Astrophysics

The existence of dark matter is strongly supported by an abundance of astrophysical and cosmological evidence, but has yet to be directly detected. Liquid Xe detectors have been a game changer in the field of dark matter detection, bringing about...

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Observations by Magnetospheric Multiscale have demonstrated that magnetic reconnection occurs at Earth's bow shock, typically at thin current sheets arising from plasma instabilities and turbulence in the shock transition region. In this talk, we...

Gravity-only simulations have been crucial for predicting the matter power spectrum, but they assume baryons have little influence on large-scale structure formation—a notion that has been proven incorrect. With upcoming surveys like LSST and the...

Abstract: We use asymptotic symmetry arguments to show that the only physical states in QED scattering theory are maximally entangled states, in which electron (or positron) momenta at timelike infinity are entangled with soft radiation with memory...

Each week, we hold a relatively informal seminar/discussion series with an emphasis on extra-galactic and large-scale structure astrophysics.

During Galread a leader/visitor presents a recent paper to the discussion group. The PDF of the paper is...

Pulsar timing array experiments around the world have reported evidence of a stochastic gravitational wave background (GWB) at nanohertz frequencies. This background is thought to be sourced by a cosmic population of supermassive black hole binaries...