Publications (65)
Revealing Energy Dependence of Quantum Defects via Two Heteronuclear Atoms in an Optical Tweezer
Kunpeng Wang, Xiaodong He, Xiang Gao +8
As a physically motivated and computationally simple model for cold atomic and molecular collisions, the multichannel quantum defect theory (MQDT) with frame transformation (FT) fo…
Three-body recombination near a narrow Feshbach resonance in Li
Jiaming Li, Ji Liu, Le Luo +1
We experimentally measure, and theoretically analyze the three-atom recombination rate, , around a narrow wave magnetic Feshbach resonance of Li-Li at 543.3 Gauss.…
Observation of a broad state-to-state spin-exchange collision near a p-wave Feshbach resonances of Li atoms
Shuai Peng, Tangqian Shu, Bowen Si +6
The study of state-to-state spin-exchange collisions in the vicinity of -wave Feshbach resonances offer great opportunities to explore many-body interactions and novel quantum p…
Burn-After-Use for Preventing Data Leakage through a Secure Multi-Tenant Architecture in Enterprise LLM
Qiang Zhang, Elena Emma Wang, Jiaming Li +1
This study presents a Secure Multi-Tenant Architecture (SMTA) combined with a novel concept Burn-After-Use (BAU) mechanism for enterprise LLM environments to effectively prevent da…
Observation of quantum-classical transition behavior of LGI in a dissipative quantum gas
Qinxuan Peng, Bolong Jiao, Hang Yu +4
The Leggett-Garg inequality (LGI) is a powerful tool for distinguishing between quantum and classical properties in studies of macroscopic systems. Applying the LGI to non-Hermitia…
Decoupled Pseudo-labeling for Semi-Supervised Monocular 3D Object Detection
Jiacheng Zhang, Jiaming Li, Xiangru Lin +6
We delve into pseudo-labeling for semi-supervised monocular 3D object detection (SSM3OD) and discover two primary issues: a misalignment between the prediction quality of 3D and 2D…
TMPO: Trajectory Matching Policy Optimization for Diverse and Efficient Diffusion Alignment
Jiaming Li, Chenyu Zhu, Nanxi Yi +9
Reinforcement learning (RL) has shown extraordinary potential in aligning diffusion models to downstream tasks, yet most of them still suffer from significant reward hacking, which…
Edge-Side Residual Timing and Frequency Control for Software-Defined Ground Stations in 5G NTN Uplinks
Longji He, Elena Emma Wang, Xichun Wang +2
This paper studies a ground-segment implementation problem in 5G non-terrestrial networks (NTN): once UE-side geometric pre-compensation has produced a coarse timing/frequency prio…
ReactDiff: Latent Diffusion for Facial Reaction Generation
Jiaming Li, Sheng Wang, Xin Wang +4
Given the audio-visual clip of the speaker, facial reaction generation aims to predict the listener's facial reactions. The challenge lies in capturing the relevance between video…
On the error term concerning the number of cyclic subgroups of Z_l \times Z_m \times Z_n with lmn\leqslant x
Jing Ma, Jiaming Li, Jia Zhang
Let Zn denote the additive group of residue classes modulo n. Let c(l,m,n) denote the number of cyclic subgroups of Zl *Zm *Zn. For any x > 1, we consider the asymptotic behavior o…
IPBench: Benchmarking the Knowledge of Large Language Models in Intellectual Property
Qiyao Wang, Guhong Chen, Hongbo Wang +20
Intellectual Property (IP) is a highly specialized domain that integrates technical and legal knowledge, making it inherently complex and knowledge-intensive. Recent advancements i…
Observation of two PT transitions in an electric circuit with balanced gain and loss
Tishuo Wang, Jianxiong Fang, Zhongyi Xie +5
We investigate PT -symmetry breaking transitions in a dimer comprising two LC oscillators, one with loss and the second with gain. The electric energy of this four-mode model oscil…
Learning Background Prompts to Discover Implicit Knowledge for Open Vocabulary Object Detection
Jiaming Li, Jiacheng Zhang, Jichang Li +4
