Post-Newtonian Gravitation

FromPhysics Frontiers

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Post-Newtonian Gravitation

FromPhysics Frontiers

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Length:

42 minutes

Released:

Jun 8, 2018

Format:

Podcast episode

Description

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

Released:

Jun 8, 2018

Format:

Podcast episode

Titles in the series (75)

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

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Pilot Wave Hydrodynamics: Randy and Jim discuss a physical analogy to quantum mechanics consisting of a droplet of fluid bo... by Physics Frontiers
58 min listen
f(R) Theories of Gravity: Jim and Randy discuss gravitational theories that modify general relativity by changing the actio... by Physics Frontiers
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The de Broglie-Bohm Interpretation of Quantum Mechanics: Jim talks to Randy about the pilot wave interpretation of quantum mechanics, which separates the ... by Physics Frontiers
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Photonic Molecules and Optical Circuits: Randy tells Jim about photonic molecules, pairs of photons that create bound states like molecule... by Physics Frontiers
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G4V: Four Vector Potential Gravitation: Randy talks to Jim about Carver Mead's G4V, a formulation of gravitation combining the equivalenc... by Physics Frontiers
44 min listen
Five Proven Methods of Levitation: Randy shows Jim five different ways in which a body can be levitated: by magnetism, by supercondu... by Physics Frontiers
47 min listen
Vacuum Fluctuations and the Casimir Effect: Jim and Randy discuss how vacuum fluctuations produce the van der Waals forces and the Casimir ef... by Physics Frontiers
48 min listen
The Origin of Inertia: Randy tells Jim about a scheme that uses Mach's Principle - the idea that there is a preferred ba... by Physics Frontiers
39 min listen
The 2T Physics of Itzhak Bars: Randy tells Jim about a theory that complements other theories of fundamental physics based upon ... by Physics Frontiers
45 min listen
Virtual Gravitational Dipoles: Randy discusses what the Cosmological implications of a negative gravitational mass would be with... by Physics Frontiers
51 min listen
Requirements for Alternative Gravity Theories: In this episode Jim and Randy talk about how to evaluate alternative gravity theories. What sort... by Physics Frontiers
48 min listen
Phononics: Randy tells Jim about the emerging field of Phononics: using quantum particles of heat in materia... by Physics Frontiers
48 min listen
The Chameleon Field: Randy and Jim discuss the chameleon field -- a way to model dark energy with a scalar boson of va... by Physics Frontiers
33 min listen
The Gravitational Equivalence Principles: Jim talks to Randy about the different ways in which the equivalence principle of general relativ... by Physics Frontiers
46 min listen
A Gravitational Arrow of Time: Jim and Randy discuss a cosmological theory that purports to find an explanation for the arrow of... by Physics Frontiers
41 min listen
Gravitoelectromagnetism: Randy talks to Jim about gravitoelectromagnetism. Based on the similarity between Newtonian grav... by Physics Frontiers
41 min listen
Exotic Photon Trajectories in Quantum Mechanics: Jim and Randy discuss strange trajectories observed in triple slit experiments with metallic plat... by Physics Frontiers
26 min listen
Weyl and Quasiparticles: Jim and Randy discuss quasiparticles recently found in condensed matter systems that mirror parti... by Physics Frontiers
37 min listen
Stochastic Electrodynamics: Randy explains Stochastic Electrodynamics to Jim, the theory that vacuum fluctuations are the cau... by Physics Frontiers
50 min listen
Stochastic Resonance Energy Harvesting: Randy tells Jim about ways in which external vibrations can be used to do useful work in large-sc... by Physics Frontiers
38 min listen
The Physics of Time Travel: Randy and Jim talk about traveling through through time, discussing relativity and, in particular... by Physics Frontiers
44 min listen
Dark Energy: Randy helps Jim get a handle on Dark Energy. Why do we need it? What could it be? What does it... by Physics Frontiers
73 min listen
Time Crystals: Jim talks to Randy about structures that are periodic in time like crystals are periodic in space... by Physics Frontiers
62 min listen
Wigner's Friend: Randy and Jim discuss experiments that purport to show that there is no such thing as objective r... by Physics Frontiers
45 min listen
Gravitational Field Propulsion: Randy introduces Jim to several ways in which people have theorized that gravity can be used to p... by Physics Frontiers
58 min listen
The Consistent Histories Interpretation of Quantum Mechanics: Jim and Randy discuss the consistent histories interpretation of quantum mechanics. The brainchil... by Physics Frontiers
46 min listen
The Quantum Vacuum and the Casimir Effect: Jim and Randy review two very convincing papers that make the claim that the Casimir effect is du... by Physics Frontiers
41 min listen
The Positive Energy Theorem: Randy introduces Jim to a refutation of the positive energy theorem in a universe with a cosmolog... by Physics Frontiers
34 min listen
The Dimensionality of Space-Time: Jim discusses why the world we observe is 4-dimensional with Randy. We discuss anthropic and fun... by Physics Frontiers
44 min listen
Gravitational Alternatives to Dark Energy: Jim and Randy discuss how modifications to general relativity can be used to mimic the effects of... by Physics Frontiers
47 min listen

