papers

Publications (91)

cond-mat.supr-con2024

Superconducting-transition-temperature dependence of superfluid density and conductivity in pressurized cuprate superconductors

Jinyu Zhao, Shu Cai, Yiwen Chen +15

What factors fundamentally determine the value of superconducting transition temperature (Tc) in high temperature superconductors has been the subject of intense debate. Following…

physics.optics2025

Solid-state Laser Cooling

Yang Ding, Shenghao Zhang, Alexander R. Albrecht +8

Since the first proof-of-concept demonstrations of photoluminescence-based optical refrigeration, solid-state laser cooling has developed into a credible competitor to conventional…

cond-mat.soft2011

Drag induced lift in granular media

Yang Ding, Nick Gravish, Daniel I. Goldman

Laboratory experiments and numerical simulation reveal that a submerged intruder dragged horizontally at constant velocity within a granular medium experiences a lift force whose s…

cs.SC2026

Explicit Factorization of over via Cofactor-Free Single-Seed Hensel Lifting

Yongchao Wang, Yang Ding, Jiansheng Yang +1

We present a complete framework for the explicit factorization of over integer residue rings for arbitrary with . Classical approaches…

cs.CL2024

SeaEval for Multilingual Foundation Models: From Cross-Lingual Alignment to Cultural Reasoning

Bin Wang, Zhengyuan Liu, Xin Huang +4

We present SeaEval, a benchmark for multilingual foundation models. In addition to characterizing how these models understand and reason with natural language, we also investigate…

cond-mat.str-el2010

High pressure evolution of FeO electronic structure revealed by X-ray absorption

Shibing Wang, Wendy L. Mao, Adam P. Sorini +9

We report the first high pressure measurement of the Fe K-edge in hematite (FeO) by X-ray absorption spectroscopy in partial fluorescence yield geometry. The pressure-induc…

cond-mat.mtrl-sci2022

On the structure of SbTeI

Raimundas Sereika, Raimundas Žaltauskas, Šarūnas Varnagiris +4

Antimony telluroiodide (SbTeI) is predicted to be a promising material in many technological applications based on theoretical simulations, however the bulk structure solution rema…

cond-mat.supr-con2024

Low-temperature mean valence of nickel ions in pressurized LaNiO

Shu Cai, Yazhou Zhou, Hualei Sun +18

The discovery of high critical temperature (Tc) superconductivity in pressurized LaNiO has ignited renewed excitement in the search of novel high-Tc superconducting com…

cond-mat.mtrl-sci2024

Experimental evidence of crystal-field, Zeeman splitting, and spin-phonon excitations in the quantum supersolid Na2BaCo(PO4)2

Ghulam Hussain, Jianbo Zhang, Man Zhang +5

Drawing inspiration from the recent breakthroughs in the \ce{Na_{2}BaCo(PO_{4})_{2}} quantum magnet, renowned for its spin supersolidity phase and its potential for revolutionary c…

q-bio.PE2012

Epistasis not needed to explain low dN/dS

David M. McCandlish, Etienne Rajon, Premal Shah +2

An important question in molecular evolution is whether an amino acid that occurs at a given position makes an independent contribution to fitness, or whether its effect depends on…

cs.DL2024

The Impact of Artificial Intelligence on Art Research: An Analysis of Academic Productivity and Multidisciplinary Integration

Yang Ding

This study investigates the transformative impact of artificial intelligence on art research by analysing data from 749 art research projects and 555,982 non art research projects,…

cond-mat.mtrl-sci2024

Narrowing band gap chemically and physically: Conductive dense hydrocarbon

Takeshi Nakagawa, Caoshun Zhang, Kejun Bu +14

Band gap energy of an organic molecule can be reduced by intermolecular interaction enhancement, and thus, certain polycyclic aromatic hydrocarbons (PAHs), which are insulators wit…

physics.flu-dyn2009

Sand swimming lizard: sandfish

Ryan D. Maladen, Yang Ding, Adam Kamor +1

We use high-speed x-ray imaging to reveal how a small (~10cm) desert dwelling lizard, the sandfish (Scincus scincus), swims within a granular medium [1]. On the surface, the lizard…

cs.IT2014

Erasure List-Decodable Codes from Random and Algebraic Geometry Codes

Yang Ding, Lingfei Jin, Chaoping Xing

Erasure list decoding was introduced to correct a larger number of erasures with output of a list of possible candidates. In the present paper, we consider both random linear codes…

cond-mat.soft2013

Lift and drag in intruders moving through hydrostatic granular media at high speeds

