Publications (90)
Raw Data Matters: Enhancing Prompt Tuning by Internal Augmentation on Vision-Language Models
Haoyang Li, Liang Wang, Chao Wang +4
For CLIP-based prompt tuning, introducing more data as additional knowledge for enhancing fine-tuning process is proved to be an effective approach. Existing data amplification str…
SRL: Combining SLIP Model and Reinforcement Learning for Agile Robotic Jumping
Xiaowen Hu, Linqi Ye, Yudi Zhu +4
Robotic jumping is pivotal in applications such as search and rescue and logistics, where crossing obstacles and enhancing mobility efficiency are critical. The Spring-Loaded Inver…
Bounds on the minimum orbital period in the background of 5-dimensional charged black holes
Yan Peng
In this paper, we study the upper and lower bounds on the minimum orbital period of 5-dimensional charged black holes. Our results indicate that the upper bound of the minimum orbi…
Probing the Circular Unruh Effect with Cavity-Controlled Lamb Shifts
Yan Peng, Jiawei Hu, Hongwei Yu
The Unruh effect predicts that accelerated observers perceive the inertial vacuum as populated by particles, providing a flat-spacetime analogue of Hawking radiation. Its direct ob…
Scalar field condensation behaviors around reflecting shells in Anti-de Sitter spacetimes
Yan Peng, Bin Wang, Yunqi Liu
We study scalar condensations around asymptotically Anti-de Sitter(AdS) regular reflecting shells. We show that the charged scalar field can condense around charged reflecting shel…
Holographic entanglement entropy in two-order insulator/superconductor transitions
Yan Peng, Guohua Liu
We study holographic superconductor model with two scalar fields coupled to one single Maxwell field in the AdS soliton background away from the probe limit. We disclose properties…
Reactive near-field subwavelength microwave imaging with a non-invasive Rydberg probe
Chaoyang Hu, Mingyong Jing, Zongkai Liu +10
Non-invasive microwave field imaging--accurately mapping field distributions without perturbing them--is essential in areas such as aerospace engineering, biomedical imaging and in…
On instabilities of scalar hairy regular compact reflecting stars
Yan Peng
We study the system constructed by charged scalar fields linearly coupled to asymptotically flat horizonless compact reflecting stars. We obtain bounds on the charge of the scalar…
From Knowing to Doing: Learning Diverse Motor Skills through Instruction Learning
Linqi Ye, Jiayi Li, Yi Cheng +3
Recent years have witnessed many successful trials in the robot learning field. For contact-rich robotic tasks, it is challenging to learn coordinated motor skills by reinforcement…
Various types of phase transitions in the AdS soliton background
Yan Peng, Qiyuan Pan, Bin Wang
We study the basic holographic insulator and superconductor phase transition in the AdS soliton background by generalizing the spontaneous breaking of a global U(1) symmetry to occ…
Extensive manipulation of transition rates and substantial population inversion of rotating atoms inside a cavity
Yan Peng, Yuebing Zhou, Jiawei Hu +1
We investigate the transition rates of a centripetally accelerated atom inside a high-quality cavity and show that they can be extensively tuned by adjusting the cavity resonance a…
Near-field perturbation of laser filament enabling simultaneous far-field THz diagnosis and broadband calculus processing
Jiayu Zhao, Yifu Tian, Linlin Yuan +6
Terahertz (THz) wave manipulation based on laser filaments-plasma channels formed by femtosecond laser-induced air ionization-has emerged as a promising platform for free-space THz…
Hair distributions in noncommutative Einstein-Born-Infeld black holes
Yan Peng
We study hair mass distributions in noncommutative Einstein-Born-Infeld hairy black holes with non-zero cosmological constants. We find that the larger noncommutative parameter mak…
Checkerboard-type Zhang-Rice States in Overdoped Cuprate Superconductors
Xiongfang Liu, Kun Han, Yan Peng +13
Cuprate superconductors remain central to condensed matter physics due to their technological relevance and unconventional, incompletely understood electronic behavior. While the c…
Phase transition in the holographic model of superfluidity with backreactions
Yan Peng, Xiao-Mei Kuang, Yunqi Liu +1
