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13 papers · 1 filter
Valley-Hall photonic topological insulators with dual-band kink states
Qiaolu Chen, Li Zhang, Mengjia He +6
Extensive researches have revealed that valley, a binary degree of freedom (DOF), can be an excellent candidate of information carrier. Recently, valley DOF has been introduced int…
Cross-relation Cross-bag Attention for Distantly-supervised Relation Extraction
Yujin Yuan, Liyuan Liu, Siliang Tang +5
Distant supervision leverages knowledge bases to automatically label instances, thus allowing us to train relation extractor without human annotations. However, the generated train…
Observation of and study of the -wave mesons
BESIII Collaboration, M. Ablikim, M. N. Achasov +453
Studies of and the -wave charmed-strange mesons are performed based on an collision data sample corresponding to an integrat…
Type-I hyperbolic metasurfaces for highly-squeezed designer polaritons with negative group velocity
Yihao Yang, Pengfei Qin, Xiao Lin +4
Hyperbolic polaritons in van der Waals materials and metamaterial heterostructures provide unprecedented control over light-matter interaction at the extreme nanoscale. Here, we pr…
Observation of and improved measurement of
M. Ablikim, M. N. Achasov, S. Ahmed +460
We observe the process for the first time, with a statistical significance higher than 10, and measure the branching fraction of $J/ψ\to p \ba…
Experimental observation of superscattering
Chao Qian, Xiao Lin, Yi Yang +6
Superscattering, induced by degenerate resonances, breaks the fundamental single-channel limit of scattering cross section of subwavelength structures; in principle, an arbitrarily…