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Is the key to understanding our universe hidden in its mirror image? Are the answers cosmologists seek much simpler than we think? And can we explain the origin of the universe without inflation?
Here today to share his bold new theory is the renowned physicist and cosmologist Neil Turok. Neil, who specializes in mathematical and early-universe physics, is the Higgs Chair of Theoretical Physics at the University of Edinburgh and Director Emeritus of the Perimeter Institute for Theoretical Physics. Recently, heโs been getting a lot of attention for proposing a simpler, more testable cosmological model that replaces inflation with a CPT-symmetric Mirror Universe, explaining dark matter, cosmic flatness, and density variations without adding unnecessary complexity.
Join us as we explore this provocative new theory in depth!
๐ โCosmic Inflationโ: did the early cosmos balloon in size? A mirror universe going backwards in time may be a simpler explanation by Neil Turok:
Key Takeaways:
00:00:00 Intro
00:00:53 Going backwards in time?
00:06:27 Symmetry and broken symmetry in physics
00:09:02 CPT symmetry and its implications
00:20:12 Mirror universes and Sakharov conditions
00:23:59 Dark matter and right-handed neutrinos
00:39:50 Lambda CDM model and inflation
00:48:50 Conformal symmetry and Big Bang singularity
00:56:22 Dimension zero fields and quantum fluctuations
01:07:12 Anomally collection and standard model predictions
01:14:40 Where do we go from here?
01:17:19 Outro
Additional resources:
โก๏ธ Learn more about Neil Turok:
๐ The Universe Within:
๐ Endless Universe:
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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.
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Dr Brian Keating
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