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Preheating with Nontrivial Topologies
No full textOne of the most important tools to a cosmologist is the Cosmic Microwave Background (CMB). The CMB is radiation leftover from the early universe, a time when the universe was opaque. The CMB provides information about this early universe and how it evolved over time. One key insight from the CMB is that the observable universe—the part of the universe that we can see—is flat. This summer, I examined what it means to be locally flat and what implications this could have for the universe as a whole
Constraining LIGO Measurements of Neutron Star Equations of State Using a Machine Learning Algorithm
No full textLIGO (Laser Interferometer Gravitational-Wave Observatory) detects ripples in space-time caused by the collisions of extremely dense objects, such as neutron stars and black holes. By measuring tidal deformability—how much a neutron star deforms under the gravitational pull of a nearby neutron star—we gain direct insights into the internal structure of these stars, which we refer to as the equation of state (NS EOS). This deformability can be observed using gravitational waves detected by LIGO
