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Creation of a child universe by the shell radiating negative energy flux

Takashi Mishima-+, Hiromi Suzuki++ and Noriaki Yoshino++

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One possibility for the creation of a child universe by producing a false vacuum bubble in the laboratory is discussed. We obtain a simple equation of motion of the spherically symmetric thin shell of radiating out-going null energy flux. Analysing the equation, we show that the shell radiates negative energy flux and the false vacuum bubble becomes a child universe in the case of a certain kind of surface stress tensor.


PACS

98.80.Cq Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.)

04.25.-g Approximation methods; equations of motion

11.27.+d Extended classical solutions; cosmic strings, domain walls, texture

04.20.-q Classical general relativity

MSC

83C10 Equations of motion

83F05 Cosmology

83C05 Einstein's equations (general structure, canonical formalism, Cauchy problems)

Subjects

Gravitation and cosmology

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 8 (August 1997)

Received 5 September 1996, in final form 29 April 1997



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