Fabricio Q. Potiguar, Yang Ding

Recently, experiments showed that forces on intruders dragged horizontally through dense, hydrostatic granular packings mainly depend on the local surface orientation and can be se…

cs.DL2026

Frontlines and faultlines: How the Russo-Ukrainian conflict reshapes the landscape of scientific research

Yang Ding

Geopolitical conflict poses significant challenges to research and innovation policy by disrupting scientific systems and talent mobility. This study analyzes the impact of the con…

physics.flu-dyn2022

Swimming of the midge larva: principles and tricks of locomotion at intermediate Reynolds number

Bowen Jin, Chengfeng Pan, Neng Xia +4

At the millimeter scale and in the intermediate Reynolds number (Re) regime, the midge and mosquito larvae can reach swimming speeds of more than one body length per cycle performi…

cond-mat.mtrl-sci2018

Prolonged mixed phase induced by high pressure in MnRuP

Raimundas Sereika, Wei Wu, Changyong Park +10

Hexagonally structured MnRuP was studied under high pressure up to 35 GPa from 5 to 300 K using synchrotron X-ray diffraction. We observed that a partial phase transition from hexa…

cond-mat.mtrl-sci2020

Giant pressure-enhancement of multiferroicity in CuBr2

J. S. Zhang, Yiqi Xie, X. Q. Liu +16

Type-II multiferroic materials, in which ferroelectric polarization is induced by inversion non-symmetric magnetic order, promise new and highly efficient multifunctional applicati…

cond-mat.mtrl-sci2020

Novel Superstructure-Phase Two-Dimensional Material 1-VSe at High Pressure

Raimundas Sereika, Changyong Park, Curtis Kenney-Benson +11

A superstructure can elicit versatile new properties of materials by breaking their original geometrical symmetries. It is an important topic in the layered graphene-like two-dimen…

cs.IT2008

Asymptotic Bound on Binary Self-Orthogonal Codes

Yang Ding

We present two constructions for binary self-orthogonal codes. It turns out that our constructions yield a constructive bound on binary self-orthogonal codes. In particular, when t…

cond-mat.stat-mech2023

Universal Anomaly of Dynamics at Phase Transition Points Induced by Pancharatnam-Berry Phase

Jia-Yuan Zhang, Xia Yin, Ming-Yu liu +3

Recently, dynamical anomalies more than critical slowing down are often observed near both the continuous and first-order phase transition points. We propose that the universal ano…

cond-mat.supr-con2020

Hund-Heisenberg model in superconducting infinite-layer nickelates

Jun Chang, Jize Zhao, Yang Ding

We theoretically investigate the unconventional superconductivity in the newly discovered infinite-layer nickelates NdSrNiO based on a two-band model. By analyz…

physics.flu-dyn2017

Propulsion via flexible flapping in granular media

Zhiwei Peng, Yang Ding, Kyle Pietrzyk +2

Biological locomotion in nature is often achieved by the interaction between a flexible body and its surrounding medium. The interaction of a flexible body with granular media is l…

physics.flu-dyn2018

How fish power swimming: a 3D computational fluid dynamics study

Tingyu Ming, Bowen Jin, Jialei Song +3

In undulatory swimming of fish, muscles contract sequentially along the body to generate a bending wave that pushes against the water and produces thrust. Here, we use a 3D computa…

cs.CL2026

Safe, or Simply Incapable? Rethinking Safety Evaluation for Phone-Use Agents

Zhengyang Tang, Yi Zhang, Chenxin Li +18

When a phone-use agent avoids harm, does that show safety, or simply inability to act? Existing evaluations often cannot tell. A harmful outcome may be avoided because the agent re…

cond-mat.supr-con2025

Energy Dispersion, Superconductivity and Magnetic Fluctuations in Stacked Altermagnetism Materials

