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Theories of Everything with Curt Jaimungal

Peter Woit: The Forgotten Geometry That Could Unify Physics

1 tim 34 min2 september 2024
Peter Woit, senior lecturer at Columbia and author of *Not Even Wrong*, critiques the failures of grand unified and string theories and argues that they have stalled the search for a unified physical law. He introduces a new four‑dimensional geometric approach based on spinors and Wick rotation as a possible path forward.- 00:00 - Introduction- 01:31 - Overview of Unification in Physics and the Standard Model- 05:11 - Historical Development of the Standard Model and its Success- 07:00 - Introduction to General Relativity and its Challenges- 09:32 - Unanswered Questions in the Standard Model (SU1, SU2, SU3)- 13:12 - Technical Issues in Quantum Field Theory and General Relativity- 17:24 - The Rise of Grand Unified Theories (GUTs)- 21:07 - Challenges and Failures of GUTs (Proton Decay)- 25:43 - Abandonment of GUTs and Introduction of Supersymmetry- 26:45 - Basics of Supersymmetry and Its Predictions- 31:28 - Failure of Supersymmetry (No Evidence for Superpartners)- 32:08 - Supergravity, Kaluza-Klein Theories, and Extra Dimensions- 35:52 - String Theory and the Unification Paradigm in the 1980s- 39:00 - Experimental Failures and the Lack of Evidence for String Theory- 41:00 - Ongoing Pursuit of Failed Theories and Resistance to New Ideas- 47:09 - The Shift in Attitudes Towards Unification Efforts in Physics- 48:13 - Introduction to Peter Woit's New Ideas on Unification- 52:32 - The Role of Four-Dimensional Geometry and Spinors in Unification- 58:11 - Wick Rotation and Differences Between Euclidean and Minkowski Space-Time- 1:03:05 - Technical Challenges in Wick Rotation and Quantum Field Theory- 1:09:01 - Unique Aspects of Spinors in Euclidean vs. Minkowski Space-Time- 1:14:38 - The Dirac Operator and its Role in Space-Time Symmetry- 1:18:02 - Relation to Supersymmetry and the Right-Handed Nature of Space-Time- 1:22:04 - Connection to Gravity and Loop Quantum Gravity (Ashtakar Variables)- 1:23:04 - Outro / Support TOESPONSORS:- Patreon: https://patreon.com/curtjaimungal (early access to ad-free audio episodes!)- Crypto: https://tinyurl.com/cryptoTOE- PayPal: https://tinyurl.com/paypalTOE- TOE Merch: https://tinyurl.com/TOEmerchRESOURCES:- Peter Woit’s first appearance on TOE: https://www.youtube.com/watch?v=9z3JYb_g2Qs- Peter Woit’s book on Quantum Theory and Representations: https://www.amazon.com/Quantum-Theory-Groups-Representations-Introduction/dp/3319646109- Peter Woit’s Papers - https://inspirehep.net/literature?sort=mostrecent&size=25&page=1&q=a%20P.Woit.1- Peter Woit’s Blog - https://www.math.columbia.edu/~woit/wordpress/- Peter Woit’s book “Not Even Wrong”: https://amzn.to/3X8c1pS- Become a YouTube Member Here: https://www.youtube.com/channel/UCdWIQh9DGG6uhJk8eyIFl1w/join- Join TOEmail at https://www.curtjaimungal.org- Instagram: https://www.instagram.com/theoriesofeverythingpod- TikTok: https://www.tiktok.com/@theoriesofeverything_- Twitter: https://twitter.com/TOEwithCurt- Discord Invite: https://discord.com/invite/kBcnfNVwqs- iTunes: https://podcasts.apple.com/ca/podcast/better-left-unsaid-with-curt-jaimungal/id1521758802- Pandora: https://pdora.co/33b9lfP- Spotify: https://open.spotify.com/show/4gL14b92xAErofYQA7bU4e- Subreddit r/TheoriesOfEverything: https://reddit.com/r/theoriesofeverything Theories of Everything with Curt Jaimungal features long-form, technically detailed interviews with leading researchers in physics, mathematics, consciousness, and philosophy, exploring topics at the level of active research. For academics, graduate students, and anyone seeking depth beyond popular science. FOLLOW: Substack | Spotify | YouTube | Twitter Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

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