Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-09-16
Phys.Lett.B683:1-6,2010
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
7 pages, 3 figures
Scientific paper
10.1016/j.physletb.2009.11.058
In this paper, we study the role of coherent states in the realm of quantum cosmology, both in a second-quantized single universe and in a third-quantized quantum multiverse. In particular, most emphasis will be paid to the quantum description of multiverses made up of accelerated universes. We have shown that the quantum states involved at a quantum mechanical multiverse whose single universes are accelerated are given by squeezed states having no classical analogs.
González-Díaz Pedro F.
Hassouni Yassine
Robles-Perez Salvador
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