How much negative energy does a wormhole need?

Details How much negative energy does a wormhole need? How much negative energy does a wormhole need?

1999-05-11

arxiv.org/abs/gr-qc/9905033v2

Phys.Lett. A260 (1999) 175-181

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, no figures

Scientific paper

10.1016/S0375-9601(99)00518-6

It is known that traversible wormholes require negative energy density. We here argue how much negative energy is needed for wormholes, using a local analysis which does not assume any symmetry. and in particular allows dynamic (non-stationary) but non-degenerate wormholes. We find that wormholes require two constraints on the energy density, given by two independent components of the Einstein equation.

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