papers

Publications (90)

cond-mat.mtrl-sci2026

Unusually high phonon thermal conductivity in the Weyl semimetal TaP: A comparative study with TaAs

Xianyong Ding, Xin Jin, Dengfeng Li +5

In many metals, thermal transport is often dominated by electrons, although the lattice contribution can remain appreciable depending on the material. Here, through rigorous first-…

physics.flu-dyn2022

A machine learning based method to generate random packed isotropic porous media with desired porosity and permeability

Jianhui Li, Tingting Tang, Shimin Yu +1

Porous materials are used in many fields, including energy industry, agriculture, medical industry, etc. The generation of digital porous media facilitates the fabrication of real…

cs.RO2026

Shape-Interpretable Visual Self-Modeling Enables Geometry-Aware Continuum Robot Control

Peng Yu, Xin Wang, Ning Tan

Continuum robots possess high flexibility and redundancy, making them well suited for safe interaction in complex environments, yet their continuous deformation and nonlinear dynam…

cond-mat.mtrl-sci2016

Large-area and high-quality 2D transition metal telluride

Jiadong Zhou, Fucai Liu, Junhao Lin +24

Atomically thin transitional metal ditellurides like WTe2 and MoTe2 have triggered tremendous research interests because of their intrinsic nontrivial band structure. They are also…

cond-mat.mtrl-sci2025

Anharmonicity-driven phonon avoided crossing and anomalous thermal transport in nodal-line semimetal ZrSiS

Xin Jin, Qingqing Zhang, Dengfeng Li +8

Understanding thermal and electrical transport in topological materials is essential for advancing their applications in quantum technologies and energy conversion. Herein, we empl…

cs.CL2024

LTNER: Large Language Model Tagging for Named Entity Recognition with Contextualized Entity Marking

Faren Yan, Peng Yu, Xin Chen

The use of LLMs for natural language processing has become a popular trend in the past two years, driven by their formidable capacity for context comprehension and learning, which…

physics.flu-dyn2021

Marangoni Convection-Driven Laser Fountains and Waves on Free Surfaces of Liquids

Feng Lin, Aamir Nasir Quraishy, Tian Tong +18

It is well accepted that an outward Marangoni convection from a low surface tension region will make the surface depressed. Here, we report that this established perception is only…

math.NT2018

The lambda invariants at CM points

Tonghai Yang, Hongbo Yin, Peng Yu

In the paper, we show that , and are all Borcherds products in . We then use the big CM value formula of Bruinier, Kudla,…

cs.CV2026

TeleBoost: A Systematic Alignment Framework for High-Fidelity, Controllable, and Robust Video Generation

Yuanzhi Liang, Xuan'er Wu, Yirui Liu +12

Post-training is the decisive step for converting a pretrained video generator into a production-oriented model that is instruction-following, controllable, and robust over long te…

cond-mat.mes-hall2022

Magneto-anisotropic weak antilocalization in near-surface quantum wells

S. M. Farzaneh, Mehdi Hatefipour, William F. Schiela +6

We investigate the effects of an in-plane magnetic field on the weak antilocalization signature of near-surface quantum wells lacking bulk and inversion symmetry. The measured magn…

physics.optics2025

Nonlinear Chiroptical Effect in Refractory Plasmonic Molybdenum Metasurface: Chiral Saturated Absorption and Chiral Reverse Saturable Absorption

Peng Yu, Tianji Liu, Yuxuan Zhu +7

The absorptive chiral metasurface shows evidence of giant nonlinear chiroptical effects, including chiral third harmonic generation, chiral saturated absorption, and chiral reverse…

physics.chem-ph2015

Controlled Synthesis of Organic/Inorganic van der Waals Solid for Tunable Light-matter Interactions

Lin Niu, Xinfeng Liu, Chunxiao Cong +22

Van der Waals (vdW) solids, as a new type of artificial materials that consist of alternating layers bonded by weak interactions, have shed light on fascinating optoelectronic devi…

cs.AI2023

Leveraging Large Language Model for Automatic Evolving of Industrial Data-Centric R&D Cycle

