35 citations · 41 across the 3 of their papers we have counts for
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gr-qc2014★ 4 cited
Unitary and non-unitary transitions around a cosmological bounce
Antonin Coutant
In this work, we investigate the notion of time and unitarity in the vicinity of a bounce in quantum cosmology, that is, a turning point for the scale factor. Because WKB methods d…
gr-qc2012★ 35 cited
Hawking radiation of massive modes and undulations
Antonin Coutant, Alessandro Fabbri, Renaud Parentani +2
We compute the analogue Hawking radiation for modes which posses a small wave vector perpendicular to the horizon. For low frequencies, the resulting mass term induces a total refl…