Wormholes with a space- and time-dependent equation of state

TL;DR

This paper explores exact wormhole solutions in a spherically symmetric spacetime with a dynamic, space- and time-dependent equation of state, extending previous static models supported by phantom energy.

Contribution

It introduces a general framework for wormholes with evolving equations of state, broadening the understanding of their possible configurations.

Findings

Derived exact, general solutions for dynamic wormholes.

Extended static phantom energy wormhole models to dynamic cases.

Provided insights into the role of evolving equations of state in wormhole stability.

Abstract

The discovery that the Universe is undergoing an accelerated expansion has suggested the existence of an evolving equation of state. This paper discusses various wormhole solutions in a spherically symmetric spacetime with an equation of state that is both space and time dependent. The solutions obtained are exact and generalize earlier results on static wormholes supported by phantom energy.