Jan 5th-8th, 2016
Yukawa Institute for Theoretical Physics, Kyoto University
"Analysis of quantum Fisher information in de Sitter expansion"
Marcello Rotondo (INFN)
The evolution of a vacuum field in an expanding universe results in the creation of entangled particle states. We consider the case of a massless inflaton in de Sitter expansion and analyse the classical and quantum Fisher information of the Hubble scale parameter in order to find the optimisation of a chosen projective measurement operator.
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