In the fully back reacted geometry we develop a supercurrent solution which corresponds to a deformation of superconducting black holes by the spatial component of gauge fields wit…
No long hair behaviors of ultra-compact objects
Guohua Liu, Yan Peng
We investigate distributions of matter fields outside spherically symmetric ultra-compact objects in the asymptotically flat background. Based on the dominant energy condition and…
A no-go theorem for scalar fields with couplings from Ginzburg-Landau models
Guohua Liu, Yan Peng
Recently Hod proved a no-go theorem that static scalar fields cannot form spherically symmetric boson stars in the asymptotically flat background. On the other side, scalar fields…
Efficient Robust Watermarking Based on Quaternion Singular Value Decomposition and Coefficient Pair Selection
Yong Chen, Zhi-Gang Jia, Ya-Xin Peng +1
Quaternion singular value decomposition (QSVD) is a robust technique of digital watermarking which can extract high quality watermarks from watermarked images with low distortion.…
Analytical studies on the hoop conjecture in charged curved spacetimes
Yan Peng
Recently, with numerical methods, Hod clarified the validity of Thorne hoop conjecture for spatially regular static charged fluid spheres, which were considered as counterexamples…
Extending ACL2 with SMT Solvers
Yan Peng, Mark Greenstreet
We present our extension of ACL2 with Satisfiability Modulo Theories (SMT) solvers using ACL2's trusted clause processor mechanism. We are particularly interested in the verificati…
Interplay between Hubbard interaction and charge transfer energy in three-orbital Emery model: implication on cuprates and nickelates
Yan Peng, Mi Jiang
We use the numerically unbiased determinant quantum Monte Carlo (DQMC) method to systematically investigate the three-orbital Emery model in the normal state in a wide range of loc…
Dual-stream Network for Visual Recognition
Mingyuan Mao, Renrui Zhang, Honghui Zheng +6
Transformers with remarkable global representation capacities achieve competitive results for visual tasks, but fail to consider high-level local pattern information in input image…
A general holographic insulator/superconductor model away from the probe limit
Yan Peng, Qiyuan Pan, Yunqi Liu
We investigate holographic phase transitions affected by dark matter sector in the AdS soliton background away from the probe limit. When neglecting backreaction, the scalar charge…
A Data Driven Method for Multi-step Prediction of Ship Roll Motion in High Sea States
Dan Zhang, Xi Zhou, Zi-Hao Wang +2
Ship roll motion in high sea states has large amplitudes and nonlinear dynamics, and its prediction is significant for operability, safety, and survivability. This paper presents a…
No hair theorem for massless scalar fields outside asymptotically flat horizonless reflecting compact stars
Yan Peng
In a recent paper, Hod started a study on no scalar hair theorem for asymptotically flat spherically symmetric neutral horizonless reflecting compact stars. In fact, Hod's approach…
FVG-PT: Adaptive Foreground View-Guided Prompt Tuning for Vision-Language Models
Haoyang Li, Liang Wang, Siyu Zhou +5
CLIP-based prompt tuning enables pretrained Vision-Language Models (VLMs) to efficiently adapt to downstream tasks. Although existing studies have made significant progress, they p…
VIKSER: Visual Knowledge-Driven Self-Reinforcing Reasoning Framework
Chao Wang, Chunbai Zhang, Yongxiao Tian +2
Visual reasoning refers to the task of solving questions about visual information. Current visual reasoning methods typically employ pre-trained vision-language model (VLM) strateg…
Significant modifications of Lamb shift at small centripetal accelerations
Yan Peng, Jiawei Hu, Hongwei Yu
We investigate the Lamb shift of centripetally accelerated atoms coupled to electromagnetic vacuum fluctuations. Focusing on a very small orbital radius (so that the tangential spe…
No-go theorem for static boson stars with negative cosmological constants
Yan Peng
In a recent paper, Hod has proven no-go theorem for asymptotically flat static regular boson stars. In the present work, we extend discussions to the gravity with a negative cosmol…
Quantum scaling atomic superheterodyne receiver
Peng Zhang, Mingyong Jing, Zheng Wang +6
