Ramon Lapiedra et al 2007 J. Phys.: Conf. Ser. 66 012018 doi:10.1088/1742-6596/66/1/012018
Ramon Lapiedra, Juan Antonio Morales and Joan Josep Ferrando
Show affiliationsWe consider the question of properly defining energy and momenta for non asymptotic Minkowskian spaces in general relativity. Only those of these spaces which have zero energy, zero linear 3-momentum, and zero intrinsic angular momentum would be candidates to creatable universes, that is, to universes which could have arisen from a vacuum quantum fluctuation. Given a universe, we completely characterize the family of coordinate systems in which it would make sense saying that this universe can be a creatable universe.
Issue 1 (2007)
Ramon Lapiedra et al 2007 J. Phys.: Conf. Ser. 66 012018
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