Open vocabulary object detection (OVD) aims at seeking an optimal object detector capable of recognizing objects from both base and novel categories. Recent advances leverage knowl…
Observation of parity-time symmetry breaking transitions in a dissipative Floquet system of ultracold atoms
Jiaming Li, Andrew K. Harter, Ji Liu +3
Open physical systems with balanced loss and gain, described by non-Hermitian parity-time () reflection symmetric Hamiltonians, exhibit a transition which could engen…
Accelerating evaporative cooling of a strongly interacting Fermi gas by tilting the optical trap with a magnetic field gradient
Bolong Jiao, Shuai Peng, Qinxuan Peng +4
We present a rapid evaporative cooling scheme for a strongly interacting Fermi gas in an optical dipole trap. The method uses a magnetic-field-gradient--induced t…
Ruler: A Model-Agnostic Method to Control Generated Length for Large Language Models
Jiaming Li, Lei Zhang, Yunshui Li +5
The instruction-following ability of large language models enables humans to interact with AI agents in a natural way. However, when required to generate responses of a specific le…
DiffAM: Diffusion-based Adversarial Makeup Transfer for Facial Privacy Protection
Yuhao Sun, Lingyun Yu, Hongtao Xie +2
With the rapid development of face recognition (FR) systems, the privacy of face images on social media is facing severe challenges due to the abuse of unauthorized FR systems. Som…
STORYTELLER: An Enhanced Plot-Planning Framework for Coherent and Cohesive Story Generation
Jiaming Li, Yukun Chen, Ziqiang Liu +10
Stories are central to human culture, serving to share ideas, preserve traditions, and foster connections. Automatic story generation, a key advancement in artificial intelligence…
Benchmarking Large Language Models for Image Classification of Marine Mammals
Yijiashun Qi, Shuzhang Cai, Zunduo Zhao +3
As Artificial Intelligence (AI) has developed rapidly over the past few decades, the new generation of AI, Large Language Models (LLMs) trained on massive datasets, has achieved gr…
Cross-Modal Attention Calibration for LVLM Hallucination Mitigation
Jiaming Li, Jiacheng Zhang, Zequn Jie +2
Large vision-language models (LVLMs) have shown remarkable capabilities in visual-language understanding. Despite their success, LVLMs still suffer from generating hallucinations i…
Single-pixel imaging based on deep learning
Kai Song, Yaoxing Bian, Ku Wu +7
Single-pixel imaging can collect images at the wavelengths outside the reach of conventional focal plane array detectors. However, the limited image quality and lengthy computation…
RuCL: Stratified Rubric-Based Curriculum Learning for Multimodal Large Language Model Reasoning
Yukun Chen, Jiaming Li, Longze Chen +10
Reinforcement Learning with Verifiable Rewards (RLVR) has emerged as a prevailing paradigm for enhancing reasoning in Multimodal Large Language Models (MLLMs). However, relying sol…
GUI-R1 : A Generalist R1-Style Vision-Language Action Model For GUI Agents
Run Luo, Lu Wang, Wanwei He +3
Existing efforts in building Graphical User Interface (GUI) agents largely rely on the training paradigm of supervised fine-tuning on Large Vision-Language Models (LVLMs). However,…
Beam pointing stabilization of an acousto-optic modulator with thermal control
Xiao Zhang, Yang Chen, Jianxiong Fang +3
Diffraction beams generated by an acousto-optic modulator (AOM) are widely used in various optical experiments, some of which require high angular stability with the temporal modul…
Frequency-aware Discriminative Feature Learning Supervised by Single-Center Loss for Face Forgery Detection
Jiaming Li, Hongtao Xie, Jiahong Li +2
Face forgery detection is raising ever-increasing interest in computer vision since facial manipulation technologies cause serious worries. Though recent works have reached sound a…
Orca: The World is in Your Mind
Yihao Wang, Yuheng Ji, Mingyu Cao +54
We introduce Orca, an initial instantiation of a general world foundation model. Orca learns a unified world latent space from multimodal world signals and exposes it through multi…
