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19932026
most cited30 inch Roll-Based Production of High-Quality Graphene Films for Flexible Transparent Electrodes

8.2k citations

Showing 2020Show all

164 papers · 1 filter

quant-ph2020★ 14 cited

Telecom C-Band Photon-Pair Generation using Standard SMF-28 Fiber

Kyungdeuk Park, Dongjin Lee, Robert W. Boyd +1

Photon-pair generation must satisfy both the energy conservation and phase-matching conditions with a specific pump wavelength and dispersion of nonlinear optical medium, but findi…

hep-ph2020★ 15 cited

Vector dark matter from a gauged symmetry

Takaaki Nomura, Hiroshi Okada, Seokhoon Yun

We propose a scenario of dark sector described by a hidden gauge symmetry which is broken by a vacuum expectation value(VEV) of a scalar multiplet. We discuss a general mas…

hep-th2020★ 6 cited

Black holes and Large complex saddles in 3D-3D correspondence

Sunjin Choi, Dongmin Gang, Nakwoo Kim

We study the large sign oscillation of the twisted indices for 3D theories of class obtained from M5-branes wrapped on a hyperbolic 3-manifold. Holographically,…

cond-mat.str-el2020★ 2 cited

Spin and charge order in doped spin-orbit coupled Mott insulators

Mehdi Biderang, Alireza Akbari, Jesko Sirker

We study a two-dimensional single band Hubbard Hamiltonian with antisymmetric spin-orbit coupling. We argue that this is the minimal model to understand the electronic properties o…

cond-mat.str-el2020★ 10 cited

Spin and charge excitations in the correlated multiband metal Ca3Ru2O7

J. Bertinshaw, M. Krautloher, H. Suzuki +5

We use Ru -edge resonant inelastic x-ray scattering (RIXS) to study the full range of excitations in CaRuO from meV-scale magnetic dynamics through to the eV-scale…

eess.SY2020

Relieving the Need for Bi-Level Decision-Making for Optimal Retail Pricing via Online Meta-Prediction of Data-Driven Demand Response of HVAC Systems

Youngjin Kim

Price-based demand response (DR) of heating, ventilating, and air-conditioning (HVAC) systems is a challenging task, requiring comprehensive models to represent the building therma…

eess.SY2020

Optimal Voltage and Current Control of an HVDC System to Improve Real-Time Frequency Regulation

Do-Hoon Kwon, Youngjin Kim

High-voltage direct-current (HVDC) systems for constant or intermittent power delivery have recently been developed further to support grid frequency regulation (GFR). This paper p…

cs.LG2020★ 80 cited

DE-RRD: A Knowledge Distillation Framework for Recommender System

SeongKu Kang, Junyoung Hwang, Wonbin Kweon +1

Recent recommender systems have started to employ knowledge distillation, which is a model compression technique distilling knowledge from a cumbersome model (teacher) to a compact…

cond-mat.mes-hall2020★ 30 cited

Topological features of ground states and topological solitons in generalized Su-Schrieffer-Heeger models using generalized time-reversal, particle-hole, and chiral symmetries

Sang-Hoon Han, Seung-Gyo Jeong, Sun-Woo Kim +2

Topological phases and their topological features are enriched by the fundamental time-reversal, particle-hole, and chiral as well as crystalline symmetries. While one-dimensional…

cond-mat.str-el2020★ 2 cited

Effect of strain-induced orbital splitting on the magnetic excitations in undoped cuprates

Dheeraj Kumar Singh, Yunkyu Bang

We investigate the magnetic excitations in view of the recent reports suggesting that the spin-wave energy may exhibit a significant dependence on the in-plane strain of a thin fil…

cs.CV2020★ 2 cited

Suppressing Spoof-irrelevant Factors for Domain-agnostic Face Anti-spoofing

Taewook Kim, Yonghyun Kim

Face anti-spoofing aims to prevent false authentications of face recognition systems by distinguishing whether an image is originated from a human face or a spoof medium. We propos…

hep-ph2020★ 1 cited

Muon , dark matter, and neutrino mass explanations in a modular symmetry

Parada T. P. Hutauruk, Dong Woo Kang, Jongkuk Kim +1

We study a successful model to explain the muon anomalous magnetic moment originating from Yukawa-type interactions {in a supersymmetric theory}. Thanks to a modular flavor s…

cond-mat.str-el2020★ 19 cited

Decay and renormalization of a longitudinal mode in a quasi-two-dimensional antiferromagnet