Measurement sensitivity is one of the critical indicators for Rydberg atomic radio receivers. This work quantitatively studies the relationship between the atomic superheterodyne r…
Thermodynamics of general flat space and boson star quasi-local systems
Yan Peng, Jianjun Fang, Shuangxi Yi +1
We study thermodynamics of flat space/boson star systems enclosed in a scalar reflecting box with Stckelberg mechanism. We also disclose effects of model parameters on tr…
Scalarization of compact stars in the scalar-Gauss-Bonnet gravity
Yan Peng
We study scalarization of horizonless neutral compact reflecting stars. In our model, the scalar hair can be induced by the coupling of static scalar fields to the Gauss-Bonnet inv…
Upper bound on the radii of regular ultra-compact star photonspheres
Yan Peng
We investigate the photonsphere in the background of regular asymptotically flat compact stars. The analysis includes the general hairy compact star considering the matter fields'…
An upper bound on the minimum orbital period of black holes
Yan Peng
Previous research has focused on establishing lower bounds on the minimum orbital period of black holes. In this work, we explore the complementary question of whether an upper bou…
Synchronous Adversarial Feature Learning for LiDAR based Loop Closure Detection
Peng Yin, Yuqing He, Lingyun Xu +3
Loop Closure Detection (LCD) is the essential module in the simultaneous localization and mapping (SLAM) task. In the current appearance-based SLAM methods, the visual inputs are u…
Hybrid Physics-ML Modeling for Marine Vehicle Maneuvering Motions in the Presence of Environmental Disturbances
Zihao Wang, Jian Cheng, Liang Xu +2
A hybrid physics-machine learning modeling framework is proposed for the surface vehicles' maneuvering motions to address the modeling capability and stability in the presence of e…
No hair theorem for bound-state massless static scalar fields outside horizonless Neumann compact stars
Yan Peng
We study no-hair theorem for horizonless objects, being subject to Neumann boundary conditions. For massive scalar fields, a no hair theorem for Neumann compact stars was proved by…
Open-World Object Detection via Discriminative Class Prototype Learning
Jinan Yu, Liyan Ma, Zhenglin Li +2
Open-world object detection (OWOD) is a challenging problem that combines object detection with incremental learning and open-set learning. Compared to standard object detection, t…
Anisotropic multi-orbital Hubbard model simulated with impurity approximation
Yan Peng, Mi Jiang
Motivated by the recent experimental findings on the orbital ordering of cuprate SC, we have investigated the multi-orbital Hubbard model in the framework of Cu impurity approximat…
No short hair behaviors of ultra-compact stars
Yan Peng
In the black hole spacetime, a no short hair theorem was proved, which states that the effective radius of black hole hairs must extend beyond the null circular orbit. In the prese…
On the thermodynamics of the black hole and hairy black hole transitions in the asymptotically flat spacetime with a box
Yan Peng, Bin Wang, Yunqi Liu
We study the asymptotically flat quasi-local black hole/hairy black hole model with nonzero mass of the scalar filed. We disclose effects of the scalar mass on transitions in a gra…
Stationary scalar hairy configurations supported by Neumann compact stars
Yan Peng
We study stationary scalar field hairy configurations supported by asymptotically flat horizonless compact stars. At the star surface, we impose Neumann boundary conditions for the…
Investigations on hoop conjecture for horizonless spherical charged stars
Yan Peng
For horizonless spherical stars with uniform charge density, the hoop conjecture was tested based on the interior solution. In this work, we are interested in more general horizonl…
Bounds on the minimum orbital periods of non-singular Hayward and Bardeen black holes
Guohua Liu, Yan Peng
Based on previous studies, universal bounds were conjectured to be characteristic properties of black hole spacetimes, where rep…
Scalarization of horizonless reflecting stars: neutral scalar fields non-minimally coupled to Maxwell fields
Yan Peng
We analyze condensation behaviors of neutral scalar fields outside horizonless reflecting stars in the Einstein-Maxwell-scalar gravity. It was known that minimally coupled neutral…
