Bertotti-Robinson thin-shell wormhole is physical but unstable
Department of Physics, Eastern Mediterranean University, Gazimağusa, Mersin 10, North Cyprus, Turkey
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Revised: 6 July 2016
Accepted: 7 July 2016
Published online: 8 August 2016
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.
© Società Italiana di Fisica and Springer-Verlag Berlin Heidelberg, 2016