Negative modes in the four-dimensional stringy wormholes

Details Negative modes in the four-dimensional stringy wormholes Negative modes in the four-dimensional stringy wormholes

1997-01-23

arxiv.org/abs/hep-th/9701116v2

Phys.Rev. D56 (1997) 6684-6687

Physics

High Energy Physics

High Energy Physics - Theory

12 pages 2 figures, RevTeX

Scientific paper

10.1103/PhysRevD.56.6684

We study the Giddings-Strominger wormholes in string theories. We found negative modes among O(4)-symmetric fluctuations about the non-singular wormhole background. Hence the stringy wormhole contribution to the euclidean functional integral is purely imaginary. This means that the stringy wormhole is a bounce (not an instanton) and describes the nucleation and growth of wormholes in the Minkowski spacetime.

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