Xu Yang, Xiao Yang, Weiqing Liu +4

In the wake of relentless digital transformation, data-driven solutions are emerging as powerful tools to address multifarious industrial tasks such as forecasting, anomaly detecti…

cond-mat.mtrl-sci2024

Strain-tunable Dirac semimetal phase transition and emergent superconductivity in a borophane

Chengyong Zhong, Xuelian Li, Peng Yu

A two-dimensional (2D) Dirac semimetal with concomitant superconductivity has been long sought but rarely reported. It is believed that light-element materials have the potential t…

math.NT2019

CM Values of Green Functions Associated to Special Cycles on Shimura Varieties with Applications to Siegel 3-Fold

Peng Yu

We generalize the definition of CM cycles beyond the small and big CM ones studied by various authors and give a uniform formula for the CM values of Green functions associated to…

cs.LG2018

Negative Log Likelihood Ratio Loss for Deep Neural Network Classification

Donglai Zhu, Hengshuai Yao, Bei Jiang +1

In deep neural network, the cross-entropy loss function is commonly used for classification. Minimizing cross-entropy is equivalent to maximizing likelihood under assumptions of un…

cs.AI2016

Time Resource Networks

Szymon Sidor, Peng Yu, Cheng Fang +1

The problem of scheduling under resource constraints is widely applicable. One prominent example is power management, in which we have a limited continuous supply of power but must…

cs.GR2025

MGPBD: A Multigrid Accelerated Global XPBD Solver

Chunlei Li, Peng Yu, Tiantian Liu +6

We introduce a novel Unsmoothed Aggregation (UA) Algebraic Multigrid (AMG) method combined with Preconditioned Conjugate Gradient (PCG) to overcome the limitations of Extended Posi…

cond-mat.supr-con2026

Towards Scalable Braiding: Topological Superconductivity Unlocked under Arbitrary Magnetic Field Directions in Curved Planar Josephson Junctions

Richang Huang, Yongliang Hu, Xianzhang Chen +4

The non-Abelian statistics of Majorana zero modes (MZMs) are central to fault-tolerant topological quantum computing. Planar Josephson junctions provide a particularly versatile pl…

cs.LG2023

Linear TreeShap

Peng Yu, Chao Xu, Albert Bifet +1

Decision trees are well-known due to their ease of interpretability. To improve accuracy, we need to grow deep trees or ensembles of trees. These are hard to interpret, offsetting…

physics.flu-dyn2022

The reconstructed thermal lattice Boltzmann flux solver and its applications for simulations of thermal flows

Jinhua Lu, Chuanshan Dai, Peng Yu

The thermal lattice Boltzmann flux solver (TLBFS) has been proposed to overcome the drawbacks of the thermal lattice Boltzmann models. However, as a weakly compressible model, its…

physics.flu-dyn2024

Vortex shedding and heat transfer from a heated circular cylinder in Bingham plastic fluids

Sai Peng, Xiang Li, Li Yu +2

The present study numerically investigates the vortex shedding and heat transfer characteristics of a heated circular cylinder immersed in Bingham plastic fluids.The effects of thr…

cond-mat.mtrl-sci2016

Topological Weyl phase transition in MoWTe

Ilya Belopolski, Daniel S. Sanchez, Yukiaki Ishida +21

Topological phases of matter exhibit phase transitions between distinct topological classes. These phase transitions are exotic in that they do not fall within the traditional Ginz…

cs.CL2026

STEM: Structure-Tracing Evidence Mining for Knowledge Graphs-Driven Retrieval-Augmented Generation

Peng Yu, En Xu, Bin Chen +2

Knowledge Graph-based Question Answering (KGQA) plays a pivotal role in complex reasoning tasks but remains constrained by two persistent challenges: the structural heterogeneity o…

cs.GR2025

PC-NCLaws: Physics-Embedded Conditional Neural Constitutive Laws for Elastoplastic Materials

Xueguang Xie, Shu Yan, Shiwen Jia +4

While data-driven methods offer significant promise for modeling complex materials, they often face challenges in generalizing across diverse physical scenarios and maintaining phy…

cond-mat.mes-hall2024

Hot electrons and electromagnetic effects in the broadband Au, Ag, and Ag-Au nanocrystals: The UV, visible, and NIR plasmons