Scalar condensation behaviors around regular Neuman reflecting stars
Yan Peng
We study static massive scalar field condensations in the regular asymptotically flat reflecting star background. We impose Neumann reflecting surface boundary conditions for the s…
Studies of a general flat space/boson star transition model in a box through a language similar to holographic superconductors
Yan Peng
We study a general flat space/boson star transition model in quasi-local ensemble through approaches familiar from holographic superconductor theories. We manage to find a paramete…
Rotating scalarized supermassive black holes
Shoupan Liu, Yunqi Liu, Yan Peng +1
In this study, we investigate rotating black hole solutions within a scalar Gauss-Bonnet gravity framework that incorporates a squared Gauss-Bonnet term. By employing a quadratic e…
Tree species effects on topsoil carbon stock and concentration are mediated by tree species type, mycorrhizal association, and N-fixing ability at the global scale
Yan Peng, Inger Kappel Schmidt, Haifeng Zheng +5
Selection of appropriate tree species is an important forest management decision that may affect sequestration of carbon (C) in soil. However, information about tree species effect…
Unleashing the Potential of Large Language Model: Zero-shot VQA for Flood Disaster Scenario
Yimin Sun, Chao Wang, Yan Peng
Visual question answering (VQA) is a fundamental and essential AI task, and VQA-based disaster scenario understanding is a hot research topic. For instance, we can ask questions ab…
Holographic insulator/superconductor transitions in the three dimensional AdS soliton
Yan Peng
We investigate the holographic description of a superconductor constructed in the (2+1)-dimensional AdS soliton background in the probe limit. We study the holographic properties t…
Non-linearly scalarized supermassive black holes
Shoupan Liu, Yunqi Liu, Yan Peng +1
In this study, we investigate a nonlinear mechanism driving the formation of scalarized rotating black holes within a scalar-Gauss-Bonnet gravity framework that includes an additio…
Role of interstitial orbital in a model of infinite-layer nickelates
Yan Peng, Rui Peng, Mi Jiang
Motivated by recent angle-resolved photoemission spectroscopy (ARPES) experiments on infinite-layer (IL) nickelates, we employ determinant quantum Monte Carlo (DQMC) to study the t…
Unity RL Playground: A Versatile Reinforcement Learning Framework for Mobile Robots
Linqi Ye, Rankun Li, Xiaowen Hu +4
This paper introduces Unity RL Playground, an open-source reinforcement learning framework built on top of Unity ML-Agents. Unity RL Playground automates the process of training mo…
Analytical investigations on formations of hairy neutral reflecting shells in the scalar-Gauss-Bonnet gravity
Yan Peng
We study scalarization of spherically symmetric neutral reflecting shells in the scalar-tensor gravity. We consider neutral static massless scalar fields non-minimally coupled to t…
Analytical investigations on the Maxwell electromagnetic invariant in the spinning and charged horizonless star background
Yan Peng
We study properties of the Maxwell electromagnetic invariant in the external region of spinning and charged horizonless stars. We analytically find that the minimum negative value…
No hair theorem for spherically symmetric regular compact stars with Dirichlet boundary conditions
Yan Peng
We study scalar condensation in the background of asymptotically flat spherically symmetric regular Dirichlet stars. We assume that the scalar field decreases as the star surface i…
Hair mass bound in the black hole with nonzero cosmological constants
Yan Peng
We study mass bounds of Maxwell fields in RN black holes and genuine hair in Einstein-Born-Infeld black holes with various cosmological constants. It shows that the Maxwell field s…
Reducing Hallucinations: Enhancing VQA for Flood Disaster Damage Assessment with Visual Contexts
Yimin Sun, Chao Wang, Yan Peng
The zero-shot performance of visual question answering (VQA) models relies heavily on prompts. For example, a zero-shot VQA for disaster scenarios could leverage well-designed Chai…
Static scalar field condensation in regular asymptotically AdS reflecting star backgrounds
Yan Peng
