
Cosmologists at Perimeter Institute seek to help pin down the constituents and history of our universe, and the rules governing its origin and evolution. Many of the most interesting clues about physics beyond the standard model (e.g., dark matter, dark energy, the matter/anti-matter asymmetry, and the spectrum of primordial density perturbations], come from cosmological observations, and cosmological observations are often the best way to test or constrain a proposed modification of the laws of nature, since such observations can probe length scales, time scales, and energy scales that are beyond the reach of terrestrial laboratories.
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Big Bang Nucleosynthesis as a probe of new physics
Josef Pradler University of Vienna
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A New View of the Cosmic Microwave Background with ACT
Sudeep Das University of California, Berkeley
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The Eddington Limit in Cosmic Rays
Aristotle Socrates Institute for Advanced Study (IAS)
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Resonant Tunneling in Superfluid Helium-3
Dan Wohns Perimeter Institute for Theoretical Physics
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Detecting extra dimensions with gravitational waves
Ruth Gregory King's College London
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Understanding Fundamental Physics with Galaxy Clusters
Neelima Sehgal Stony Brook University
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The Event Horizon Telescope: Imaging Black Hole Horizons
Avery Broderick University of Waterloo
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Cosmological probes of inflation and the 21 cm line
Jonathan Pritchard Imperial College London