Negative modes in the four-dimensional stringy wormholes

Abstract

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.

12 pages 2 figures, RevTeX

References in corpus (5)

• A Negative Mode About Euclidean Wormhole
• On dilaton dependence of type II superstring action
• Classical instanton and wormhole solutions of Type IIB string theory
• Extremal Branes as Elementary Particles
• Euclidean wormhole solutions of Einstein-Yang-Mills theory in diverse dimensions

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