Peter Woit: The Forgotten Geometry That Could Unify Physics

What this episode covers

I personally subscribe to The Economist. TOE listeners get 35% off the annual subscription. No other podcast has this! https://economist.com/TOE Peter Woit (Columbia senior lecturer, *Not Even Wrong*) on GUT/string failures and a 4D spinor/Wick-rotation approach.0:00 Introduction1:31 Overview of Unification in Physics and the Standard Model5:11 Historical Development of the Standard Model and its Success7:00 Introduction to General Relativity and its Challenges9:32 Unanswered Questions in the Standard Model (SU1, SU2, SU3)13:12 Technical Issues in Quantum Field Theory and General Relativity17:24 The Rise of Grand Unified Theories (GUTs)21:07 Challenges and Failures of GUTs (Proton Decay)25:43 Abandonment of GUTs and Introduction of Supersymmetry26:45 Basics of Supersymmetry and Its Predictions31:28 Failure of Supersymmetry (No Evidence for Superpartners)32:08 Supergravity, Kaluza-Klein Theories, and Extra Dimensions35:52 String Theory and the Unification Paradigm in the 1980s39:00 Experimental Failures and the Lack of Evidence for String Theory41:00 Ongoing Pursuit of Failed Theories and Resistance to New Ideas47:09 The Shift in Attitudes Towards Unification Efforts in Physics48:13 Introduction to Peter Woit's New Ideas on Unification52:32 The Role of Four-Dimensional Geometry and Spinors in Unification58:11 Wick Rotation and Differences Between Euclidean and Minkowski Space-Time1:03 05 Technical Challenges in Wick Rotation and Quantum Field Theory1:09 01 Unique Aspects of Spinors in Euclidean vs. Minkowski Space-Time1:14 38 The Dirac Operator and its Role in Space-Time Symmetry1:18 02 Relation to Supersymmetry and the Right-Handed Nature of Space-Time1:22 04 Connection to Gravity and Loop Quantum Gravity (Ashtakar Variables)1:23 04 Outro / Support TOESPONSORS:- Patreon: https://patreon.com/curtjaimungal- Crypto: https://nowpayments.io/donation/TOE- PayPal: https://tinyurl.com/paypalTOE- TOE Merch: https://tinyurl.com/TOEmerchRESOURCES:- Peter Woit [TOE]: https://youtu.be/9z3JYb_g2Qs- Peter Woit, Quantum Theory and Representations: https://amazon.com/dp/3319646109?tag=toe08-20- 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, “Not Even Wrong”: https://amzn.to/3X8c1pS- YouTube Membership: 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: 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

PodParley-generated summary based on available episode metadata and transcript content.