Example of a stable wormhole in general relativity - INSPIRE

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Example of a stable wormhole in general relativity

Dec 25, 2013

6 pages

Published in:

Grav.Cosmol. 19 (2013) 269-274

Published: 2013

e-Print:

1312.6929 [gr-qc]

DOI:

10.1134/S0202289313040038

View in:

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Abstract: (arXiv)

We study a static, spherically symmetric wormhole model whose metric coincides with that of the so-called Ellis wormhole but the material source of gravity consists of a perfect fluid with negative density and a source-free radial electric or magnetic field. For a certain class of fluid equations of state, it has been shown that this wormhole model is linearly stable under both spherically symmetric perturbations and axial perturbations of arbitrary multipolarity. A similar behavior is predicted for polar nonspherical perturbations. It thus seems to be the first example of a stable wormhole model in the framework of general relativity (at least without invoking phantom thin shells as wormhole sources).

Note:

6 pages, no figures

wormhole: stability
symmetry: rotation
perturbation: axial
stability: linear
fluid: equation of state
wormhole: static

References(22)

Figures(0)

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