Broadband Population Transfer Based on Suture Adiabatic Pulses
Jiaming Li, Xi-Wang Luo, Guang-Can Guo +1
High-fidelity coherent population transfer plays a vital role in the realization of quantum memories. However, population transfer with high performance across a broad frequency ra…
An Ensemble Framework For Day-Ahead Forecast of PV Output Power in Smart Grids
Muhammad Qamar Raza, N. Mithulananthan, Jiaming Li +2
The uncertainty associated with solar photo-voltaic (PV) power output is a big challenge to design, manage and implement effective demand response and management strategies. Theref…
Orbital-resolved three-body recombination across a p-wave Feshbach resonance in ultracold Li
Shaokun Liu, Zhekang Xu, Shuai Peng +4
We report precision, orbital-resolved measurements of three-body recombination near the 159~G -wave Feshbach resonance in an ultracold gas of Li atoms prepared in their lo…
Semi-implicit Lax-Wendroff kinetic scheme for electron-phonon coupling
Jiaming Li, Hong Liang, Meng Lian +2
A semi-implicit Lax-Wendroff scheme is developed for electron-phonon coupling process in metals based on the two-temperature kinetic equations. The core of this method is to integr…
Scaling law for three-body collisions near a narrow s-wave Feshbach resonance
Jiaming Li, Shuai Peng, Yirou Xu +2
Ultracold atomic gases provide a controllable system to study the inelastic processes for three-body systems, where the three-body recombination rate depends on the scattering leng…
First-principles Investigation of Exceptional Coarsening-resistant V-Sc(Al2Cu)4 Nanoprecipitates in Al-Cu-Mg-Ag-Sc Alloys
Junyuan Bai, Hao Xue, Jiaming Li +4
Aluminum-copper-magnesium-sliver (Al-Cu-Mg-Ag) alloys are extensively utilized in aerospace industries due to the formation of Omega nano-plates.However, the rapid coarsening of th…
Instruction-Guided Visual Masking
Jinliang Zheng, Jianxiong Li, Sijie Cheng +6
Instruction following is crucial in contemporary LLM. However, when extended to multimodal setting, it often suffers from misalignment between specific textual instruction and targ…
Optimal Power Allocation over Multiple Identical Gilbert-Elliott Channels
Jiaming Li, Junhua Tang, Bhaskar Krishnamachari
We study the fundamental problem of power allocation over multiple Gilbert-Elliott communication channels. In a communication system with time varying channel qualities, it is impo…
II-Bench: An Image Implication Understanding Benchmark for Multimodal Large Language Models
Ziqiang Liu, Feiteng Fang, Xi Feng +23
The rapid advancements in the development of multimodal large language models (MLLMs) have consistently led to new breakthroughs on various benchmarks. In response, numerous challe…
Efficient shortcuts-to-adiabaticity for loading an ultracold Fermi gas into higher orbital bands of one-dimensional optical lattice
Hang Yu, Haoyi Zhang, Bolong Jiao +4
We propose an experimental scheme to load ultracold Fermi gases from the ground orbital band of a one-dimensional optical lattice into the first excited orbital band. Unlike the na…
Med-LEGO: Editing and Adapting toward Generalist Medical Image Diagnosis
Yitao Zhu, Yuan Yin, Jiaming Li +5
The adoption of visual foundation models has become a common practice in computer-aided diagnosis (CAD). While these foundation models provide a viable solution for creating genera…
Characterization of the magnetic field through the three-body loss near a narrow Feshbach resonance
Yang Chen, Shuai Peng, Hongwei Gong +3
The narrow s-wave Feshbach resonance of a Li Fermi gas shows strong three-body loss, which is proposed to be used to measure the minute change of a magnetic field around the re…
I2E: From Image Pixels to Actionable Interactive Environments for Text-Guided Image Editing
Jinghan Yu, Junhao Xiao, Chenyu Zhu +9
