model,…

gr-qc2014

Towards Complete Phase Diagrams of a Holographic P-wave Superconductor Model

Rong-Gen Cai, Li Li, Li-Fang Li +1

We study in detail the phase structure of a holographic p-wave superconductor model in a five dimensional Einstein-Maxwell-complex vector field theory with a negative cosmological…

hep-th2015

Entanglement entropy in a holographic p-wave superconductor model

Li-Fang Li, Rong-Gen Cai, Li Li +1

In a recent paper, arXiv:1309.4877, a holographic p-wave model has been proposed in an Einstein-Maxwell-complex vector field theory with a negative cosmological constant. The model…

hep-th2012

Wilson Line Response of Holographic Superconductors in Gauss-Bonnet Gravity

Rong-Gen Cai, Li Li, Li-Fang Li +2

We study the Wilson line response in the holographic superconducting phase transitions in Gauss-Bonnet gravity. In the black brane background case, the Little-Parks periodicity is…

hep-th2014

Competition between s-wave order and d-wave order in holographic superconductors

Li-Fang Li, Rong-Gen Cai, Li Li +1

We study competition between s-wave order and d-wave order through two holographic superconductor models. We find that once the coexisting phase appears, it is always thermodynamic…

gr-qc2023

Holographic study on Einstein ring for a charged black hole in conformal gravity

Xin-Yun Hu, Xiao-Xiong Zeng, Li-Fang Li +1

With the help of AdS/CFT correspondence, the Einstein ring of a charged black hole in conformal gravity has been studied. Imposing an oscillating Gauss source on one side of the Ad…

gr-qc2023

Post-Keplerian waveform model for binary compact object as sources of space-based gravitational wave detector and its implications

Li-Fang Li, Zhoujian Cao

Binary compact objects will be among the important sources for the future space-based gravitational wave detectors. Such binary compact objects include stellar massive binary black…

gr-qc2010

Stochastic resonance with matched filtering

Li-Fang Li, Jian-Yang Zhu

Along with the development of interferometric gravitational wave detector, we enter into an epoch of gravitational wave astronomy, which will open a brand new window for astrophysi…

astro-ph.SR2019

A photometric study of the high-mass-ratio contact binary AV Puppis

Quan-Wang Han, Li-Fang Li, Deng-Kai Jiang

The multi-color photometric light curves for a contact binary AV Puppis (AV Pup) in bandpasses are presented, and they are analyzed by using of the 2013 version of the Wi…

gr-qc2009

Tachyon field in loop quantum cosmology: An example of traversable singularity

Li-Fang Li, Jian-Yang Zhu

Loop quantum cosmology (LQC) predicts a nonsingular evolution of the universe through a bounce in the high energy region. But LQC has an ambiguity about the quantization scheme. Re…

hep-th2016

Holographic phase transition probed by non-local observables

Xiao-Xiong Zeng, Li-Fang Li

From the viewpoint of holography, the phase structure of a 5-dimensional Reissner-Nordström-AdS black hole is probed by the two point correlation function, Wilson loop, and entang…

gr-qc2025

The shadow and accretion disk images of the rotation loop quantum black bounce

Ke-Jian He, Huan Ye, Xiao-Xiong Zeng +2

In this paper, we study the shadow and observational image of the Kerr-like Loop Quantum Gravity (LQG) inspired black bounce with the help of the celestial light source and the thi…

astro-ph.SR2022

LAMOST medium-resolution spectroscopic survey of binarity and exotic star (LAMOST-MRS-B): Observation strategy and target selection

Jiao Li, Jiang-Dan Li, Yan-Jun Guo +15

LAMOST-MRS-B is one of the sub-surveys of LAMOST medium-resolution (R~7500) spectroscopic survey. It aims at studying the statistical properties (e.g., binary fraction, orbital per…

gr-qc2012

Non-Gaussian features from the inverse volume corrections in loop quantum cosmology