Alina Muravitskaya, Artur Movsesyan, Oscar Avalos-Ovando +8

Energetic and optical properties of plasmonic nanocrystals strongly depend on their sizes, shapes, and composition. Whereas using plasmonic nanoparticles in biotesting has become r…

cs.LG2026

Spatiotemporal Graph Transformer for Traffic Intelligence in Edge Computing

Laha Ale, Letian Lin, Na Cao +2

Accurate traffic forecasting is essential for proactive resource management in edge computing, where service demand evolves dynamically across both space and time. In practical cel…

cond-mat.mtrl-sci2020

Room temperature nonlinear Hall effect and wireless RF rectification in Weyl semimetal TaIrTe4

Dushyant Kumar, Chuang-Han Hsu, Raghav Sharma +6

The nonlinear Hall effect (NLHE), which can produce a transverse voltage without any magnetic field, is a potential alternative for rectification or frequency doubling. However, th…

physics.flu-dyn2024

Simulation of flow induced vibration of a cylinder in an expansion tube

Sai Peng, Qiyu Deng, Lin Zhou +2

In this study, a series of simulations are conducted to investigate the motion of a small cylinder in an expansion tube, focusing on two-dimensional dynamics. These simulations are…

cs.IR2024

Towards a Unified Paradigm: Integrating Recommendation Systems as a New Language in Large Models

Kai Zheng, Qingfeng Sun, Can Xu +2

This paper explores the use of Large Language Models (LLMs) for sequential recommendation, which predicts users' future interactions based on their past behavior. We introduce a ne…

cond-mat.mes-hall2024

Orbital anomalous Hall effect in the few-layer Weyl semimetal TaIrTe4

An-Qi Wang, Dong Li, Tong-Yang Zhao +7

We report on the observation of the linear anomalous Hall effect (AHE) in the nonmagnetic Weyl semimetal TaIrTe4. This is achieved by applying a direct current Idc and an alternati…

cond-mat.mes-hall2016

Measuring Chern numbers above the Fermi level in the Type II Weyl semimetal MoWTe

Ilya Belopolski, Su-Yang Xu, Yukiaki Ishida +30

It has recently been proposed that electronic band structures in crystals give rise to a previously overlooked type of Weyl fermion, which violates Lorentz invariance and, conseque…

math.NA2018

Isogeometric analysis with local adaptivity based on a posterior error estimation for elastodynamics

Peng Yu, Cosmin Anitescu, Satyendra Tomar +2

This paper presents a novel methodology of local adaptivity for the frequency-domain analysis of the vibrations of Reissner-Mindlin plates. The adaptive discretization is based on…

cond-mat.mtrl-sci2025

Gyrotropic Magnetic Effect in Black Phosphorus Irradiated with Bicircular Light

Fangyang Zhan, Xin Jin, Da-Shuai Ma +4

The gyrotropic magnetic effect (GME), which emerges as the low-frequency limit of natural gyrotopy, is a fundamental property of Bloch electrons on the Fermi surface in materials l…

cond-mat.mes-hall2019

Stacking-Dependent Interlayer Phonons in 3R and 2H MoS

Jeremiah van Baren, Gaihua Ye, Jia-An Yan +6

We have investigated the interlayer shear and breathing phonon modes in MoS with pure 3R and 2H stacking order by using polarization-dependent ultralow-frequency Raman spectr…

physics.flu-dyn2022

Shear-induced droplet mobility within porous surfaces

Si Suo, Haibo Zhao, Shervin Bagheri +2

Droplet mobility under shear flows is important in a wide range of engineering applications, e.g., fog collection, and self-cleaning surfaces. For structured surfaces to achieve su…

cond-mat.mes-hall2016

Experimental Phase Diagram of a One-Dimensional Topological Superconductor

Jun Chen, Peng Yu, John Stenger +6

Topological superconductors can host Majorana quasiparticles which supersede the fermion/boson dichotomy and offer a pathway to fault tolerant quantum computation. In one-dimension…

cond-mat.mtrl-sci2015

Unoccupied electronic structure and signatures of topological Fermi arcs in the Weyl semimetal candidate MoWTe

