Bertotti-Robinson thin-shell wormhole is physical but unstable

The European Physical Journal Plus - Tập 131 - Trang 1-6 - 2016
Z. Amirabi1
1Department of Physics, Eastern Mediterranean University, Gazimağusa, North Cyprus, Turkey

Tóm tắt

I construct a thin-shell wormhole in the spherically symmetric, static Bertotti-Robinson magnetic universe which is supported by normal matter in the sense that the energy conditions are all satisfied. Using the so called small velocity perturbation it is shown that this thin-shell wormhole is basically physical but unstable against radial perturbation.

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