6 citations · 6 across the 1 of their papers we have counts for
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hep-th2005★ 6 cited
An effective theory of initial conditions in inflation
Hael Collins, R. Holman
We examine the renormalization of an effective theory description of a general initial state set in an isotropically expanding space-time, which is done to understand how to includ…
hep-th2004
The taming of the alpha-vacuum
Hael Collins
When examining a field theory in a general state, the propagator must be made consistent with that state and new counterterms are allowed if the state breaks some of the space-time…