4 papers
How Primordial Black Holes Change BBN
Tianning Wang, Evan Grohs, Laura Mersini-Houghton
Primordial Black Holes (PBHs) provide a powerful probe of early-universe physics, linking inflationary fluctuations to observable cosmological phenomena. In this work, we use a bot…
Gamma rays as a signature of r-process producing supernovae: remnants and future Galactic explosions
Zhenghai Liu, Evan Grohs, Kelsey A. Lund +5
We consider the question of whether core-collapse supernovae (CCSNe) can produce rapid neutron capture process (r-process) elements and how future MeV gamma-ray observations could…
Advection Algorithms for Quantum Neutrino Moment Transport
Evan Grohs, Sherwood Richers, Julien Froustey +3
Neutrino transport in compact objects is an inherently challenging multi-dimensional problem. This difficulty is compounded if one includes flavor transformation -- an intrinsicall…
Quantum Closures for Neutrino Moment Transport
James P. Kneller, Julien Froustey, Evan B. Grohs +3
A computationally efficient method for calculating the transport of neutrino flavor in simulations is to use angular moments of the neutrino one-body reduced density matrix, i.e.,…