Showing 2020Show all

1,491 papers · 1 filter

cond-mat.mtrl-sci2020★ 24 cited

Detection of magnetic gap in the topological surface states of MnBi2Te4

Haoran Ji, Yanzhao Liu, He Wang +6

Recently, intrinsic antiferromagnetic topological insulator MnBi2Te4 has drawn intense research interest and leads to plenty of significant progress in physics and materials scienc…

nlin.SI2020★ 21 cited

Parity-time-symmetric vector rational rogue wave solutions in any n-component nonlinear Schrödinger models

Guoqiang Zhang, Liming Ling, Zhenya Yan +1

The extreme events are investigated for an -component nonlinear Schrödinger (-NLS) system in the focusing Kerr-like nonlinear media, which appears in many physical fields. We…

cs.CL2020★ 8 cited

Neural Machine Translation: A Review of Methods, Resources, and Tools

Zhixing Tan, Shuo Wang, Zonghan Yang +4

Machine translation (MT) is an important sub-field of natural language processing that aims to translate natural languages using computers. In recent years, end-to-end neural machi…

cond-mat.mes-hall2020★ 26 cited

Non-equilibrium effects on electron-phonon coupling constant in metals

Wuli Miao, Moran Wang

Understanding of the energy exchange between electrons and phonons in metals is important for micro- and nano-manufacturing and system design. The electron-phonon (e-ph) coupling c…

physics.med-ph2020★ 13 cited

An Analysis of Scatter Characteristics in X-ray CT Spectral Correction

Tao Zhang, Zhiqiang Chen, Hao Zhou +3

X-ray scatter remains a major physics challenge in volumetric computed tomography (CT), whose physical and statistical behaviors have been commonly leveraged in order to eliminate…

physics.app-ph2020★ 87 cited

Structure, preparation, and applications of 2D material-based metal-semiconductor heterostructures

Junyang Tan, Shisheng Li, Bilu Liu1 +1

Two-dimensional (2D) materials family with its many members and different properties has recently drawn great attention. Thanks to their atomic thickness and smooth surface, 2D mat…

cs.DC2020★ 1 cited

When Load Rebalancing Does Not Work for Distributed Hash Table

Yuqing Zhu

Distributed hash table (DHT) is the foundation of many widely used storage systems, for its prominent features of high scalability and load balancing. Recently, DHT-based systems h…

math.AP2020★ 12 cited

Regularity of the Vlasov-Poisson-Boltzmann System without angular cutoff

Dingqun Deng

In this paper we study the regularity of the non-cutoff Vlasov-Poisson-Boltzmann system for plasma particles of two species in the whole space with hard potential. T…

cs.CR2020★ 27 cited

Secure Hot Path Crowdsourcing with Local Differential Privacy under Fog Computing Architecture

Mengmeng Yang, Ivan Tjuawinata, Kwok Yan Lam +2

Crowdsourcing plays an essential role in the Internet of Things (IoT) for data collection, where a group of workers is equipped with Internet-connected geolocated devices to collec…

astro-ph.HE2020★ 14 cited

Insight-HXMT observations of Swift J0243.6+6124: the evolution of RMS pulse fractions at super-Eddington luminosity

P. J. Wang, L. D. Kong, S. Zhang +116

Based on Insight-HXMT data, we report on the pulse fraction evolution during the 2017-2018 outburst of the newly discovered first Galactic ultraluminous X-ray source (ULX) Swift J0…

quant-ph2020★ 39 cited

Learning Quantum Hamiltonians from Single-qubit Measurements

Liangyu Che, Chao Wei, Yulei Huang +6

It is natural to measure the observables from the Hamiltonian-based quantum dynamics, and its inverse process that Hamiltonians are estimated from the measured data also is a vital…

cs.SI2020

GAHNE: Graph-Aggregated Heterogeneous Network Embedding

Xiaohe Li, Lijie Wen, Chen Qian +1

The real-world networks often compose of different types of nodes and edges with rich semantics, widely known as heterogeneous information network (HIN). Heterogeneous network embe…

astro-ph.IM2020★ 36 cited

The Tsinghua University-Ma Huateng Telescopes for Survey: Overview and Performance of the System

