PIRSA:22100145

: From black holes to the Big Bang: astrophysics and cosmology with gravitational waves and their electromagnetic counterparts

Biscoveanu, A. (2022). : From black holes to the Big Bang: astrophysics and cosmology with gravitational waves and their electromagnetic counterparts. Perimeter Institute. https://pirsa.org/22100145

Biscoveanu, Andrea. : From black holes to the Big Bang: astrophysics and cosmology with gravitational waves and their electromagnetic counterparts. Perimeter Institute, Oct. 27, 2022, https://pirsa.org/22100145 

          @misc{ pirsa_PIRSA:22100145,
            doi = {10.48660/22100145},
            url = {https://pirsa.org/22100145},
            author = {Biscoveanu, Andrea},
            keywords = {Strong Gravity},
            language = {en},
            title = {: From black holes to the Big Bang: astrophysics and cosmology with gravitational waves and their electromagnetic counterparts},
            publisher = {Perimeter Institute},
            year = {2022},
            month = {oct},
            note = {PIRSA:22100145 see, \url{https://pirsa.org}}
          }

Andrea Biscoveanu Massachusetts Institute of Technology (MIT)

Talk numberPIRSA:22100145
DOI10.48660/22100145
Collection
Talk Type Scientific Series
Subject

Abstract

The growing catalog of gravitational-wave signals from compact object mergers has allowed us to study the properties of black holes and neutron stars more precisely than ever before and has opened a new window through which to probe the earliest moments in our universe’s history. In this talk, I will demonstrate how current and future gravitational-wave observations can be uniquely leveraged to learn about astrophysics and cosmology. With the current catalog of events detected by the LIGO and Virgo gravitational-wave detectors, I will present evidence for a correlation between the redshift and spin distributions of binary black holes and discuss its astrophysical implications. With joint observations of short gamma-ray bursts and binary neutron star mergers accessible in the next few years, I will describe how to constrain the jet geometry and shed light on the central engine powering these explosions. Finally, with the sensitivities expected for the next generation of gravitational-wave detectors, I will present the statistically optimal method for the simultaneous detection of a foreground of compact binary mergers and a stochastic gravitational-wave background from early-universe processes.

Zoom Link: https://pitp.zoom.us/j/95280675686?pwd=RThMeStWeWl1VlBuV1cvYW8zTXgydz09