109 citations · 641 across the 13 of their papers we have counts for
7 papers · 1 filter
Surviving the crash: assessing the aftermath of cosmic bubble collisions
Anthony Aguirre, Matthew C Johnson, Martin Tysanner
This paper is the third in a series investigating the possibility that if we reside in an inflationary "bubble universe", we might observe the effects of collisions with other such…
Eternal Inflation, past and future
Anthony Aguirre
Cosmological inflation, if it occurred, radically alters the picture of the `big bang', which would merely point to reheating at the end of inflation. Moreover, this reheating may…
Towards observable signatures of other bubble universes II: Exact solutions for thin-wall bubble collisions
Anthony Aguirre, Matthew C Johnson
We assess the effects of a collision between two vacuum bubbles in the thin-wall limit. After describing the outcome of a generic collision possessing the expected hyperbolic symme…
Towards observable signatures of other bubble universes
Anthony Aguirre, Matthew C Johnson, Assaf Shomer
We evaluate the possibility of observable effects arising from collisions between vacuum bubbles in a universe undergoing false-vacuum eternal inflation. Contrary to conventional w…
Measures on transitions for cosmology from eternal inflation
Anthony Aguirre, Steven Gratton, Matthew C Johnson
We argue that in the context of eternal inflation in the landscape, making predictions for cosmological -- and possibly particle physics -- observables requires a measure on the po…
Hurdles for Recent Measures in Eternal Inflation
Anthony Aguirre, Steven Gratton, Matthew C Johnson
In recent literature on eternal inflation, a number of measures have been introduced which attempt to assign probabilities to different pocket universes by counting the number of e…