189 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Heetae Kim2 profiles6 · h 16
- B. Kahng3 profiles4 · h 38
- Daekyung Lee2 profiles4 · h 4
- Beom Jun Kim2 profiles3 · h 28
- Chong-Kwon Kim3 · h 6
- Hoyun Choi3 profiles3 · h 9
- Jiho Choi3 · h 4
- Taewook Ko3 · h 6
- Brett A. Helms2 profiles2 · h 14
- Bukyoung Jhun2 · h 5
- Gunn Kim2 profiles2 · h 26
- Heung-Sik Kim2 profiles2 · h 2
- Seoul National UniversityKR8 papers
- Sungkyunkwan UniversityKR6 papers
- Korea Advanced Institute of Science and TechnologyKR3 papers
- Universidad del DesarrolloCL3 papers
- Academia SinicaTW2 papers
- Asia Pacific Center for Theoretical PhysicsKR2 papers
- Gyeongsang National UniversityKR2 papers
- Kangwon National UniversityKR2 papers
- Korea Basic Science InstituteKR2 papers
- Korea Institute for Advanced StudyKR2 papers
- Korea Institute of Science and TechnologyKR2 papers
- Lawrence Berkeley National LaboratoryUS2 papers
22 papers
Multistage spin correlations in the = 1/2 stuffed hyper-star lattice LiCu(MoO)
J. Khatua, Taeyun Kim, G. Senthil Murugan +11
Star lattice, which can be visualized as a honeycomb network with each vertex replaced by a triangle, provides a rare platform for realizing exotic quantum states such as quantum s…
Plasmonic polaron in self-intercalated 1T-TiS2
Byoung Ki Choi, Woojin Choi, Zhiyu Tao +24
Electron-boson coupling is central to a comprehensive understanding of the diverse physical phenomena emerging from many-body interactions. Yet less attention has been paid to how…
Awakening catalytically active surface of BaRuO3 thin film for alkaline hydrogen evolution
Jegon Lee, Dohyun Kim, Seulgi Ji +9
The dynamic reconstruction of surfaces during electrochemical reactions plays a crucial role in determining the performance of electrocatalysts. However, because reconstructions oc…
Possible Bose-Einstein condensation of magnons in a S = 5/2 honeycomb lattice
J. Khatua, S. M. Kumawat, G. Senthil Murugan +5
Quantum magnets offer a unique platform for exploring exotic quantum phases and quantum phase transitions through external magnetic fields. A prominent example is the field-induced…
Kaleidoscopic reorganization of network communities across different scales
Wonhee Jeong, Daekyung Lee, Heetae Kim +1
The notion of structural heterogeneity is pervasive in real networks, and their community organization is no exception. Still, a vast majority of community detection methods assume…
Reinforcement Learning Optimizes Power Dispatch in Decentralized Power Grid
Yongsun Lee, Hoyun Choi, Laurent Pagnier +6
Effective frequency control in power grids has become increasingly important with the increasing demand for renewable energy sources. Here, we propose a novel strategy for resolvin…
Multi-technology co-optimization approach for sustainable hydrogen and electricity supply chains considering variability and demand scale
Sunwoo Kim, Joungho Park, Jay H. Lee
In the pursuit of a carbon-neutral future, hydrogen emerges as a pivotal element, serving as a carbon-free energy carrier and feedstock. As efforts to decarbonize sectors such as h…
Integrating solid direct air capture systems with green hydrogen production: Economic synergy of sector coupling
Sunwoo Kim, Joungho Park, Jay H. Lee
In the global pursuit of sustainable energy solutions, mitigating carbon dioxide (CO2) emissions stands as a pivotal challenge. With escalating atmospheric CO2 levels, the imperati…
Review-Based Hyperbolic Cross-Domain Recommendation
Yoonhyuk Choi, Jiho Choi, Taewook Ko +1
The issue of data sparsity poses a significant challenge to recommender systems. In response to this, algorithms that leverage side information such as review texts have been propo…
Unified framework for hybrid percolation transitions based on microscopic dynamics
Hoyun Choi, Y. S. Cho, Raissa D'Souza +2
A hybrid percolation transition (HPT) exhibits both discontinuity of the order parameter and critical behavior at the transition point. Such dynamic transitions can occur in two wa…
Protection Against Graph-Based False Data Injection Attacks on Power Systems
Gal Morgenstern, Jip Kim, James Anderson +2
Graph signal processing (GSP) has emerged as a powerful tool for practical network applications, including power system monitoring. Recent research has focused on developing GSP-ba…
Finding Heterophilic Neighbors via Confidence-based Subgraph Matching for Semi-supervised Node Classification
Yoonhyuk Choi, Jiho Choi, Taewook Ko +1
Graph Neural Networks (GNNs) have proven to be powerful in many graph-based applications. However, they fail to generalize well under heterophilic setups, where neighbor nodes have…
How to grow an oscillator network with enhanced synchronization
Jong-Min Park, Daekyung Lee, Heetae Kim
We study a way to set the natural frequency of a newly added oscillator in a growing network to enhance synchronization. Population growth is one of the typical features of many os…
Review-Based Domain Disentanglement without Duplicate Users or Contexts for Cross-Domain Recommendation
Yoonhyuk Choi, Jiho Choi, Taewook Ko +2
A cross-domain recommendation has shown promising results in solving data-sparsity and cold-start problems. Despite such progress, existing methods focus on domain-shareable inform…
Resolving mean-field solutions of dissipative phase transitions using permutational symmetry
Minjae Jo, Bukyoung Jhun, B. Kahng
Phase transitions in dissipative quantum systems have been investigated using various analytical approaches, particularly in the mean-field (MF) limit. However, analytical results…
Self-consistent gravity model for inferring node mass in flow networks
Daekyung Lee, Wonguk Cho, Heetae Kim +3
The gravity model, inspired by Newton's law of universal gravitation, has long served as a primary tool for interpreting trade flows between countries, using a country's economic `…
Power-grid stability predictions using transferable machine learning
Seong-Gyu Yang, Beom Jun Kim, Seung-Woo Son +1
Complex network analyses have provided clues to improve power-grid stability with the help of numerical models. The high computational cost of numerical simulations, however, has i…
How modular structure determines operational resilience of power grids
Heetae Kim
The synchronization stability has been analyzed as one of the important dynamical characteristics of power grids. In this study, we bring the operational perspective to the synchro…
Consistency landscape of network communities
Daekyung Lee, Sang Hoon Lee, Beom Jun Kim +1
The concept of community detection has long been used as a key device for handling the mesoscale structures in networks. Suitably conducted community detection reveals various embe…
Covid-19 epidemic under the K-quarantine model: Network approach
K. Choi, Hoyun Choi, B. Kahng
The Covid-19 pandemic is ongoing worldwide, and the damage it has caused is unprecedented. For prevention, South Korea has adopted a local quarantine strategy rather than a global…
Universal Chemomechanical Design Rules for Solid-Ion Conductors to Prevent Dendrite Formation in Lithium Metal Batteries
Chengyin Fu, Victor Venturi, Zeeshan Ahmad +3
Dendrite formation during electrodeposition while charging lithium metal batteries compromises their safety. While high shear modulus solid-ion conductors (SICs) have been prioriti…
Dissociation of ssDNA - Single-Walled Carbon Nanotube Hybrids by Watson-Crick Base Pairing
Seungwon Jung, Misun Cha, Jiyong Park +5
The unwrapping event of ssDNA from the SWNT during the Watson-Crick base paring is investigated through electrical and optical methods, and binding energy calculations. While the s…