%0 Journal Article %T Electromagnetic field enhancement in a subwavelength rectangular open cavity %A Gao, Yixian %A Li, Peijun %A Yuan, Xiaokai %J SN Partial Differential Equations and Applications %V 2 %N 4 %@ 2662-2963 %D 2021-07-13 %I Springer International Publishing %~ DeepDyve