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gr-qc2007
Inflation in a Symmetric Vacuum
Kevin Cahill
If in a finite universe, the tree-level vacuum is a symmetric superposition of coherent states, in each of which the inflaton field assumes a different, energy-minimizing mean valu…
gr-qc1993
The Fourth Root of Gravity
Kevin Cahill
By attaching basis vectors to the components of matter fields, one may render free action densities fully covariant. Both the connection and the tetrads are quadratic forms in thes…