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Podcast Profile: Physics Frontiers

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77 episodes
2016 to 2024
Median: 43 minutes
Collection: Physics, Math, and Astronomy


Description (podcaster-provided):

Jim Rantschler and Randy Morrison discuss physics from elementary particles to cosmological effects at the limits of our theoretical knowledge or have recently emerged.


Themes and summary (AI-generated based on podcaster-provided show and episode descriptions):

➤ Quantum mechanics • Theoretical physics • Quantum computing • Cosmic phenomena • Fundamental theories • Particle physics • Entropy and information processing • Dark matter and energy • Gravitational theories

"Physics Frontiers" is a podcast that delves deeply into the frontiers of physics, exploring topics that push the boundaries of current understanding, from the smallest elementary particles to expansive cosmological phenomena. Hosted by Jim Rantschler and occasionally joined by Randy Morrison, the podcast presents discussions with experts and researchers across a spectrum of cutting-edge subjects in contemporary physics.

Recurring themes in the podcast include the intersection of quantum mechanics and other significant fields, such as quantum computing, machine learning, and cryptography. The show explores foundational questions and interpretations of quantum mechanics, including the Born Rule, Gleason's Theorem, and Consistent Histories. Another prevalent topic is the effort to unify gravity with quantum mechanics, addressing theories such as quantum gravity, optical gravity, loop quantum gravity, and effective field theories that pertain to general relativity.

The podcast frequently discusses theoretical implications and experimental evidence in fields like cosmology, exploring the primordial graviton background, the Hubble constant crisis, and the potential existence of multiverses. It also addresses high-energy particle physics, including discussions on the flavor unification of leptons, the properties of exotic particles like sterile neutrinos, and the implications of hypothetical particles such as the X17.

Entropic and informational aspects of physics are another focus, with topics that include the measurement problem, information processing and entropy, and the statistical mechanics theories explaining gravitational phenomena. Discussions also extend to specific, sometimes controversial, theoretical constructs such as Maxwellian ratchets, categorical probability theory, stochastic thermodynamics, and retrocausality.

The podcast also emphasizes advanced and theoretical aspects of relativity and gravitation, discussing post-Newtonian frameworks, alternatives to dark energy, and concepts that attempt to reconcile or expand on Einstein's theories, such as bimetric gravity and the Einstein-Cartan torsion field theory. The diverse and complex topics covered in "Physics Frontiers" aim to provide listeners with a profound and comprehensive understanding of the latest frontiers in physical sciences.