Ji-Cheng Zhang, Xiao-Feng Wang, Jun Mo +16

Over the past decade, time-domain astronomy in optical bands has developed rapidly with the operations of some wide-field survey facilities. However, most of these surveys are cond…

eess.AS2020★ 3 cited

Unsupervised Cross-Lingual Speech Emotion Recognition Using DomainAdversarial Neural Network

Xiong Cai, Zhiyong Wu, Kuo Zhong +3

By using deep learning approaches, Speech Emotion Recog-nition (SER) on a single domain has achieved many excellentresults. However, cross-domain SER is still a challenging taskdue…

astro-ph.GA2020★ 24 cited

The Arecibo Ultra-Deep Survey

Hongwei Xi, Lister Staveley-Smith, Bi-Qing For +5

The Arecibo Ultra Deep Survey (AUDS) is a blind HI survey aimed at detecting galaxies beyond the local Universe in the 21-cm emission line of neutral hydrogen (HI). The Arecibo …

cs.LG2020★ 6 cited

Series Saliency: Temporal Interpretation for Multivariate Time Series Forecasting

Qingyi Pan, Wenbo Hu, Jun Zhu

Time series forecasting is an important yet challenging task. Though deep learning methods have recently been developed to give superior forecasting results, it is crucial to impro…

quant-ph2020★ 95 cited

Observation of non-Hermitian topology with non-unitary dynamics of solid-state spins

Wengang Zhang, Xiaolong Ouyang, Xianzhi Huang +7

Non-Hermitian topological phases exhibit a number of exotic features that have no Hermitian counterparts, including the skin effect and breakdown of the conventional bulk-boundary…

cs.CL2020★ 14 cited

Building and Using Personal Knowledge Graph to Improve Suicidal Ideation Detection on Social Media

Lei Cao, Huijun Zhang, Ling Feng

A large number of individuals are suffering from suicidal ideation in the world. There are a number of causes behind why an individual might suffer from suicidal ideation. As the m…

cs.GT2020★ 2 cited

Incentive Mechanism Design for Distributed Coded Machine Learning

Ningning Ding, Zhixuan Fang, Lingjie Duan +1

A distributed machine learning platform needs to recruit many heterogeneous worker nodes to finish computation simultaneously. As a result, the overall performance may be degraded…

nucl-ex2020★ 27 cited

Measurements of and cross sections and their ratios in collisions at RHIC

STAR Collaboration, J. Adam, L. Adamczyk +356

We report on the and differential and total cross sections as well as the / and / cross-section ratios measured by the STAR experiment a…

cs.LG2020★ 1 cited

Modeling Heterogeneous Statistical Patterns in High-dimensional Data by Adversarial Distributions: An Unsupervised Generative Framework

Han Zhang, Wenhao Zheng, Charley Chen +4

Since the label collecting is prohibitive and time-consuming, unsupervised methods are preferred in applications such as fraud detection. Meanwhile, such applications usually requi…

cs.CV2020

FAWA: Fast Adversarial Watermark Attack on Optical Character Recognition (OCR) Systems

Lu Chen, Jiao Sun, Wei Xu

Deep neural networks (DNNs) significantly improved the accuracy of optical character recognition (OCR) and inspired many important applications. Unfortunately, OCRs also inherit th…

cond-mat.dis-nn2020★ 1 cited

Topological Superconductors in One-Dimensional Mosaic Lattices

Qi-Bo Zeng, Rong Lü, Li You

We study topological superconductor in one-dimensional (1D) mosaic lattice whose on-site potentials are modulated for equally spaced sites. When the system is topologically nontriv…

astro-ph.GA2020★ 3 cited

Discovery of a damped Ly galaxy at z 3 towards the quasar SDSS J011852+040644

Ravi Joshi, Michele Fumagalli, Raghunathan Srianand +11

We report the detection of the host galaxy of a damped Ly system (DLA) with log N(HI) = at towards the background quasar SDSS…