Jun Chang, Hantao Lu, Jize Zhao +2

Recently, altermagnetism (AM) has emerged as a new category of magnetism, alongside conventional antiferromagnetism (AFM) and ferromagnetism (FM). In an AM, superconductivity (SC)…

cond-mat.mes-hall2024

Resonant multiple-phonon absorption causes efficient anti-Stokes photoluminescence in CsPbBr nanocrystals

Zhuoming Zhang, Sushrut Ghonge, Yang Ding +5

Lead-halide perovskite nanocrystals such as CsPbBr, exhibit efficient photoluminescence (PL) up-conversion, also referred to as anti-Stokes photoluminescence (ASPL). This is a…

cond-mat.str-el2020

Anisotropic superexchange through nonmagnetic anions with spin-orbit coupling

Jun Chang, Jize Zhao, Yang Ding

Anisotropic superexchange interaction is one of the most important interactions in realizing exotic quantum magnetism, which is traditionally regarded to originate from magnetic io…

cond-mat.soft2020

Active suspensions of bacteria and passive objects: a model for the near field pair dynamics

Bokai Zhang, Yang Ding, Xinliang Xu

Near field hydrodynamic interactions are essential to determine many important emergent behaviors observed in active suspensions, but have not been successfully modeled so far. In…

cond-mat.supr-con2026

Pressure-enhanced superconductivity and its correlation with suppressed resistance dip in (La,Pr)3Ni2O7 films

Jinyu Zhao, Guangdi Zhou, Shu Cai +11

The discovery of superconductivity with a transition temperature (Tc) exceeding 40 K in La3Ni2O7 and (La,Pr)3Ni2O7 thin films at ambient pressure provides a viable platform for the…

cond-mat.soft2013

Geometric visualization of self-propulsion in a complex medium

Ross L. Hatton, Yang Ding, Howie Choset +1

Combining geometric mechanics theory, laboratory robotic experiment and numerical simulation, we study the locomotion in granular media (GM) of the simplest non-inertial swimmer, t…

physics.flu-dyn2014

Cilia beating patterns are not hydrodynamically optimal

Hanliang Guo, Janna Nawroth, Yang Ding +1

We examine the hydrodynamic performance of two cilia beating patterns reconstructed from experimental data. In their respective natural systems, the two beating patterns correspond…

cond-mat.supr-con2026

Shear-stress-constrained superconductivity in Ruddlesden-Popper nickelates

Liling Sun, Shu Cai, Jinyu Zhao +4

Ruddlesden-Popper nickelates exhibit superconductivity under pressure in bulk crystals and under epitaxial constraint in thin films, while remaining highly sensitive to sample qual…

cs.CV2025

NF-SLAM: Effective, Normalizing Flow-supported Neural Field representations for object-level visual SLAM in automotive applications

Li Cui, Yang Ding, Richard Hartley +3

We propose a novel, vision-only object-level SLAM framework for automotive applications representing 3D shapes by implicit signed distance functions. Our key innovation consists of…

cond-mat.soft2025

Omnidirectionally manipulated skyrmions in an orientationally chiral system

Jiahao Chen, Wentao Tang, Xingzhou Tang +7

Skyrmions, originally from condensed matter physics, have been widely explored in various physical systems, including soft matter. A crucial challenge in manipulating topological s…

cs.IT2026

Explicit Factorization of over : A Structural Approach via Dickson Polynomials

Yongchao Wang, Yang Ding, Jiansheng Yang +1

Let be an odd prime. The factorization of the polynomial over the integer residue ring is pivotal for constructing cyclic codes with Hermitian sy…

physics.flu-dyn2026

From Propulsion to Suction: Unraveling Thrust Reversal in Propellers at Intermediate Reynolds Numbers

Rong Fu, Siyu Li, Yang Ding

This study investigates propeller hydrodynamics at intermediate Reynolds numbers (Re), crucial for small-scale robotic systems but still uncharted. Experiments on a propeller-drive…

eess.IV2025

Robust Real-Time Endoscopic Stereo Matching under Fuzzy Tissue Boundaries

Yang Ding, Can Han, Sijia Du +2

Real-time acquisition of accurate scene depth is essential for automated robotic minimally invasive surgery. Stereo matching with binocular endoscopy can provide this depth informa…

cond-mat.supr-con2025

High Pressure Superconducting transition in Dihydride BiH with Bismuth Open-Channel Framework