Ilya Belopolski, Su-Yang Xu, Yukiaki Ishida +30

Weyl semimetals have sparked intense research interest, but experimental work has been limited to the TaAs family of compounds. Recently, a number of theoretical works have predict…

cond-mat.mes-hall2024

Progress in superconductor-semiconductor topological Josephson junctions

William F. Schiela, Peng Yu, Javad Shabani

Majorana bound states (MBSs) are quasiparticles which are their own antiparticles. They are predicted to emerge as zero-energy modes localized at the boundary of a topological supe…

cs.AI2025

DinoCompanion: An Attachment-Theory Informed Multimodal Robot for Emotionally Responsive Child-AI Interaction

Boyang Wang, Yuhao Song, Jinyuan Cao +3

Children's emotional development fundamentally relies on secure attachment relationships, yet current AI companions lack the theoretical foundation to provide developmentally appro…

cs.AI2026

Not All Turns Matter: Credit Assignment for Multi-Turn Jailbreaking

Zhida He, Xiaoyu Wen, Han Qi +7

Deploying LLMs in multi-turn dialogues facilitates jailbreak attacks that distribute harmful intent across seemingly benign turns. Recent training-based multi-turn jailbreak method…

cs.CV2026

Tele-Omni: a Unified Multimodal Framework for Video Generation and Editing

Jialun Liu, Tian Li, Xiao Cao +20

Recent advances in diffusion-based video generation have substantially improved visual fidelity and temporal coherence. However, most existing approaches remain task-specific and r…

quant-ph2022

Superconducting resonators with voltage-controlled frequency and nonlinearity

William M. Strickland, Bassel Heiba Elfeky, Joseph O'Connell Yuan +6

Voltage-tunable superconductor-semiconductor devices offer a unique platform to realize dynamic tunability in superconducting quantum circuits. By galvanically connecting a gated I…

physics.comp-ph2024

Strain-driven phonon topological phase transition impedes thermal transport in titanium monoxide

Xin Jin, Da-shuai Ma, Peng Yu +4

Topological phonon states in crystalline materials have attracted significant research interests due to their importance for fundamental physical phenomena, yet their implication o…

cs.CL2025

A Novel Evaluation Benchmark for Medical LLMs: Illuminating Safety and Effectiveness in Clinical Domains

Shirui Wang, Zhihui Tang, Huaxia Yang +35

Large language models (LLMs) hold promise in clinical decision support but face major challenges in safety evaluation and effectiveness validation. We developed the Clinical Safety…

cond-mat.mes-hall2025

Gate tunable enhancement of supercurrent in hybrid planar Josephson junctions

Peng Yu, Han Fu, William F. Schiela +6

Planar Josephson junctions (JJs) have emerged as a promising platform for the realization of topological superconductivity and Majorana zero modes. To obtain robust quasi one-dimen…

cs.CL2025

QZhou-Embedding Technical Report

Peng Yu, En Xu, Bin Chen +2

We present QZhou-Embedding, a general-purpose contextual text embedding model with exceptional text representation capabilities. Built upon the Qwen2.5-7B-Instruct foundation model…

physics.flu-dyn2022

Comparison of three numerical stabilization techniques of viscoelastic flows: vortex shedding behind a confined cylinder

Sai Peng, Peng Yu

In this study, the OpenFOAM platform, based on the finite volume method, is applied to investigate the two-dimensional viscoelastic flow past a circular cylinder. The FENE-P model,…

cond-mat.mes-hall2024

Superconducting Diode Effect Sign Change in Epitaxial Al-InAs Josepshon Junctions

Neda Lotfizadeh, William F. Schiela, Barış Pekerten +5

There has recently been a surge of interest in studying the superconducting diode effect (SDE) partly due to the possibility of uncovering the intrinsic properties of a material sy…

physics.comp-ph2024

Anomalous thermal transport and high thermoelectric performance of Cu-based vanadate CuVO3

Xin Jin, Qiling Ou, Haoran Wei +6

Thermoelectric (TE) conversion technology, capable of transforming heat into electricity, is critical for sustainable energy solutions. Many promising TE materials contain rare or…

math.NA2023

Efficient Bayesian inference using physics-informed invertible neural networks for inverse problems