Existing text-guided image editing methods primarily rely on end-to-end pixel-level inpainting paradigm. Despite its success in simple scenarios, this paradigm still significantly…
Cooling a Fermi gas with three-body recombination near a narrow Feshbach resonance
Shuai Peng, Haotian Liu, Jiaming Li +1
Three-body recombination is a phenomenon common in atomic and molecular collisions, producing heating in the system. However, we find the cooling effect of the three-body recombina…
VisionCAD: An Integration-Free Radiology Copilot Framework
Jiaming Li, Junlei Wu, Sheng Wang +7
Widespread clinical deployment of computer-aided diagnosis (CAD) systems is hindered by the challenge of integrating with existing hospital IT infrastructure. Here, we introduce Vi…
PersonaMath: Boosting Mathematical Reasoning via Persona-Driven Data Augmentation
Jing Luo, Longze Chen, Run Luo +12
While closed-source Large Language Models (LLMs) demonstrate strong mathematical problem-solving abilities, open-source models still face challenges with such tasks. To bridge this…
OASIS: On-Demand Hierarchical Event Memory for Streaming Video Reasoning
Zhijia Liang, Jiaming Li, Weikai Chen +3
Streaming video reasoning requires models to operate in a setting where history grows without bound while meaningful evidence remains scarce. In such a landscape, relevant signal i…
Parametric cooling of a degenerate Fermi gas in an optical trap
Jiaming Li, Ji Liu, Wen Xu +2
We demonstrate a novel technique for cooling a degenerate Fermi gas in a crossed-beam optical dipole trap, where high-energy atoms can be selectively removed from the trap by modul…
Orbital-Dependent Dimensional Crossover of a -Wave Feshbach Resonance
Hang Yu, Liao Sun, Shaokun Liu +3
We report the observation of a dimensional crossover of a -wave Feshbach resonance in an ultracold, spin-polarized Li Fermi gas confined by a one-dimensional optical lattice…
Machine Learning Powered Feasible Path Framework with Adaptive Sampling for Black-box Optimization
Zixuan Zhang, Xiaowei Song, Jiaming Li +7
Black-box optimization (BBO) involves functions that are unknown, inexact and/or expensive-to-evaluate. Existing BBO algorithms face several challenges, including high computationa…
Learning Ordinal Probabilistic Reward from Preferences
Longze Chen, Lu Wang, Renke Shan +6
Reward models are crucial for aligning large language models (LLMs) with human values and intentions. Existing approaches follow either Generative (GRMs) or Discriminative (DRMs) p…
Interference between two independent multi-mode thermal fields
Jie Su, Jiaming Li, Liang Cui +2
We study the property of the field which is a mixing of two multi-mode thermal fields. We accomplish a general theoretical analysis and show that the mode of the mixed field, chara…
E3-Rewrite: Learning to Rewrite SQL for Executability, Equivalence,and Efficiency
Dongjie Xu, Yue Cui, Weijie Shi +9
SQL query rewriting aims to reformulate a query into a more efficient form while preserving equivalence. Most existing methods rely on predefined rewrite rules. However, such rule-…
Multivariate Ensemble Forecast Framework for Demand Prediction of Anomalous Days
Muhammad Qamar Raza, N. Mithulananthan, Jiaming Li +1
An accurate load forecast is always important for the power industry and energy players as it enables stakeholders to make critical decisions. In addition, its importance is furthe…
Gradient-based Sampling for Class Imbalanced Semi-supervised Object Detection
Jiaming Li, Xiangru Lin, Wei Zhang +6
Current semi-supervised object detection (SSOD) algorithms typically assume class balanced datasets (PASCAL VOC etc.) or slightly class imbalanced datasets (MS-COCO, etc). This ass…
Zero-Shot Cellular Trajectory Map Matching
Weijie Shi, Yue Cui, Hao Chen +5
Cellular Trajectory Map-Matching (CTMM) aims to align cellular location sequences to road networks, which is a necessary preprocessing in location-based services on web platforms l…
