On the properties of the transition matrix in bouncing cosmologies
Jan, 2004Citations per year
Abstract:
We elaborate further on the evolution properties of cosmological fluctuations through a bounce. We show this evolution to be describable either by ``transmission'' and ``reflection'' coefficients or by an effective unitary S-matrix. We also show that they behave in a time reversal invariant way. Therefore, earlier results are now interpreted in a different perspective and put on a firmer basis.- 98.70.Vc
- 98.80.Cq
- cosmological model
- S-matrix
- fluctuation
- time reversal: invariance
- Schroedinger equation
- unitarity
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