3 papers
hep-th2025
Double soft graviton factors from the gravitational Wilson line
Karan Fernandes, Feng-Li Lin, Chris D. White
The description of low-energy (``soft") gravitons using universal theorems continues to attract attention. In this paper, we consider the emission of two soft gravitons, using a pr…
hep-th2024
Violation of Weak Cosmic Censorship in de Sitter Space
Feng-Li Lin, Bo Ning
Inspired by the recent discovery of a violation of strong cosmic censorship (SCC) for the near-extremal Reissner-Nordström black holes in de Sitter space (RN-dS), we investigate if…
hep-th2024
Conic Sections on the Sky: Shadows of Linearly Superrotated Black Holes
Feng-Li Lin, Avani Patel, Jason Payne
Soft hairs are an intrinsic infrared feature of a black hole, which may also affect near-horizon physics. In this work, we study some of the subtleties surrounding one of the prima…