Liang Ma, Xin Yang, Mei Li +13

Metal hydrides MHx with low hydrogen content are not expected to show high-Tc superconductivity owing to the low hydrogen-derived electronic density of states at Fermi level and th…

cs.IR2023

Model-enhanced Vector Index

Hailin Zhang, Yujing Wang, Qi Chen +16

Embedding-based retrieval methods construct vector indices to search for document representations that are most similar to the query representations. They are widely used in docume…

cond-mat.supr-con2026

Enhanced and robust superconductivity in La0.8Sr0.2NiO2 membranes compressed up to 210 GPa

Shu Cai, Yuqing Tian, Shengjun Yan +10

The discovery of superconductivity in infinite-layer nickelate thin films has opened a new frontier for exploring unconventional oxide superconductors beyond the copper oxide famil…

cs.DL2026

A Double Bind: Gendered Funding, Research Topics, and Academic Performance in the Social Sciences

Yang Ding, Ning Zhang, Helen Bao +17

While female representation in social sciences is increasing, systemic gender disparities may persist in research funding and academic performance. Some argue that female scholars…

cs.IT2014

On List-decodability of Random Rank Metric Codes

Yang Ding

In the present paper, we consider list decoding for both random rank metric codes and random linear rank metric codes. Firstly, we show that, for arbitrary and (

cond-mat.supr-con2026

Radio-Frequency Method for Detecting Superconductivity Under High Pressure

Dmitrii V. Semenok, Di Zhou, Jianbo Zhang +5

We introduce a contactless technique for probing superconductivity and magnetic ordering transitions in micron-sized samples under extreme pressure. Utilizing a multistage Lenz len…

cs.CL2026

PhoneWorld: Scaling Phone-Use Agent Environments

Zhengyang Tang, Yuxuan Liu, Xin Lai +21

A central bottleneck for phone-use agents is that controllable, reproducible environments covering real mobile behavior are hard to build at scale. Existing mobile-agent benchmarks…

physics.flu-dyn2018

Analysis of micro-fluidic tweezers in the Stokes regime

Longhua Zhao, Li Zhang, Yang Ding

Nanowire fluidic tweezers have been developed to gently and accurately capture, manipulate and deliver micro objects. The mechanism behind the capture and release process has not y…

cond-mat.str-el2013

A Novel High-Pressure Monoclinic Metallic Phase of V2O3

Yang Ding, Cheng-Chien Chen, Qiaoshi Zeng +11

Vanadium sesquioxide, V2O3, is a prototypical metal-to-insulator system where, in temperature-dependent studies, the transition always coincides with a corundum-to-monoclinic struc…

cs.CV2026

Vorch-IR: Long-Form Unified Multimodal Identity Replacement Video Generation

Yaole Wang, Xiaoyu Chen, Xin Ma +5

Video identity replacement seeks to transfer the identities of one or more subjects while preserving the motion, expressions, and temporal structure of a driving video. Existing me…

cs.DL2026

How Proposal Novelty, Topical Diversity, and Theory-Practice Balance Shape Scholarly Outcomes in Funded Education Research

Yunfeng Gao, Yuxuan Xiao, Jiaming Zhang +1

Education research occupies a distinctive position in public science because it is expected to advance scholarly knowledge while also informing learning, teaching, participation, a…

cond-mat.str-el2019

Lattice frustration in spin-orbit Mott insulator Sr3Ir2O7 at high pressure

Jianbo Zhang, Dayu Yan, Sorb Yesudhas +13

The intertwined charge, spin, orbital, and lattice degrees of freedom could endow 5d compounds with exotic properties. Current interest is focused on electromagnetic interactions i…

cs.CV2025

VideoZoomer: Reinforcement-Learned Temporal Focusing for Long Video Reasoning

Yang Ding, Yizhen Zhang, Xin Lai +2

Multimodal Large Language Models (MLLMs) have achieved remarkable progress in vision-language tasks yet remain limited in long video understanding due to the limited context window…

cond-mat.supr-con2024

Unveiling a Novel Metal-to-Metal Transition in LuH2: Critically Challenging Superconductivity Claims in Lutetium Hydrides