Li-Fang Li, Rong-Gen Cai, Zong-Kuan Guo +1

In this paper we study the non-Gaussian features of the primordial fluctuations in loop quantum cosmology with the inverse volume corrections. The detailed analysis is performed in…

hep-th2015

Introduction to Holographic Superconductor Models

Rong-Gen Cai, Li Li, Li-Fang Li +1

In the last years it has been shown that some properties of strongly coupled superconductors can be potentially described by classical general relativity living in one higher dimen…

hep-th2014

Vector Condensate and AdS Soliton Instability Induced by a Magnetic Field

Rong-Gen Cai, Li Li, Li-Fang Li +1

We continue to study the holographic p-wave superconductor model in the Einstein-Maxwell-complex vector field theory with a non-minimal coupling between the complex vector field an…

hep-th2023

Holographic Einstein rings of a black hole with a global monopole

Xiao-Xiong Zeng, Li-Fang Li, Peng Xu

The global monopole solutions which give rise to quite unusual physical phenomena have captured considerable attention. In this paper, we study the Einstein ring of the spherically…

hep-th2013

A Holographic Study on Vector Condensate Induced by a Magnetic Field

Rong-Gen Cai, Song He, Li Li +1

We study a holographic model with vector condensate by coupling the anti-de Sitter gravity to an Abelian gauge field and a charged vector field in dimensional spacetime. In…

hep-th2015

Effect of phantom dark energy on the holographic thermalization

Xiao-Xiong Zeng, Xin-Yun Hu, Li-Fang Li

Gravitational collapse of a shell of charged dust surrounded by the phantom dark energy is probed by the minimal area surface, which is dual to probe the thermalization in the boun…

gr-qc2025

Optical images of the Kerr-Sen black hole and thin accretion disk

Pei Wang, Sen Guo, Li-Fang Li +4

This paper investigates the observable properties of a Kerr-Sen black hole surrounded by a thin accretion disk, focusing on the impact of the black hole's spin and charge on the im…

gr-qc2024

Holographic images of a charged black hole in Lorentz symmetry breaking massive gravity

Xiao-Xiong Zeng, Li-Fang Li, Pan Li +2

Using the AdS/CFT correspondence, this paper investigates the holographic images of a charged black hole within the context of Lorentz symmetry breaking massive gravity. The photon…

gr-qc2025

Influences of accretion flow and dilaton charge on the images of Einstein-Maxwell-dilation black hole

Gang Chen, Sen Guo, Jia-Shuo Li +3

The characteristics and images of Einstein-Maxwell-Dilaton (EMD) black holes are examined in this paper, focusing on their effective potential, photon trajectories, and images with…

gr-qc2010

Dynamical Horizon Entropy Bound Conjecture in Loop Quantum Cosmology

Li-Fang Li, Jian-Yang Zhu

The covariant entropy bound conjecture is an important hint for the quantum gravity, with several versions available in the literature. For cosmology, Ashtekar and Wilson-Ewing eve…

gr-qc2008

Averaged null energy condition in Loop Quantum Cosmology

Li-Fang Li, Jian-Yang Zhu

Wormhole and time machine are very interesting objects in general relativity. However, they need exotic matters which are impossible in classical level to support them. But if we i…

gr-qc2026

Gravitational lensing and observational features of a dynamic black hole

Ke-Jian He, Guo-Ping Li, Li-Fang Li +1

In this work, we investigate the gravitational lensing effects and the dynamic evolution of the shadow of Vaidya black holes by employing backward ray-tracing techniques. Within th…

hep-th2014

Holographic thermalization and gravitational collapse in the spacetime dominated by quintessence dark energy

Xiao-Xiong Zeng, De-You Chen, Li-Fang Li

In this paper, the thermalization has been studied holographically. Explicitly in the gravity side, we consider the gravitational collapse of a thin shell of dust in a spacetime do…

gr-qc2009

Loop quantum cosmology with higher order holonomy corrections

Dah-Wei Chiou, Li-Fang Li

With a well-motivated extension of higher order holonomy corrections, the quantum theory of loop quantum cosmology (LQC) for the Friedmann-Robertson-Walker model (with a free…

gr-qc2024

Constraints on Covariant Horava-Lifshitz Gravity from precision measurement of planetary gravitomagnetic field

