Disintegration and expansion of wormholes

TL;DR

This paper analyzes the catastrophic expansion of spacelike wormholes, revealing their anisotropic deformation and challenging previous claims that such expansion leads to universe unification.

Contribution

It provides a detailed investigation of the deformation dynamics of expanding wormholes, showing their anisotropic features and refuting earlier assumptions about universe merging.

Findings

Wormhole deformation is highly anisotropic during expansion.

The transverse size increases while the corridor length decreases.

Expansion does not lead to the unification of connected universes.

Abstract

We consider the process of catastrophic expansion of a spacelike wormhole after a violation of its equilibrium state. The dynamics of deformation of the comoving reference frame is investigated. We show that the deformation has a very specific anisotropic feature. The statement made earlier by other authors, that in the process of expanding the wormhole connecting two universes these universes ultimately unite into one universe, is not correct. We show that the transverse size of the wormhole (its throat) increases and the length of the corridor decreases which does not correspond to the de Sitter model.