3 papers
physics.optics2024
Enhanced Cherenkov radiation in twisted hyperbolic Van der Waals crystals
Hao Hu, Xiao Lin, Guangwei Hu +2
Cherenkov radiation in artificial structures experiencing strong radiation enhancements promises important applications in free-electron quantum emitters, broadband light sources,…
astro-ph.HE2023
A Superluminous Supernova Lightened by Collisions with Pulsational Pair-instability Shells
Weili Lin, Xiaofeng Wang, Lin Yan +23
Superluminous supernovae are among the most energetic stellar explosions in the Universe, but their energy sources remain an open question. Here we present long-term observations o…
physics.optics2023
Free-electron Brewster radiation
Ruoxi Chen, Jialin Chen, Zheng Gong +7
Free-electron radiation offers an enticing route to create light emission at arbitrary spectral regime. However, this type of light emission is generally weak, which is intrinsical…