Showing 2021Show all

1,431 papers · 1 filter

cond-mat.str-el2021★ 6 cited

Exactly solvable lattice models for interacting electronic insulators in two dimensions

Qing-Rui Wang, Yang Qi, Chen Fang +2

In the past decade, tremendous efforts have been made towards understanding fermionic symmetry protected topological (FSPT) phases in interacting systems. Nevertheless, for systems…

cs.LG2021★ 52 cited

Are we really making much progress? Revisiting, benchmarking, and refining heterogeneous graph neural networks

Qingsong Lv, Ming Ding, Qiang Liu +7

Heterogeneous graph neural networks (HGNNs) have been blossoming in recent years, but the unique data processing and evaluation setups used by each work obstruct a full understandi…

cs.LG2021★ 10 cited

Reversible Upper Confidence Bound Algorithm to Generate Diverse Optimized Candidates

Bin Chong, Yingguang Yang, Zi-Le Wang +2

Most algorithms for the multi-armed bandit problem in reinforcement learning aimed to maximize the expected reward, which are thus useful in searching the optimized candidate with…

cond-mat.str-el2021★ 34 cited

Robustness of Antiferromagnetism in the Su-Schrieffer-Heeger-Hubbard model

Xun Cai, Zi-Xiang Li, Hong Yao

We recently unveiled that antiferromagnetism (AFM) order can be dominantly induced by the bond Su-Schrieffer-Heeger (SSH) electron-phonon coupling (EPC), which is beyond the conven…

hep-ex2021★ 10 cited

Observation of Electromagnetic Dalitz Decays to , and

BESIII Collaboration, M. Ablikim, M. N. Achasov +543

Using a sample of about 10 billion events collected at a center-of-mass energy GeV with the BESIII detector, the electromagnetic Dalitz decays $J/ψ\to e^+e^…

cs.IR2021★ 33 cited

Graph Collaborative Reasoning

Hanxiong Chen, Yunqi Li, Shaoyun Shi +3

Graphs can represent relational information among entities and graph structures are widely used in many intelligent tasks such as search, recommendation, and question answering. Ho…

quant-ph2021★ 39 cited

Significant-loophole-free test of Kochen-Specker contextuality using two species of atomic-ions

Pengfei Wang, Junhua Zhang, Chun-Yang Luan +7

Quantum measurements cannot be thought of as revealing preexisting results, even when they do not disturb any other measurement in the same trial. This feature is called contextual…

quant-ph2021★ 5 cited

Room-temperature on-chip generation of heralded single photons with switchable orbital angular momentum

Shan Zhang, Xue Feng, Wei Zhang +3

In quantum optics, orbital angular momentum (OAM) is very promising to achieve high-dimensional quantum states due to the nature of infinite and discrete eigenvalue, which is quant…

hep-th2021★ 7 cited

Free Quotients of Favorable Calabi-Yau Manifolds

James Gray, Juntao Wang

Non-simply connected Calabi-Yau threefolds play a central role in the study of string compactifications. Such manifolds are usually described by quotienting a simply connected Cala…

physics.flu-dyn2021★ 20 cited

How do the finite-size particles modify the drag in Taylor-Couette turbulent flow

Cheng Wang, Lei Yi, Linfeng Jiang +1

We experimentally investigate the drag modification by neutrally buoyant finite-size particles with various aspect ratios in a Taylor-Couette (TC) turbulent flow. The current Reyno…

cond-mat.mes-hall2021★ 23 cited

Observation of Aharonov-Bohm effect in PbTe nanowire networks

Zuhan Geng, Zitong Zhang, Fangting Chen +19

We report phase coherent electron transport in PbTe nanowire networks with a loop geometry. Magneto-conductance shows Aharonov-Bohm (AB) oscillations with periods of and $h/2…

stat.AP2021★ 280 cited

Comprehensive Performance Evaluation of LID Practices for the Sponge City Construction: A Case Study in Guangxi, China

Li Qian, Wang Feng, Yu Yang +3

Sponge city construction is a new concept of urban stormwater management, which can effectively relieve urban flooding, reduce non-point source pollution, and promote the usage of…

physics.optics2021★ 10 cited

Tunable partial polarization beam splitter and optomechanically induced Faraday effect