Episodes:
Episode 78: Quantum Machine Learning with Bruna Shinohara
2024-May-31
51 minutes
Episode 77: Maxwellian Ratchets with Alex Jurgens
2024-Mar-31
81 minutes
Episode 76: Undeciability and Theories of Everything with Claus Kiefer
2024-Jan-29
49 minutes
Episode 75: Categorical Probability and the Measurement Problem
2023-Aug-20
67 minutes
Episode 74: Stochastic Thermodynamics with David Wolpert
2023-Jul-09
50 minutes
Episode 73: Quantum Money with Jiahui Liu
2023-Jun-18
60 minutes
Episode 72: Born Rule and Gravity with Antony Valentini
2023-Apr-23
73 minutes
Episode 71: Primordial Graviton Background
2023-Feb-19
45 minutes
Episode 70: Path Integrals and Entanglement with Ken Wharton
2022-Dec-18
46 minutes
Episode 69: The Flavor Puzzle with Joe Davighi
2022-Nov-20
43 minutes
Episode 68: Quantum Resource Theories with Gilad Gour
2022-Sep-26
51 minutes
Episode 67: Optical Gravity with Matthew R. Edwards
2022-Aug-14
35 minutes
Episode 66: The Limit of General Relativity with James Owen Weatherall
2022-Jun-26
30 minutes
Episode 65: Causality, Time and the Experiment Paradox with Michal Eckstein
2022-May-22
65 minutes
Episode 64: Born's Rule with Blake Stacey
2022-Apr-24
29 minutes
Episode 63: Gleason's Theorem with Blake Stacey
2022-Mar-20
44 minutes
Episode 62: Deformed Special Relativity
2022-Feb-13
39 minutes
Episode 61: Dark Stars
2021-Oct-31
42 minutes
Episode 60: Warp Bubbles
2021-Sep-12
43 minutes
Episode 59: The Hubble Crisis
2021-Jul-05
48 minutes
Episode Image Episode 58: Phantom Matter
2021-Jun-06
38 minutes
Episode Image Episode 57: Quantum Effects in Gravitational Waves
2021-May-02
26 minutes
Episode Image Episode 56: Anomalous Magnetic Moment of the Muon
2021-Apr-01
44 minutes
Episode Image Episode 55: Multiversality
2020-Dec-07
37 minutes
Episode Image Episode 54: The ANITA Experiment
2020-Oct-18
45 minutes
Episode Image Electromagnetic Gravitational Repulsion
2020-Aug-17
41 minutes
Episode Image Sterile Neutrinos
2020-Jul-08
37 minutes
Episode Image Gravitational Wave Astronomy
2020-Jun-10
38 minutes
Episode Image X17
2020-May-03
38 minutes
Episode Image The Unruh Effect
2020-Apr-04
39 minutes
Episode Image The Gertsenshtein Effect
2020-Jan-19
40 minutes
Episode Image Bimetric Gravity
2019-Nov-24
46 minutes
Episode Image Wigner's Friend
2019-Sep-22
44 minutes
Episode Image Loop Quantum Gravity
2019-Aug-16
44 minutes
Episode Image Spooky Action at a Distance
2019-Jul-16
47 minutes
Episode Image The Positive Energy Theorem
2019-Jun-06
34 minutes
Episode Image Entropic Gravity
2019-May-04
36 minutes
Episode Image The Chameleon Field
2019-Feb-24
33 minutes
Episode Image The Octonions
2018-Dec-23
52 minutes
Episode Image Negative Effective Mass
2018-Dec-09
35 minutes
Episode Image The Dimensionality of Space-Time
2018-Nov-25
43 minutes
Episode Image The Einstein-Cartan Torsion Field Theory
2018-Oct-30
35 minutes
Episode Image The Metamaterial Stress Tensor
2018-Oct-15
42 minutes
Episode Image The String Theory Landscape
2018-Sep-22
42 minutes
Episode Image CPT Symmetry and Gravitation
2018-Aug-10
32 minutes
Episode Image Retrocausality
2018-Jul-25
34 minutes
Episode Image Tunneling Time
2018-Jul-07
47 minutes
Episode Image Post-Newtonian Gravitation
2018-Jun-08
41 minutes
Episode Image The Consistent Histories Interpretation of Quantum Mechanics
2018-May-24
46 minutes
Episode Image Gravitational Alternatives to Dark Energy
2018-May-16
46 minutes
Episode Image The Quantum Vacuum and the Casimir Effect
2018-Apr-25
41 minutes
Episode Image The Gravitational Equivalence Principles
2018-Apr-15
46 minutes
Episode Image Antimatter Production at a Potential Boundary
2018-Mar-25
39 minutes
Episode Image Gravitational Field Propulsion
2018-Mar-16
58 minutes
Episode Image The Island of Stability
2018-Feb-24
25 minutes
Episode Image Dark Energy
2018-Feb-09
73 minutes
Episode Image Weyl and Quasiparticles
2018-Jan-22
37 minutes
Episode Image The Origin of Inertia
2018-Jan-11
38 minutes
Episode Image Time Crystals
2017-Dec-22
62 minutes
Episode Image The 2T Physics of Itzhak Bars
2017-Dec-06
44 minutes
Episode Image The Physics of Time Travel
2017-Nov-24
43 minutes
Episode Image Stochastic Resonance Energy Harvesting
2017-Nov-06
37 minutes
Episode Image Five Proven Methods of Levitation
2017-Oct-21
47 minutes
Episode Image Stochastic Electrodynamics
2017-Oct-04
50 minutes
Episode Image Exotic Photon Trajectories in Quantum Mechanics
2017-Sep-14
26 minutes
Episode Image A Gravitational Arrow of Time
2017-Aug-20
41 minutes
Episode Image Photonic Molecules and Optical Circuits
2017-Jul-16
36 minutes
Episode Image Requirements for Alternative Gravity Theories
2017-Jul-01
48 minutes
Episode Image f(R) Theories of Gravity
2017-Jun-02
37 minutes
Episode Image Vacuum Fluctuations and the Casimir Effect
2017-Apr-27
47 minutes
Episode Image Virtual Gravitational Dipoles
2017-Mar-14
50 minutes
Episode Image General Relativity for the Experimentalist
2017-Feb-14
49 minutes
Episode Image Pilot Wave Hydrodynamics
2017-Jan-20
58 minutes
Episode Image Phononics
2017-Jan-05
47 minutes
Episode Image Gravitoelectromagnetism
2016-Dec-06
41 minutes
Episode Image The de Broglie-Bohm Interpretation of Quantum Mechanics
2016-Nov-15
30 minutes
Episode Image G4V: Four Vector Potential Gravitation
2016-Oct-31
44 minutes