Breaking the Block: Preserving Data Continuity to Train Superior SAEs for Instruct Models
Jiaming Li, Haoran Ye, Yukun Chen +5
Sparse Autoencoders (SAEs) are a cornerstone of mechanistic interpretability. Existing training methods inherit the Block Training paradigm from LLM pre-training, which introduces…
Implicit Actor Critic Coupling via a Supervised Learning Framework for RLVR
Jiaming Li, Longze Chen, Ze Gong +5
Recent advances in Reinforcement Learning with Verifiable Rewards (RLVR) have empowered large language models (LLMs) to tackle challenging reasoning tasks such as mathematics and p…
MITracker: Multi-View Integration for Visual Object Tracking
Mengjie Xu, Yitao Zhu, Haotian Jiang +8
Multi-view object tracking (MVOT) offers promising solutions to challenges such as occlusion and target loss, which are common in traditional single-view tracking. However, progres…
Hierarchical Context Pruning: Optimizing Real-World Code Completion with Repository-Level Pretrained Code LLMs
Lei Zhang, Yunshui Li, Jiaming Li +7
Some recently developed code large language models (Code LLMs) have been pre-trained on repository-level code data (Repo-Code LLMs), enabling these models to recognize repository s…
Kimi-VL Technical Report
Kimi Team, Angang Du, Bohong Yin +92
We present Kimi-VL, an efficient open-source Mixture-of-Experts (MoE) vision-language model (VLM) that offers advanced multimodal reasoning, long-context understanding, and strong…
Small gaps of GSE
Renjie Feng, Jiaming Li, Dong Yao
In this paper, we study the smallest gaps for the Gaussian symplectic ensemble (GSE). We prove that the rescaled smallest gaps and their locations converge to a Poisson point proce…
Unification of quantum Zeno-anti Zeno effects and parity-time symmetry breaking transitions
Jiaming Li, Tishuo Wang, Le Luo +2
The decay of any unstable quantum state can be inhibited or enhanced by carefully tailored measurements, known as the quantum Zeno effect (QZE) or anti-Zeno effect (QAZE). To date,…
Shot-Noise-Limited Laser Frequency Stabilization Using a High-Resolution Wavelength Meter
Mengde Gan, Haoyi Zhang, Xiaodong Tan +2
We present a compact laser frequency stabilization method by locking a 556 nm laser to a high-precision wavelength meter. Unlike traditional schemes that rely on optical cavities o…
OpenOmni: Advancing Open-Source Omnimodal Large Language Models with Progressive Multimodal Alignment and Real-Time Self-Aware Emotional Speech Synthesis
Run Luo, Ting-En Lin, Haonan Zhang +10
Recent advancements in omnimodal learning have significantly improved understanding and generation across images, text, and speech, yet these developments remain predominantly conf…
Controllable Production of Degenerate Fermi Gases of Li Atoms in the 2D-3D Crossover
Hongwei Gong, Haotian Liu, Bolong Jiao +8
The many-body physics in the dimensional crossover regime attracts much attention in cold atom experiments, but yet to explore systematically. One of the technical difficulties exi…
On Hybrid Pilot for Channel Estimation in Massive MIMO Uplink
Jiaming Li, Chau Yuen, Dong Li +2
This paper introduces a hybrid pilot-aided channel estimation technique for mitigating the effect of pilot contamination for the uplink of multi-cell multiuser massive MIMO systems…
Precision Measurement of Spin-Dependent Dipolar Splitting in Li p-Wave Feshbach Resonances
Shuai Peng, Sijia Peng, Lijun Ren +4
The magnetic dipolar splitting of a p-wave Feshbach resonance is governed by the spin-orbital configuration of the valence electrons in the triplet molecular state. We perform high…
GUIDED: Granular Understanding via Identification, Detection, and Discrimination for Fine-Grained Open-Vocabulary Object Detection
Jiaming Li, Zhijia Liang, Weikai Chen +2
Fine-grained open-vocabulary object detection (FG-OVD) aims to detect novel object categories described by attribute-rich texts. While existing open-vocabulary detectors show promi…