Li-dong Zhang, Li-Fang Li, Peng Xu +2

As a generalization of Einstein's theory, Horava-Lifshitz has attracted significant interests due to its healthy ultraviolet behavior. In this paper, we analyze the impact of the H…

hep-th2016

Van der Waals phase transition in the framework of holography

Xiao-Xiong Zeng, Li-Fang Li

Phase structure of the quintessence Reissner-Nordström-AdS black hole is probed with the nonlocal observables such as holographic entanglement entropy and two point correlation fu…

hep-th2016

Phase structure of the Born-Infeld-anti-de Sitter black holes probed by non-local observables

Xiao-Xiong Zeng, Xian-Ming Liu, Li-Fang Li

With the non-local observables such as two point correlation function and holographic entanglement entropy, we probe the phase structure of the Born-Infeld-anti-de Sitter black hol…

gr-qc2008

Thermodynamics in Loop Quantum Cosmology

Li-Fang Li, Jian-Yang Zhu

Loop quantum cosmology (LQC) is very powerful to deal with the behavior of early universe. And the effective loop quantum cosmology gives a successful description of the universe i…

hep-th2013

Competition and Coexistence of Order Parameters in Holographic Multi-Band Superconductors

Rong-Gen Cai, Li Li, Li-Fang Li +1

We construct a holographic multi-band superconductor model with each complex scalar field in the bulk minimally coupled to a same gauge field. Taking into account the back reaction…

gr-qc2009

How loopy is the quantum bounce? A heuristic analysis of higher order holonomy corrections in LQC

Dah-Wei Chiou, Li-Fang Li

A well-motivated extension of higher order holonomy corrections in loop quantum cosmology (LQC) for the Friedmann-Robertson-Walker model is investigated at the level of heuri…

gr-qc2026

Prospect on constraining environment-dependent dilaton model from gravitational redshift measurements

Li Hu, Rong-Gen Cai, Song He +4

Scalar-tensor gravity represents a natural extension of general relativity. This paper investigates a conformal scalar-tensor gravity, the environmentally dependent dilaton model,…

gr-qc2023

Holographic Einstein rings of Non-commutative black holes

Xin-Yun Hu, Xiao-Xiong Zeng, Li-Fang Li +1

With the help of the AdS/CFT correspondence, we easily derive the desired response function of QFT on the boundary. Using the virtual optical system with a convex lens, we are able…

gr-qc2010

Quantum effect on luminosity-redshift relation

Li-Fang Li, Jian-Yang Zhu

There are many different proposals for a theory of quantum gravity. Even leaving aside the fundamental difference among theories such as the string theory and the non-perturbative…

gr-qc2016

Binary Black Hole merger in f(R) theory

Zhoujian Cao, Pablo Galaviz, Li-Fang Li

In the near future, gravitational wave detection is set to become an important observational tool for astrophysics. It will provide us with an excellent means to distinguish differ…

hep-th2012

Entanglement Entropy and Wilson Loop in Stückelberg Holographic Insulator/Superconductor Model

Rong-Gen Cai, Song He, Li Li +1

We study the behaviors of entanglement entropy and vacuum expectation value of Wilson loop in the Stückelberg holographic insulator/superconductor model. This model has rich phase…

hep-th2013

A Holographic P-wave Superconductor Model

Rong-Gen Cai, Li Li, Li-Fang Li

We study a holographic p-wave superconductor model in a four dimensional Einstein-Maxwell-complex vector field theory with a negative cosmological constant. The complex vector fiel…

gr-qc2016

Phase transition of holographic entanglement entropy in massive gravity

Xiao-Xiong Zeng, Hongbao Zhang, Li-Fang Li

The phase structure of holographic entanglement entropy is studied in massive gravity for the quantum systems with finite and infinite volumes, which in the bulk is dual to calcula…

astro-ph.HE2025

Image of a time-dependent rotating regular black hole

Sen Guo, En-Wei Liang, Yu-Xiang Huang +4

In this study, we develop a modeling framework based on spatio-temporal generalized random fields to simulate the time-evolving accretion flows and their associated imaging signatu…