Xuan Mao, Guo-Qing Qin, Hong Yang +5

Polarization beam splitter (PBS) is a crucial photonic element to separately extract transverse-electric (TE) and transverse-magnetic (TM) polarizations from the propagating light…

cond-mat.mes-hall2021★ 23 cited

Population inversion and Dirac fermion cooling in 3D Dirac semimetal CdAs

Changhua Bao, Qian Li, Sheng Xu +8

Revealing the ultrafast dynamics of three-dimensional (3D) Dirac fermions upon photoexcitation is critical for both fundamental science and device applications. So far, how the coo…

cond-mat.mes-hall2021★ 25 cited

Ultrafast time- and angle-resolved photoemission spectroscopy with widely tunable probe photon energy of 5.3-7.0 eV for investigating dynamics of three-dimensional materials

Changhua Bao, Haoyuan Zhong, Shaohua Zhou +3

Time- and angle-resolved photoemission spectroscopy (TrARPES) is a powerful technique for capturing the ultrafast dynamics of charge carriers and revealing photo-induced phase tran…

cs.LG2021★ 21 cited

BGL: GPU-Efficient GNN Training by Optimizing Graph Data I/O and Preprocessing

Tianfeng Liu, Yangrui Chen, Dan Li +7

Graph neural networks (GNNs) have extended the success of deep neural networks (DNNs) to non-Euclidean graph data, achieving ground-breaking performance on various tasks such as no…

astro-ph.EP2021★ 17 cited

Dust Accumulation near the Magnetospheric Truncation of Protoplanetary Discs around T Tauri Stars

Rixin Li, Yi-Xian Chen, Douglas N. C. Lin

The prevalence of short-period super-Earths that are independent of host metallicity challenges the theoretical construction of their origin. We propose that dust trapping in the g…

cs.CV2021★ 8 cited

Adaptive Affinity for Associations in Multi-Target Multi-Camera Tracking

Yunzhong Hou, Zhongdao Wang, Shengjin Wang +1

Data associations in multi-target multi-camera tracking (MTMCT) usually estimate affinity directly from re-identification (re-ID) feature distances. However, we argue that it might…

quant-ph2021★ 16 cited

Optomechanical Anti-lasing with Infinite Group Delay at a Phase Singularity

Yulong Liu, Qichun Liu, Shuaipeng Wang +3

Singularities that symbolize abrupt changes and exhibit extraordinary behavior are of broad interest. We experimentally study optomechanically induced singularities in a compound s…

hep-ex2021★ 12 cited

Cross section measurements of the and processes at center-of-mass energies from 4.085 to 4.600 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +549

The Born cross sections of the and processes are measured using collision data collected with the BESIII experiment at cen…

cond-mat.mes-hall2021★ 8 cited

Ambi-chiral anomalous Hall effect in magnetically doped topological insulators

Chang Liu, Yunyi Zang, Yan Gong +4

The chirality associated with broken time reversal symmetry in magnetically doped topological insulators has important implications to the quantum transport phenomena. Here we repo…

physics.ao-ph2021★ 35 cited

Establishing a non-hydrostatic global atmospheric modeling system (iAMAS) at 3-km horizontal resolution with online integrated aerosol feedbacks on the Sunway supercomputer of China

Jun Gu, Jiawang Feng, Xiaoyu Hao +10

During the era of global warming and highly urbanized development, extreme and high impact weather as well as air pollution incidents influence everyday life and might even cause t…

cond-mat.mtrl-sci2021★ 169 cited

A dynamically reprogrammable metasurface with self-evolving shape morphing

Yun Bai, Heling Wang, Yeguang Xue +9

Dynamic shape-morphing soft materials systems are ubiquitous in living organisms; they are also of rapidly increasing relevance to emerging technologies in soft machines, flexible…

astro-ph.IM2021

Radio Galaxy Zoo: Giant Radio Galaxy Classification using Multi-Domain Deep Learning

H. Tang, A. M. M. Scaife, O. I. Wong +1

In this work, we explore the potential of multi-domain multi-branch convolutional neural networks (CNNs) for identifying comparatively rare giant radio galaxies from large volumes…