Y Fujiwara et al 1992 Class. Quantum Grav. 9 867 doi:10.1088/0264-9381/9/4/005
Y Fujiwara, S Higuchi, A Hosoya, T Mishima and M Siino
Show affiliationsThe authors have shown explicit examples of topology change of the universe by quantum tunnelling in the (2+1)-dimensional quantum gravity. They show that mass points can be created in pairs as spacetime defects in the course of the topology changing processes.
04.20.Gz Spacetime topology, causal structure, spinor structure
04.25.Nx Post-Newtonian approximation; perturbation theory; related approximations
83C75 Space-time singularities, cosmic censorship, etc.
83C05 Einstein's equations (general structure, canonical formalism, Cauchy problems)
Issue 4 (April 1992)
Y Fujiwara et al 1992 Class. Quantum Grav. 9 867
C. Burrage et al JCAP11(2009)002
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