Xiaofei Guan, Xintong Wang, Hao Wu +2

In this paper, we introduce an innovative approach for addressing Bayesian inverse problems through the utilization of physics-informed invertible neural networks (PI-INN). The PI-…

cond-mat.mes-hall2025

Enhanced superconducting diode effect in hybrid Josephson junctions

Peng Yu, Han Fu, William F. Schiela +7

The superconducting diode effect (SDE) has recently been observed in various systems, sparking interest in novel superconducting devices and offering a new platform to probe intrin…

physics.flu-dyn2022

Wall-induced translation of a rotating particle in viscoelastic fluid

Sai Peng, Peng Yu

Shear-thinning and viscoelasticity are two non-Newtonian fluid properties widely existing in biological fluids. In this study, we found that the translation motion of a rotating pa…

cs.IR2025

Large Language Model Can Be a Foundation for Hidden Rationale-Based Retrieval

Luo Ji, Feixiang Guo, Teng Chen +9

Despite the recent advancement in Retrieval-Augmented Generation (RAG) systems, most retrieval methodologies are often developed for factual retrieval, which assumes query and posi…

physics.flu-dyn2025

Aerodynamic consequences of wing damage in dragonflies

Peng Yu, Ramiro Godoy-Diana, Benjamin Thiria +2

Flapping wings are the primary means by which dragonflies generate forces, but they are susceptible to damage due to their inherent fragility. The damage results in a reduction in…

cs.CL2026

An Early Warning of Emerging Biosecurity Risks in Frontier LLMs

Zhida He, Xia Hu, Baichen Le +20

Frontier large language models (LLMs) are increasingly integrated into scientific workflows, yet their growing biological capabilities may outpace current safeguards. To assess the…

cs.RO2025

Learning High-Fidelity Robot Self-Model with Articulated 3D Gaussian Splatting

Kejun Hu, Peng Yu, Ning Tan

Self-modeling enables robots to build task-agnostic models of their morphology and kinematics based on data that can be automatically collected, with minimal human intervention and…

cs.LG2025

Binary Split Categorical feature with Mean Absolute Error Criteria in CART

Peng Yu, Yike Chen, Chao Xu +2

In the context of the Classification and Regression Trees (CART) algorithm, the efficient splitting of categorical features using standard criteria like GINI and Entropy is well-es…

hep-th2025

Shape-invariant Potentials and Singular Spaces

Peng Yu, Yuan Zhong, Ziqi Wang +2

In this work, we present two brane-world-type solutions in a two-dimensional (2D) dilaton gravity model with singular space-time backgrounds. By employing a first-order superpotent…

physics.plasm-ph2022

Nonthermal Atmospheric Plasma Reactors for Hydrogen Production from Low-Density Polyethylene

Benard Tabu, Kevin Akers, Peng Yu +6

Hydrogen is largely produced via natural gas reforming or electrochemical water-splitting, leaving organic solid feedstocks under-utilized. Plasma technology powered by renewable e…

cs.IR2019

On a scalable problem transformation method for multi-label learning

Dora Jambor, Peng Yu

Binary relevance is a simple approach to solve multi-label learning problems where an independent binary classifier is built per each label. A common challenge with this in real-wo…

cond-mat.mtrl-sci2018

Anisotropic Thermal Transport in Phase-Transition Layered 2D Alloys WSe2(1-x)Te2x

Xin Qian, Puqing Jiang, Peng Yu +3

Transition metal dichalcogenide (TMD) alloys have attracted great interests in recent years due to their tunable electronic properties, especially the semiconductor-metal phase tra…

quant-ph2024

Characterizing losses in InAs two-dimensional electron gas-based gatemon qubits

William M. Strickland, Lukas J. Baker, Jaewoo Lee +9

The tunnelling of cooper pairs across a Josephson junction (JJ) allow for the nonlinear inductance necessary to construct superconducting qubits, amplifiers, and various other quan…

physics.flu-dyn2022

Subcritical insability of viscoelastic flow over a circular cylinder: A numerical study