We study condensation behaviors of static scalar fields in the regular asymptotically AdS reflecting star spacetime. With analytical methods, we provide upper bounds for the radii…
Gauss-Bonnet holographic superconductors in Born-Infeld electrodynamics with backreactions
Yunqi Liu, Yan Peng, Bin Wang
We develop a general holographic superconductor away from the probe limit by considering the corrections both in the gravity and in the gauge matter fields. We find the consistent…
Proximal Policy Optimization with Mixed Distributed Training
Zhenyu Zhang, Xiangfeng Luo, Tong Liu +5
Instability and slowness are two main problems in deep reinforcement learning. Even if proximal policy optimization (PPO) is the state of the art, it still suffers from these two p…
On instabilities of stationary scalar field configurations supported by reflecting compact stars
Yan Peng
We study instabilities of the system composed of stationary scalar fields and asymptotically flat horizonless reflecting compact stars. In the probe limit, we obtain bounds on the…
No scalar condensations outside reflecting stars with coupling terms from Ginzburg-Landau models
Guohua Liu, Yan Peng
We consider static scalar fields coupled to the gradient where the coupling also appears in next-to-leading order Ginzburg-Landau models. We study condensation behaviors of scalar…
Learning Bifunctional Push-grasping Synergistic Strategy for Goal-agnostic and Goal-oriented Tasks
Dafa Ren, Shuang Wu, Xiaofan Wang +2
Both goal-agnostic and goal-oriented tasks have practical value for robotic grasping: goal-agnostic tasks target all objects in the workspace, while goal-oriented tasks aim at gras…
Upper bounds on the compactness at the innermost light ring of anisotropic horizonless spheres
Yan Peng
In the background of isotropic horizonless spheres, Hod recently provided an analytical proof of a bound on the compactness at the innermost light ring with the dominant energy and…
Holographic entanglement entropy in superconductor phase transition with dark matter sector
Yan Peng
In this paper, we investigate the holographic phase transition with dark matter sector in the AdS black hole background away from the probe limit. We disclose the properties of pha…
Pilot Reuse for Massive MIMO Transmission over Spatially Correlated Rayleigh Fading Channels
Li You, Xiqi Gao, Xiang-Gen Xia +2
We propose pilot reuse (PR) in single cell for massive multiuser multiple-input multiple-output (MIMO) transmission to reduce the pilot overhead. For spatially correlated Rayleigh…
PointVLA: Injecting the 3D World into Vision-Language-Action Models
Chengmeng Li, Junjie Wen, Yan Peng +3
Vision-Language-Action (VLA) models excel at robotic tasks by leveraging large-scale 2D vision-language pretraining, but their reliance on RGB images limits spatial reasoning criti…
A general holographic metal/superconductor phase transition model
Yan Peng, Yunqi Liu
We study the scalar condensation of a general holographic superconductor model in AdS black hole background away from the probe limit. We find the model parameters together with th…
Hair formation in the background of noncommutative reflecting stars
Yan Peng
We investigate scalar condensations around noncommutative compact reflecting stars. We find that the neutral noncommutative reflecting star cannot support the existence of scalar f…
CoA-VLA: Improving Vision-Language-Action Models via Visual-Textual Chain-of-Affordance
Jinming Li, Yichen Zhu, Zhibin Tang +8
Robot foundation models, particularly Vision-Language-Action (VLA) models, have garnered significant attention for their ability to enhance robot policy learning, greatly improving…
Scalar field configurations supported by charged compact reflecting stars in a curved spacetime
Yan Peng
We study the system of static scalar fields coupled to charged compact reflecting stars through both analytical and numerical methods. We enclose the star in a box and our solution…
Holographic entanglement entropy in general holographic superconductor models
Yan Peng, Qiyuan Pan
We study the entanglement entropy of general holographic dual models both in AdS soliton and AdS black hole backgrounds with full backreaction. We find that the entanglement entrop…
No scalar hair theorem for neutral Neumann stars: static massive scalar fields nonminimally coupled to gravity
