2 papers
astro-ph.CO2025
Eternal inflation bubble collision signature on CMB remote dipole and quadrupole fields
Hongbo Cai, Pengjie Zhang, Yilun Guan
The remote dipole and quadrupole fields (RDF/RQF) encode information about the observable universe as seen from remote places within our past light cone. Sensitive to the superhori…
astro-ph.CO2015
Testing eternal inflation with the kinetic Sunyaev Zel'dovich effect
Pengjie Zhang, Matthew C. Johnson
Perhaps the most controversial idea in modern cosmology is that our observable universe is contained within one bubble among many, all inhabiting the eternally inflating multiverse…