Sai Peng, Jia-yu Li, Xin-hui Si +2

In this paper, we discuss whether the instability of viscoelastic flow around a circular cylinder is subcritical or supercritical by numerical simulation. The Oldroyd-B model is se…

cond-mat.mes-hall2024

Ubiquitous non-Majorana Zero-Bias Conductance Peaks in Nanowire Devices

Jun Chen, Benjamin Woods, Peng Yu +6

We perform tunneling measurements on indium antimonide nanowire/superconductor hybrid devices fabricated for the studies of Majorana bound states. At finite magnetic field, resonan…

physics.flu-dyn2023

A Generalized Density Dissipation for Weakly-compressible SPH

Bo Xue Zheng, Zhi Wen Cai, Pei Dong Zhao +3

The weakly compressible Smoothed Particle Hydrodynamics (SPH) is known to suffer from the pressure oscillation, which would undermine the simulation stability and accuracy. To addr…

cs.LG2026

Quadrature-TreeSHAP: Depth-Independent TreeSHAP and Shapley Interactions

Ron Wettenstein, Rory Mitchell, Peng Yu

Shapley values are a standard tool for explaining predictions of tree ensembles, with Path-Dependent SHAP being the most widely used variant. Despite substantial progress, existing…

cond-mat.mes-hall2021

Local Control of Supercurrent Density in Epitaxial Planar Josephson Junctions

Bassel H. Elfeky, Neda Lotfizadeh, William F. Schiela +9

The critical current response to an applied out-of-plane magnetic field in a Josephson junction provides insight into the uniformity of its current distribution. In Josephson junct…

cs.IR2025

GORACS: Group-level Optimal Transport-guided Coreset Selection for LLM-based Recommender Systems

Tiehua Mei, Hengrui Chen, Peng Yu +2

Although large language models (LLMs) have shown great potential in recommender systems, the prohibitive computational costs for fine-tuning LLMs on entire datasets hinder their su…

cs.CR2025

Anti-counterfeiting tags with camouflaged QR codes on nanocavities, using polymer-dispersed-liquid-crystals

Giuseppe Nicoletta, Mauro Daniel Luigi Bruno, Peng Yu +4

Counterfeiting poses an evergrowing challenge, driving the need for innovative and sophisticated anti-counterfeiting strategies and technologies. Many solutions focus on tags chara…

cs.CL2026

KaLM: Knowledge-aligned Autoregressive Language Modeling via Dual-view Knowledge Graph Contrastive Learning

Peng Yu, Cheng Deng, Beiya Dai +2

Autoregressive large language models (LLMs) pre-trained by next token prediction are inherently proficient in generative tasks. However, their performance on knowledge-driven tasks…

gr-qc2026

First Law for Nonsingular Black Holes in 2D Dilaton Gravity

Peng Yu, Yuan Zhong

A central issue in the thermodynamics of nonsingular black holes is the apparent violation of the first law. In this work, we use 2D dilaton gravity as a simple theoretical setting…

stat.ME2020

Bayes Optimal Informer Sets for Early-Stage Drug Discovery

Peng Yu, Spencer S. Ericksen, Anthony Gitter +1

An important experimental design problem in early-stage drug discovery is how to prioritize available compounds for testing when very little is known about the target protein. Info…

cond-mat.mtrl-sci2021

Electrically Switchable van der Waals Magnon Valves

Guangyi Chen, Shaomian Qi, Jianqiao Liu +14

Van der Waals magnets have emerged as a fertile ground for the exploration of highly tunable spin physics and spin-related technology. Two-dimensional (2D) magnons in van der Waals…

physics.flu-dyn2022

Numerical Study of Viscoelastic Upstream Instability

Sai Peng, Tingting Tang, Jianhui Li +2

In this work, we report numerical results on the flow instability and bifurcation of a viscoelastic fluid in the upstream region of a confined cylinder in a narrow channel. Two-dim…

cs.DC2026

Arachne: Orchestrating Cascades for Efficient Text-to-Video Model Training

Peng Yu, Yuankai Fan, Yang Qiu +4

The rising demand for AI-generated videos is fueled by advances in large-scale Text-to-Video (T2V) models, trained on extensive datasets of video clips spanning diverse resolutions…

cs.CL2026

Structured In-context Environment Scaling for Large Language Model Reasoning

Peng Yu, Zeyuan Zhao, Shao Zhang +3

Large language models (LLMs) have achieved significant advancements in reasoning capabilities through reinforcement learning (RL) via environmental exploration. As the intrinsic pr…

physics.optics2025

Anisotropic Hot Carrier Relaxation and Coherent Phonon Dynamics in Type-II Weyl Semimetal TaIrTe4

