In this episode Curt Jaimungal talks with Professor Felix Finster about his causal fermion systems framework, a radical approach that builds spacetime and quantum physics from underlying correlations. The conversation covers the Dirac sea, emergence of geometry, the Born rule, and implications for quantum gravity and cosmology.
- 00:00 - Introduction
- 03:12 - The Origins of Causal Fermion Systems
- 06:55 - Engaging with Alternative Theories in Physics
- 15:22 - The Standard View of Causation
- 18:21 - Classical, Quantum, and Pre-Quantum
- 23:06 - How Spacetime Emerges from Disconnected Points
- 29:49 - Recovering Lorentz Signature Without Assumptions
- 31:48 - Recovering the Born Rule from First Principles
- 39:39 - The Measurement Problem
- 46:20 - Bounds on CSL Parameters
- 49:45 - The Dynamics of Spacetime
- 57:47 - Collaboration with Yao and Reflections on the Theory
- 1:03:13 - A Quantum Gravity Theory Without Supersymmetry
- 1:05:28 - The Dirac Sea
- 1:11:40 - Addressing Infinite Energy in Semi-Classical Gravity
- 1:13:09 - Octonions in the Vacuum Structure
- 1:17:32 - Chirality and the Action Principle
- 1:20:33 - Baryogenesis and Why Matter Exists
- 1:35:10 - Rethinking the Strong CP and Hierarchy Problems
- 1:38:43 - Recognition, Collaboration, and Growing Attention
- 1:54:00 - Mathematical Criteria vs. Experimental Tests
- 2:01:02 - Advice for Young Researchers
RESOURCES:
- Felix's Papers: https://scholar.google.com/citations?user=F7ppNroAAAAJ
- Felix's Bio: https://www.uni-regensburg.de/mathematik/mathematik-1/startseite/index.html
- Causal Fermion Systems [Paper]: https://arxiv.org/pdf/2405.19254
- Linear Dynamics of Wave Functions [Paper]: https://arxiv.org/pdf/2101.08673
- The Principle of the Fermionic Projector [Book]: https://www.amazon.com/Principle-Fermionic-Projector-Advanced-Mathematics/dp/0821839748
- Baryogensis for Causal Fermion Systems [Paper]: https://arxiv.org/pdf/2111.05556
- Holographic Mixing [Paper]: https://arxiv.org/pdf/2410.18045
- Standard Model Physics from an Algebra? [Paper]: https://arxiv.org/pdf/1611.09182
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