Episode notes
Randy tells Jim about recent results in the description of the electromagnetic stress tensor in metamaterials. In particular, we discuss the efforts to computationally model the stress tensor in amorphous metamaterials. Show Notes: http://frontiers.physicsfm.com/36
Podcast
Physics Frontiers
Jim Rantschler · Tech & Science · English
Jim Rantschler and Randy Morrison discuss physics from elementary particles to cosmological effects at the limits of our theoretical knowledge or have recently emerged.
More from Physics Frontiers All episodes →
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24 Feb 2019 · 33 min
The Chameleon Field
Randy and Jim discuss the chameleon field -- a way to model dark energy with a scalar boson of varying strength. Show Notes: http://frontiers.physicsfm.com/41
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23 Dec 2018 · 53 min
The Octonions
Randy tells Jim about a way to use an extension of an extension of the complex numbers to reveal the nature of elementary particles. Show Notes: http://frontiers.physicsfm.com/40
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9 Dec 2018 · 36 min
Negative Effective Mass
Randy tells Jim about experiments with Neutrons and Photons in materials that exhibit negative effective mass. Not only do these effects show that the inertial mass of quasiparticles in a material can become negative, they show that these negative mass quasiparticles act like they have negative gravitational mass, as well. Show Notes: http://frontiers.physicsfm.com/39
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25 Nov 2018 · 44 min
The Dimensionality of Space-Time
Jim discusses why the world we observe is 4-dimensional with Randy. We discuss anthropic and fundamental reasons why we need 3 dimensions and no more than one time dimension for reasons of complexity, predictability and stability. Show Notes: http://frontiers.physicsfm.com/38
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30 Oct 2018 · 35 min
The Einstein-Cartan Torsion Field Theory
Randy explains to Jim theories on how to incorporate a native angular momentum into general relativity. Show Notes: http://frontiers.physicsfm.com/37
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22 Sep 2018 · 42 min
The String Theory Landscape
Jim and Randy explore the landscape of string theory in the anthropic manner put forward by Leonard Susskind. Show Notes: http:frontiers.physicsfm.com/35
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10 Aug 2018 · 32 min
CPT Symmetry and Gravitation
CPT Symmetry is a fundamental symmetry in the standard model. Jim and Randy discuss what happens when it is applied to general relativity. Show Notes: frontiers.physicsfm.com/34 [Really sorry for the muted tracks on the first upload. The problem has been fixed. - J]
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25 Jul 2018 · 35 min
Retrocausality
Jim and Randy look at how quantum mechanics is affected by time. Most importantly, what happens when temporal boundary conditions are used to create standing waves in the wave function of a particle? Show Notes: http://frontiers.physicsfm.com/33
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7 Jul 2018 · 47 min
Tunneling Time
Jim talks to Randy about the amount of time it takes for an electron to tunnel through a forbidden region of space. Astoundingly, how quickly this happens has been a subject of debate for eighty years and is still unresolved. Show Notes: http://frontiers.physicsfm.com/32
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8 Jun 2018 · 42 min
Post-Newtonian Gravitation
Jim discusses the Parameterized Post-Newtonian formalism with Randy. The PPN framework is a general, linearized metric theory of gravity that can simulate all metric theories of gravity and compare them to solar system sized experiments. Show Notes: http://frontiers.physicsfm.com/31
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