Quantum state inside a vacuum bubble and the creation of an open universe

Details Quantum state inside a vacuum bubble and the creation of an open universe Quantum state inside a vacuum bubble and the creation of an open universe

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phlb..317..510s&link_type=abstract

Physics Letters B, Volume 317, Issue 4, p. 510-516.

Physics

70

Scientific paper

Using a prescription to obtain the quantum state of a scalar field during and after false vacuum decay, we consider a simple model in which the scalar field interacts with a thin-wall vacuum bubble. We find the state inside the bubble is Lorentz-invariant but has non-vanishing energy density. We argue that this result can be interpreted as the creation of a homogeneous and isotropic open universe with high entropy.

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