Dong Wang, Ningning Wang, Caoshun Zhang +15

Following the recent report by Dasenbrock-Gammon et al. (2023) of near-ambient superconductivity in nitrogen-doped lutetium trihydride (LuH3-δNε), significant debate has emerged…

cs.CL2026

PhoneBuddy: Training Open Models for Agentic Phone Use

Zhengyang Tang, Xin Lai, Pengyuan Lyu +23

Phones are becoming an important execution surface for general-purpose agents, but training open models for reliable phone use remains difficult because the environment that matter…

cs.LG2025

MISE: Meta-knowledge Inheritance for Social Media-Based Stressor Estimation

Xin Wang, Ling Feng, Huijun Zhang +6

Stress haunts people in modern society, which may cause severe health issues if left unattended. With social media becoming an integral part of daily life, leveraging social media…

cond-mat.str-el2022

Novel Valence Transition in Elemental Metal Europium around 80 GPa

Bijuan Chen, Mingfeng Tian, Jurong Zhang +20

Valence transition could induce structural, insulator-metal, nonmagnetic-magnetic and superconducting transitions in rare-earth metals and compounds, while the underlying physics r…

cs.IT2008

A Construction for Constant-Composition Codes

Yang Ding

By employing the residue polynomials, a construction of constant-composition codes is given. This construction generalizes the one proposed by Xing[16]. It turns out that when d=3…

physics.bio-ph2019

Towards a terramechanics for bio-inspired locomotion in granular environments

Chen Li, Yang Ding, Nick Gravish +6

Granular media (GM) present locomotor challenges for terrestrial and extraterrestrial devices because they can flow and solidify in response to localized intrusion of wheels, limbs…

cond-mat.str-el2018

Pressure-driven collapse of the relativistic electronic ground state in a honeycomb iridate

J. P. Clancy, H. Gretarsson, J. A. Sears +16

The electronic ground state in many iridate materials is described by a complex wave-function in which spin and orbital angular momenta are entangled due to relativistic spin-orbit…

physics.bio-ph2018

Transition and formation of the torque pattern of undulatory locomotion in resistive force dominated media

Tingyu Ming, Yang Ding

In undulatory locomotion, torques along the body are required to overcome external forces from the environment and bend the body. Using a resistive force theory model, we find that…

cs.CV2026

Vorch-Streamer: Extending Human Audio-Visual Generation to Real-Time Long-Form Streaming

Menglin Han, Yang Ding, Yulei Lu +6

Real-time long-form avatar audio-video generation requires causal, continuous synthesis while maintaining audiovisual synchronization and visual consistency. Adapting a pretrained…

physics.optics2024

Experimental minimum of condensed-phase optical refrigeration

Zhuoming Zhang, Yang Ding, Peter J. Pauzauskie +3

Since the first demonstration of optical refrigeration in a rare-earth-doped glass nearly 30 years ago, the nascent field of laser cooling solids has progressed significantly. It i…

cond-mat.str-el2016

Pressure-Induced Confined Metal from the Mott Insulator Sr3Ir2O7

Yang Ding, Liuxiang Yang, Cheng-Chien Chen +12

The spin-orbit Mott insulator Sr3Ir2O7 provides a fascinating playground to explore insulator-metal transition driven by intertwined charge, spin, and lattice degrees of freedom. H…

cond-mat.supr-con2021

Future Study of Dense Superconducting Hydrides at High Pressure

Dong Wang, Yang Ding, Ho-Kwang Mao

The discovery of a record high superconducting transition temperature (Tc) of 288 K in a pressurized hydride inspires new hope to realize ambient condition superconductivity. Here,…

cs.CL2026

PhoneHarness: Harnessing Phone-Use Agents through Mixed GUI, CLI, and Tool Actions

Chenxin Li, Zhengyao Fang, Zhengyang Tang +18

Phone agents are increasingly expected to complete real mobile workflows rather than merely predict the next screen action. However, much of the current mobile-agent literature sti…

cond-mat.supr-con2025

Signatures of a Lifshitz transition in pressurized electron-doped cuprate

Jinyu Zhao, Shu Cai, Zhaoyu Liu +14

It is well known that the electronic structure of hole-doped cuprate superconductors is tunable through both chemical doping and external pressure, which frequently offer us new in…

cond-mat.mtrl-sci2019

Anomalous behavior of the quasi-one-dimensional quantum material NaOsO at high pressure

