2 papers
astro-ph.CO2023
Under Einstein's Microscope: Measuring Properties of Individual Rotating Massive Stars From Extragalactic Micro Caustic Crossings
Xu Han, Liang Dai
Highly magnified stars residing in caustic crossing lensed galaxies at z ~ 0.7-1.5 in galaxy cluster lensing fields inevitably exhibit recurrent brightening events as they traverse…
astro-ph.CO2023
Stochastic gravitational waves produced by the first-order QCD phase transition
Xu Han, Guoyun Shao
We investigate the stochastic gravitational waves background arising from the first-order QCD chiral phase transition, considering three distinct sources: bubble collisions, sound…