Yan Peng
In a recent paper, Hod proved that spherically symmetric Dirichlet reflecting compact stars cannot support static nonminimally coupled scalar fields. In the present paper, we study…
The existence of null circular geodesics outside extremal spherically symmetric asymptotically flat hairy black holes
Yan Peng
The existence of null circular geodesics has been proved in the background of non-extremal spherically symmetric asymptotically flat black holes in previous works. Then it is an in…
Studies of no light scalar hair behaviors for compact reflecting stars in a box
Yan Peng
We study condensation of scalar fields around compact reflecting stars in a box. We propose no light scalar hair behaviors that the neutral compact star cannot support the existenc…
Upper bound on the radius of the innermost photonsphere in the regular compact star spacetime
Guohua Liu, Yan Peng
We study properties of the innermost photonsphere in the regular compact star background. We take the traceless energy-momentum tensor and dominant energy conditions. In the regula…
Lower bound on the orbital period of Kerr-Newman black holes
Yan Peng
Based on the orbital period of Kerr black holes, Hod proposed a conjecture that a general lower bound on the orbital period may exist. In this work, we examined this bound by explo…
Analytical investigations on non-minimally coupled scalar fields outside neutral reflecting shells
Yan Peng
We study the existence of scalar fields outside neutral reflecting shells. We consider static massive scalar fields non-minimally coupled to the Gauss-Bonnet invariant. We analytic…
DPC: Dual-Prompt Collaboration for Tuning Vision-Language Models
Haoyang Li, Liang Wang, Chao Wang +3
The Base-New Trade-off (BNT) problem universally exists during the optimization of CLIP-based prompt tuning, where continuous fine-tuning on base (target) classes leads to a simult…
PhiP-G: Physics-Guided Text-to-3D Compositional Scene Generation
Qixuan Li, Chao Wang, Zongjin He +1
Text-to-3D asset generation has achieved significant optimization under the supervision of 2D diffusion priors. However, when dealing with compositional scenes, existing methods en…
Spontaneous scalarization of Gauss-Bonnet black holes surrounded by massive scalar fields
Yan Peng
For massless scalar fields, a relation for was observed in the scalar-Gauss-Bonnet theory. In the present paper, we extend the d…
Analysis of minimum orbital periods around d-dimensional charged black holes
Yan Peng, Guohua Liu
This paper investigates the bounds on the minimum orbital period for test objects around d-dimensional charged black holes in asymptotically flat spacetimes. We find numerically th…
Smtlink 2.0
Yan Peng, Mark R. Greenstreet
Smtlink is an extension of ACL2 with Satisfiability Modulo Theories (SMT) solvers. We presented an earlier version at ACL2'2015. Smtlink 2.0 makes major improvements over the initi…
A unified hoop conjecture for black holes and horizonless compact stars
Yan Peng
We propose a unified version of hoop conjecture valid for various black holes and horizonless compact stars. This conjecture is expressed by the mass to circumference ratio $4ÏM_{…
Towards Instance Segmentation with Polygon Detection Transformers
Jiacheng Sun, Jiaqi Lin, Wenlong Hu +5
One of the bottlenecks for instance segmentation today lies in the conflicting requirements of high-resolution inputs and lightweight, real-time inference. To address this bottlene…
The extreme orbital period in scalar hairy kerr black holes
Yan Peng
In a very interesting paper, Hod has proven that the equatorial null circular geodesic provides the extreme orbital period to circle a kerr black hole, which is closely related to…
Large regular reflecting stars have no scalar field hair
Yan Peng
We investigate the gravity system constructed with static scalar fields coupled to asymptotically flat regular reflecting stars. We consider the matter field's backreaction on the…
Spontaneous excitation of a centripetally accelerated atom coupled to electromagnetic vacuum fluctuations near a reflecting boundary
Yan Peng, Jiawei Hu, Hongwei Yu
We investigate the rate of change of the mean atomic energy for centripetally accelerated atoms interacting with electromagnetic vacuum fluctuations near a reflecting boundary, usi…