Zheng Zhu, Jingwen Wang, Hao Yu +5

The unique energy band and crystal structure of the layered type-II Weyl semimetal TaIrTe4 hold great promise for high-performance broadband anisotropic optoelectronic devices. The…

cond-mat.supr-con2022

The study of contact properties in edge-contacted graphene-aluminum Josephson junctions

Zhujun Huang, Neda Lotfizadeh, Bassel H. Elfeky +8

Transparent contact interfaces in superconductor-graphene hybrid systems are critical for realizing superconducting quantum applications. Here, we examine the effect of the edge-co…

cond-mat.mtrl-sci2018

Spatially dispersive circular photogalvanic effect in a Weyl semimetal

Zhurun Ji, Gerui Liu, Zachariah Addison +8

Weyl semimetals are gapless topological states of matter with broken inversion and/or time reversal symmetry, which can support unconventional responses to externally applied elect…

cond-mat.mes-hall2025

Room-temperature intrinsic nonlinear planar Hall effect in TaIrTe

Chang Jiang, Fan Yang, Jinshan Yang +12

Intrinsic responses are of paramount importance in physics research, as they represent the inherent properties of materials, independent of extrinsic factors that vary from sample…

physics.optics2019

Broadband mid-infrared perfect absorber using fractal Gosper curve

Jihua Zou, Peng Yu, Wenhao Wang +10

Designing broadband metamaterial perfect absorbers is challenging due to the intrinsically narrow bandwidth of surface plasmon resonances. Here, the paper reports an ultra-broadban…

cond-mat.mes-hall2019

Band Structure Engineering of Interfacial Semiconductors Based on Atomically Thin Lead Iodide Crystals

Yan Sun, Zhen Huang, Zishu Zhou +20

To explore new constituents in two-dimensional materials and to combine their best in van der Waals heterostructures, are in great demand as being unique platform to discover new p…

cond-mat.mes-hall2024

Room-temperature van der Waals magnetoresistive memories with data writing by orbital current in the Weyl semimetal TaIrTe4

Dong Li, Xing-Yu Liu, Zhen-Cun Pan +4

Current-induced out of plane magnetization has been utilized for field-free switching of ferromagnets with perpendicular magnetic anisotropy. Identifying systems capable of energy-…

physics.flu-dyn2022

Wake asymmetry weakening in viscoelastic fluids: Numerical discovery and mechanism exploration

Sai Peng, Tao Huang, Taiba Kouser +3

Viscoelasticity weakens the asymmetry of laminar shedding flow behind a blunt body in a free domain. In the present study, this finding is confirmed by four unsteady viscoelastic f…

physics.flu-dyn2006

A Numerical Model for Flows in Porous and Open Domains Coupled at the Interface by Stress Jump

Peng Yu, Thong See Lee, Yan Zeng +1

A numerical model was developed for flows involving an interface between a homogenous fluid and a porous medium. The numerical model is based on the finite volume method with body-…

cs.CV2025

RotatedMVPS: Multi-view Photometric Stereo with Rotated Natural Light

Songyun Yang, Yufei Han, Jilong Zhang +4

Multiview photometric stereo (MVPS) seeks to recover high-fidelity surface shapes and reflectances from images captured under varying views and illuminations. However, existing MVP…

cond-mat.mtrl-sci2016

Discovery of a new type of topological Weyl fermion semimetal state in MoWTe

Ilya Belopolski, Daniel S. Sanchez, Yukiaki Ishida +23

The recent discovery of a Weyl semimetal in TaAs offers the first Weyl fermion observed in nature and dramatically broadens the classification of topological phases. However, in Ta…

cond-mat.mes-hall2016

A minimal, "hydrogen atom" version of an inversion-breaking Weyl semimetal

Ilya Belopolski, Peng Yu, Daniel S. Sanchez +15

The recent explosion of research interest in Weyl semimetals has led to many proposed Weyl semimetal candidates and a few experimental observations of a Weyl semimetal in real mate…

physics.optics2022

Direct Light Orbital Angular Momentum Detection in Mid-Infrared based on Type-II Weyl Semimetal TaIrTe4

Jiawei Lai, Junchao Ma, Zipu Fan +7

The capability of direct photocurrent detection of orbital angular momentum (OAM) of light has recently been realized with topological Weyl semimetal, but limited to near infrared…