109 citations · 641 across the 13 of their papers we have counts for
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gr-qc2005
Two Tunnels to Inflation
Anthony Aguirre, Matthew C. Johnson
We investigate the formation via tunneling of inflating (false-vacuum) bubbles in a true-vacuum background, and the reverse process. Using effective potentials from the junction co…
gr-qc2003
Inflation without a beginning: a null boundary proposal
Anthony Aguirre, Steven Gratton
We develop our recent suggestion that inflation may be made past eternal, so that there is no initial cosmological singularity or "beginning of time". Inflation with multiple vacua…