Phys. Rev. D 77, 125002 (2008) [7 pages]Universe out of a breathing bubbleSee Also: Erratum Received 3 March 2008; published 2 June 2008 We consider the model of a false-vacuum bubble with a thin wall where the surface energy density is composed of two different components, “domain-wall” type and “dust” type, with opposite signs. We find stably oscillating solutions, which we call “breathing bubbles.” By decay to a lower mass state, such a breathing bubble could become either (i) a child universe or ii) a bubble that “eats up” the original universe, depending on the sign of the surface energy of the domain-wall component. We also discuss the effect of the finite-thickness corrections to the thin-wall approximation and possible origins of the energy contents of our model. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.77.125002
DOI:
10.1103/PhysRevD.77.125002
PACS:
11.27.+d, 04.70.Bw, 98.80.Cq
See AlsoErratum: Eduardo I. Guendelman and Nobuyuki Sakai, Erratum: Universe out of a breathing bubble [Phys. Rev. D 77, 125002 (2008)], Phys. Rev. D 80, 049901 (2009). |
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