We consider the wormhole of Ellis, Bronnikov, Morris and Thorne, arising from Einstein’s equations in presence of a phantom scalar field. In this paper we propose a simplified derivation of the linear instability of this system, making comparisons with previous works on this subject (and generalizations) by González, Guzmán, Sarbach, Bronnikov, Fabris and Zhidenko.
On the linear instability of the Ellis–Bronnikov–Morris–Thorne wormhole / F. Cremona, F. Pirotta, L. Pizzocchero. - In: GENERAL RELATIVITY AND GRAVITATION. - ISSN 0001-7701. - 51:1(2019), pp. 19.1-19.15. [10.1007/s10714-019-2501-x]
On the linear instability of the Ellis–Bronnikov–Morris–Thorne wormhole
F. Cremona;L. Pizzocchero
2019
Abstract
We consider the wormhole of Ellis, Bronnikov, Morris and Thorne, arising from Einstein’s equations in presence of a phantom scalar field. In this paper we propose a simplified derivation of the linear instability of this system, making comparisons with previous works on this subject (and generalizations) by González, Guzmán, Sarbach, Bronnikov, Fabris and Zhidenko.
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