2010

Generation of a bubble universe using a negative energy bath

Hwang, Dong-il, Yeom, Dong-han

Understand

This paper suggests a model for a bubble universe using buildable false vacuum bubbles.

We study the causal structures of collapsing false vacuum bubbles using double-null simulations.
False vacuum bubbles violate the null energy condition and emit negative energy along the outgoing direction through semi-classical effects.
If there are a few collapsing false vacuum bubbles and they emit negative energy to a certain region, then the region can be approximated by a negative energy bath, which means the region is homogeneously filled by negative energy.

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