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Episode 77: Maxwellian Ratchets with Alex Jurgens: Jim talks with Alex Jurgens about Maxwellian ratchets, automata that are similar to Maxwell's Dem... by Physics Frontiers
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Episode 72: The Born Rule and Gravity with Antony Valentini: Jim talks with Antony Valentini about the difficulties of interpretation of quantum mechanics in ... by Physics Frontiers
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Episode 71: Primordial Graviton Background: Jim talks with Sunny Vagnozzi about using the Primoridial Graviton Background to rule out all inf... by Physics Frontiers
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Episode 67: Optical Gravity with Matthew R. Edwards: Jim talks with Matthew R. Edwards about his theory of Optical Gravity.  This is a Le Sage mo... by Physics Frontiers
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Episode 66: The Limit of General Relativity with James Owen Weatherall: Jim talks with James Owen Weatherall about his work on viewing general relativity as an effective... by Physics Frontiers
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Episode 64: Born's Rule with Blake Stacey: Jim talks with Blake Stacey about recent attempts to replace Born's rule.  Born's rule is th... by Physics Frontiers
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Episode 62: Deformed Special Relativity: Jim and Randy talk about how special relativity might be amended to incorporate a minimum length ... by Physics Frontiers
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Episode 61: Dark Stars: Jim and Randy talk about alternatives to black holes without event horizons or singularities.Show... by Physics Frontiers
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Episode 60: Warp Bubbles: Randy tells Jim about developments of metrics describing isolated spacetime bubbles that could, p... by Physics Frontiers
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Episode 59: The Hubble Crisis: Randy and Jim discuss the current tension between measurements of the Hubble constant by differen... by Physics Frontiers
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Episode 58: Phantom Matter: Jim and Randy talk about the Higgs portal to dark matter and the nightmare scenario for particle ... by Physics Frontiers
38 min listen
Episode 57: Quantum Effects in Gravitational Waves: Randy and Jim talk about two proposals to use gravitational wave interferometry to show that grav... by Physics Frontiers
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Episode 56: Anomalous Magnetic Moment of the Muon: Jim and Randy discuss the measurements of the anomalous magnetic moment of the muon and some of t... by Physics Frontiers
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Episode 55: Multiversality by Physics Frontiers
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Episode 54: The ANITA Experiment: Randy and Jim talk about the strange results of the ANITA experiment: tau neutrinos that seem to ... by Physics Frontiers
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Electromagnetic Gravitational Repulsion: Randy tells Jim about ways in which electromagnetism reduces the gravitational attraction caused ... by Physics Frontiers
41 min listen
Sterile Neutrinos: Jim and Randy discuss the hypothesis of sterile neutrinos, neutrinos that are even more ghostly t... by Physics Frontiers
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Gravitational Wave Astronomy: Jim and Randy talk about gravitational waves. by Physics Frontiers
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X17: Jim and Randy discuss a possible "fifth force," the hypothetical X17 particle that has been seen ... by Physics Frontiers
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The Unruh Effect by Physics Frontiers
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The Gertsenshtein Effect: Randy introduces Jim to the Gertsenshtein effect, the conversion of gravitational waves to electr... by Physics Frontiers
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Post-Newtonian Gravitation

Post-Newtonian Gravitation

Description

Titles in the series (75)

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