Raimundas Sereika, Kazunari Yamaura, Yating Jia +10

NaOsO is an unusual quantum material that, in contrast to the common 5 oxides with spins = 1, owns a magnetically silent ground state with spin = 0 and a band…

cond-mat.supr-con2026

Pressure Induced 18 K Superconductivity and Two Superconducting Phases in CuIr2S4

Bijuan Chen, Yuhao Gu, Dong Wang +20

We report pressure-induced superconductivity in the spinel CuIrS with a transition temperature () reaching \textbf{18.2 K}, establishing a new record for…

cs.DL2025

Political Hegemony, Imitation Isomorphism, and Project Familiarity: Instrumental Variables to Understand Funding Impact on Scholar Performance

Yang Ding, Yi Bu

This paper contributes a new idea for exploring research funding effects on scholar performance. By collecting details of 9,501 research grants received by principal investigators…

cs.CV2026

Vorch-Omni: Multi-Task Orchestration of Sight and Sound

Vorch Team, Xiaoyu Chen, Yang Ding +25

Recent advances in generative video modeling have enabled diverse generation, reference-based synthesis, extension, and editing, but existing approaches often rely on fragmented ta…

cond-mat.supr-con2025

Investigations of key issues on the reproducibility of high-Tc superconductivity emerging from compressed La3Ni2O7

Yazhou Zhou, Jing Guo, Shu Cai +11

Recently, the signatures of superconductivity near 80 K have been discovered in the single crystal of La3Ni2O7 under pressure, which makes it a new candidate of the high-temperatur…

cond-mat.str-el2024

A novel method for determining the resistivity of compressed superconducting materials

Liling Sun, Qi Wu, Shu Cai +2

The resistivity of a superconductor in its normal state plays a critical role in determining its superconducting ground state. However, measuring the resistivity of a material unde…

cond-mat.supr-con2024

Pressure-induced superconductivity in a novel germanium allotrope

Liangzi Deng, Jianbo Zhang, Yuki Sakai +10

High-pressure studies on elements play an essential role in superconductivity research, with implications for both fundamental science and applications. Here we report the experime…

cs.CV2022

MuKEA: Multimodal Knowledge Extraction and Accumulation for Knowledge-based Visual Question Answering

Yang Ding, Jing Yu, Bang Liu +3

Knowledge-based visual question answering requires the ability of associating external knowledge for open-ended cross-modal scene understanding. One limitation of existing solution…

cs.LG2024

Long Range Switching Time Series Prediction via State Space Model

Jiaming Zhang, Yang Ding, Yunfeng Gao

In this study, we delve into the Structured State Space Model (S4), Change Point Detection methodologies, and the Switching Non-linear Dynamics System (SNLDS). Our central proposit…

cs.CL2026

MERaLiON-GR: Speech Gender Recognition Model for English and SEA Languages

Qiongqiong Wang, Ai Ti Aw, Nancy F. Chen +18

We present MERaLiON-GR, a speech gender recognition system that performs binary classification (female / male) on English and Southeast Asian (SEA) languages. The model finetunes M…

physics.bio-ph2013

Emergence of the advancing neuromechanical phase in a resistive force dominated medium

Yang Ding, Sarah S. Sharpe, Kurt Wiesenfeld +1

Undulatory locomotion, a gait in which thrust is produced in the opposite direction of a traveling wave of body bending, is a common mode of propulsion used by animals in fluids, o…

cs.CV2026

Vorch-Director: Interactive World Story Model via Noise-Aware Error Rectification

