Theories of Everything with Curt Jaimungal
Theories of Everything with Curt Jaimungal
Theories of Everything
Philip Mannheim: The Story of Conformal Gravity
2 hour 36 minutes Posted Jul 6, 2026 at 8:24 pm.
Einstein's Relativity Foundations
Riemann Tensor and Curvature
Flaws in Einstein's Equations
Quantum Gravity Renormalizability
Conformal Symmetry Principles
Dynamical Mass Generation
Inflation and Horizon Problems
Renormalization Group Fixed Points
Composite Higgs Solution
Weyl Tensor Action
Solving Dark Matter
Cosmic Coincidence Problem
Hubble Tension and Redshift
PT Symmetry and Ghosts
Probability Conservation vs. Hermiticity
CPT Theorem and Fermions
Quantum Decays and Resonances
Parity and Right-Handed Neutrinos
Gravitons and Wavefunction Collapse
Cyclic Universes and Singularities
String Theory Fine-Tuning
Unitarity and Poincaré Stresses
Gravitational Lensing and Tenure
Nature and Experimental Data
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This podcast is about dark matter — and Professor Philip Mannheim thinks it isn't missing at all, just hiding in plain sight as the rest of the visible universe. In his first-ever podcast, on ideas he's pursued since 1972, Mannheim lays out conformal gravity: a theory built on Weyl symmetry rather than Einstein's equations, which explains galaxy rotation curves without dark matter, tames the cosmological constant, and fits the accelerating universe without fine-tuning. With longtime collaborator Carl Bender, he also resolves gravity's infamous "ghost" problem using PT symmetry instead of Hermiticity — suggesting the graviton may not even exist as a particle. I hope you enjoy.
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LINKS MENTIONED:
- Philip's Papers: https://inspirehep.net/authors/998943
- Newton's Law Of Gravity: https://en.wikipedia.org/wiki/Newton%27s_law_of_universal_gravitation
- Geodesics: https://en.wikipedia.org/wiki/Geodesics_in_general_relativity
- Equivalence Principle: https://en.wikipedia.org/wiki/Equivalence_principle
- Introduction To General Relativity [Book]: https://amazon.com/dp/0070004234?tag=toe08-20
- Foundation Of The General Theory Of Relativity [Paper]: https://isidore.co/misc/Physics%20papers%20and%20books/St.%20John's%20College's,%20TAC's%20curricula's,%20et%20alii%20sci.%20papers/1916-%20The%20Foundation%20of%20the%20General%20Theory%20of%20Relativity%20(Einstein).pdf
- Dynamical Symmetry Breaking As A Bootstrap [Paper]: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.12.1772
- Dynamics Of The Universe And Spontaneous Symmetry Breaking [Paper]: https://ui.adsabs.harvard.edu/abs/1980ApJ...241L..59K/abstract
- Mass Generation, The Cosmological Constant Problem, Conformal Symmetry, And The Higgs Boson [Paper]: https://arxiv.org/abs/1610.08907
- Living Without Supersymmetry [Paper]: https://arxiv.org/abs/1506.01399
- Exact Vacuum Solution To Conformal Weyl Gravity And Galactic Rotation Curves [Paper]: https://ui.adsabs.harvard.edu/abs/1989ApJ...342..635M/abstract
- No-Ghost Theorem For The Pais-Uhlenbeck Oscillator [Paper]: https://arxiv.org/abs/0706.0207
- Fitting Galactic Rotation Curves With Conformal Gravity [Paper]: https://arxiv.org/abs/1011.3495
- Cosmic Coincidence Problem: https://en.wikipedia.org/wiki/Cosmic_coincidence_problem
- Cosmological Perturbations In Conformal Gravity [Paper]: https://arxiv.org/pdf/1109.4119
- Implications Of Cosmic Repulsion For Gravitational Theory [Paper]: https://arxiv.org/abs/astro-ph/9804335
- Exact Solution To Perturbative Conformal Cosmology [Paper]: https://arxiv.org/abs/2101.02608
- CPT Symmetry Without Hermiticity [Paper]: https://arxiv.org/abs/1611.02100
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