D2 brane as the wormhole and the number of the universes

TL;DR

This paper constructs four-dimensional wormhole solutions in type IIA string theory using D2 branes, exploring their conditions, dynamics, and implications for multiple universes and the cosmological constant.

Contribution

It introduces a novel method to realize wormholes in string theory via D2 branes and analyzes their properties and potential cosmological significance.

Findings

Wormhole solutions are derived from D2 branes in specific backgrounds.

Conditions for static and dynamic wormholes are established.

Implications for the multiverse and cosmological constant are discussed.

Abstract

We construct wormhole-like solutions in the type IIA string theory. These solutions represent wormholes in four-dimensions and are given by the D2 branes within appropraited backgrounds fields. We present the conditions on these fields which lead to the four-dimensional wormholes. In the special case we show how the particular solution in the type IIA theory leads to the dynamic wormhole. We also speculate about the number of universes and the cosmological constant.