Lisai Zhang, Yidi Wu, Qi Liu +7

Autoregressive continuation provides a natural path toward minute-scale audio-visual generation by repeatedly extending a short-window generator conditioned on previously generated…

cond-mat.mtrl-sci2021

Crystal and Electronic Structure of GaTaSe From First-Principle Calculations

Shuai Zhang, Tiantian Zhang, Hongshan Deng +3

GaTaSe belongs to the lacunar spinel family. Its crystal structures is still a puzzle though there have been intensive studies on its novel properties, such as the Mott ins…

cond-mat.supr-con2020

Origin of superconductivity and giant phonon softening in TlInTe under pressure

Sorb Yesudhas, N. Yedukondalu, Manoj K. Jana +12

Analogous to 2D layered transition metal dichalcogenides, the TlSe family of 1D chain materials with Zintl-type structure exhibits exotic phenomena under high-pressure. In the pres…

cond-mat.supr-con2023

The near room-temperature upsurge of electrical resistivity in Lu-H-N is not superconductivity, but a metal-to-poor-conductor transition

Di Peng, Qiaoshi Zeng, Fujun Lan +3

Since the discovery of superconductivity in mercury at 4 K in 1911, searching for materials with superconductivity at higher temperatures towards practical conditions has been a pr…

physics.flu-dyn2013

Mixing and transport by ciliary carpets: a numerical study

Yang Ding, Janna Nawroth, Margaret McFall-Ngai +1

We use a 3D computational model to study the fluid transport and mixing due to the beating of an infinite array of cilia. In accord with recent experiments, we observe two distinct…

cond-mat.supr-con2025

Direct Observation of d-Wave Superconducting Gap Symmetry in Pressurized La3Ni2O7-delta Single Crystals

Zi-Yu Cao, Di Peng, Seokmin Choi +21

The recent discovery of superconductivity in pressure-stabilized bulk La3Ni2O7-delta, with a critical temperature (Tc) exceeding 77 K, has opened a new frontier in high-temperature…

cs.CL2021

Addressing the Vulnerability of NMT in Input Perturbations

Weiwen Xu, Ai Ti Aw, Yang Ding +2

Neural Machine Translation (NMT) has achieved significant breakthrough in performance but is known to suffer vulnerability to input perturbations. As real input noise is difficult…

cond-mat.supr-con2023

Robust magnetism against pressure in non-superconducting samples prepared from lutetium foil and H2/N2 gas mixture

Jing Guo, Shu Cai, Dong Wang +15

Recently, the claim of "near-ambient superconductivity" in a N-doped lutetium hydride attracted enormous following-up investigations in the community of condensed matter physics an…

cs.CV2025

PeRL: Permutation-Enhanced Reinforcement Learning for Interleaved Vision-Language Reasoning

Yizhen Zhang, Yang Ding, Shuoshuo Zhang +9

Inspired by the impressive reasoning capabilities demonstrated by reinforcement learning approaches like DeepSeek-R1, recent emerging research has begun exploring the use of reinfo…

nlin.AO2016

Wavy membranes and the growth rate of a planar chemical garden: Enhanced diffusion and bioenergetics

Yang Ding, Bruno Batista, Oliver Steinbock +2

In order to model ion transport across protocell membranes in Hadean hydrothermal vents, we consider both theoretically and experimentally the planar growth of a precipitate membra…

cs.CV2026

HyMobileAgent: Data-Environment Co-Scaling for Efficient GUI Agents

Hy Vision Team, Huawen Shen, Zhengyang Tang +20

The paper introduces HyMobileAgent, a vision-native mobile GUI agent that combines large multimodal models with a co-scaling framework for data and environments to enable precise p…

#mobile gui agents#multimodal models#data scaling#environment simulation
physics.optics2025

Polar solitons in a nonpolar chiral soft matter system

Jiahao Chen, Xingzhou Tang, Yang Ding +4

Polar solitons, i.e., solitonic waves accompanying asymmetry of geometry or phase, have garnered attention in polar systems, such as ferroelectric or magnetoelectric materials, whe…

cs.CV2023

Towards Fast and Accurate Image-Text Retrieval with Self-Supervised Fine-Grained Alignment

Jiamin Zhuang, Jing Yu, Yang Ding +2

Image-text retrieval requires the system to bridge the heterogenous gap between vision and language for accurate retrieval while keeping the network lightweight-enough for efficien…

cond-mat.supr-con2025

Superconducting susceptibility signal captured in a record wide pressure range

Shu Cai, Jinyu Zhao, Di Peng +11

In recent years, the resistance signature of the high temperature superconductivity above 250 K in highly compressed hydrides (more than 100 GPa) has garnered significant attention…