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On Aug 5, 2011, at 2:30 PM, Paul Zielinski wrote:

Feynman in his lectures on gravitation builds Einstein's GR from his diagrams starting with a non-dynamical globally flat background like what I just used in the tetrad Fourier transforms ---> convolutions for products in the universal minimal coupling of gravity to all matter fields.

As I recall Feynman found the same kind of non-analytic phase transition as one sees in BCS theory of superconductivity.

That is, in order to get the complete classical theory

Guv + kTuv = 0

he had to sum an infinite series of I think tree diagrams - those with loops being quantum gravity corrections - as I recall.

In effect this may be a model for the inflation vacuum phase transition when gravity comes into being as a collective mode in a kind of bootstrap. The false vacuum having no tensor gravity at all just zero rest mass leptons, quarks and internal symmetry gauge bosons.

Category: MyBlog

Written by Jack Sarfatti

Published on Friday, 05 August 2011 15:11

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