Seung-Hwan Do, Hao Zhang, Travis J. Williams +8

An ongoing challenge in the study of quantum materials, is to reveal and explain collective quantum effects in spin systems where interactions between different modes types are imp…

cond-mat.str-el2020★ 1 cited

Role of generic scale invariance in a Mott transition from a U(1) spin-liquid insulator to a Landau Fermi-liquid metal

Jinho Yang, Iksu Jang, Jae-Ho Han +1

We investigate the role of generic scale invariance in a Mott transition from a U(1) spin-liquid insulator to a Landau Fermi-liquid metal, where there exist massless degrees of fre…

cs.LG2020★ 23 cited

Unsupervised embedding of trajectories captures the latent structure of scientific migration

Dakota Murray, Jisung Yoon, Sadamori Kojaku +4

Human migration and mobility drives major societal phenomena including epidemics, economies, innovation, and the diffusion of ideas. Although human mobility and migration have been…

cond-mat.supr-con2020★ 10 cited

Local characterization of a heavy-fermion superconductor via sub-Kelvin magnetic force microscopy

Dirk Wulferding, Geunyong Kim, Hoon Kim +5

Using magnetic force microscopy operating at sub-Kelvin temperatures we characterize the heavy-fermion superconductor CeCoIn. We pinpoint the absolute London penetration depth…

physics.flu-dyn2020

Numerical modeling of bubble-particle interaction in a volume-of-fluid framework

Hojun Moon, Jeongbo Shim, Donghyun You

A numerical method is presented to simulate gas-liquid-solid flows with bubble-particle interaction, including particle collision, sliding, and attachment. Gas-liquid flows are sim…

cond-mat.supr-con2020★ 3 cited

Coexistence of spontaneous polarization and superconductivity in hole-doped oxyhydrides ATiO_2H (A=K, Rb, Cs): first-principles study

Minjae Ghim, Nobuya Sato, Ryosuke Akashi +2

The polar metal is a material that hosts both polar distortion and metallicity. Such a material is expected to show exotic magneto-electric phenomena if superconducts. Here, we the…

quant-ph2020★ 3 cited

Determining the position of a single spin relative to a metallic nanowire

J. F. da Silva Barbosa, M. Lee, P. Campagne-Ibarcq +9

The nanoscale localization of individual paramagnetic defects near an electrical circuit is an important step for realizing hybrid quantum devices with strong spin-microwave photon…

cond-mat.mes-hall2020★ 135 cited

Orbital Rashba effect in surface oxidized Cu film

Dongwook Go, Daegeun Jo, Tenghua Gao +4

Recent experimental observation of unexpectedly large current-induced spin-orbit torque in surface oxidized Cu on top of a ferromagnet suggested a possible role of the orbital Rash…

hep-th2020★ 27 cited

Higher-Derivative Supergravity, Wrapped M5-branes, and Theories of Class

Nikolay Bobev, Anthony M. Charles, Dongmin Gang +2

We study the interplay between four-derivative 4d gauged supergravity, holography, wrapped M5-branes, and theories of class . Using results from Chern-Simons theory on…

cs.CV2020★ 1 cited

Painting Outside as Inside: Edge Guided Image Outpainting via Bidirectional Rearrangement with Progressive Step Learning

Kyunghun Kim, Yeohun Yun, Keon-Woo Kang +3

Image outpainting is a very intriguing problem as the outside of a given image can be continuously filled by considering as the context of the image. This task has two main challen…

quant-ph2020★ 99 cited

Josephson-junction infrared single-photon detector

Evan D. Walsh, Woochan Jung, Gil-Ho Lee +9

Josephson junctions (JJs) are ubiquitous superconducting devices, enabling high sensitivity magnetometers and voltage amplifiers, as well as forming the basis of high performance c…

cond-mat.str-el2020

Synthesis and characterization of vertically aligned La0.7Sr0.3MnO3:NiO nanocomposite thin films for spintronic applications

Gyanendra Panchal, Anjali Panchwanee, Manish Kumar +3

The microstructures and interfaces of two-phase vertically aligned nanocomposite (VAN) thin films play a key role in the design of spintronic device architectures and their multifu…