Theory-agnostic parametrization of wormhole spacetimes

Proceedings of RAGtime / Theory-agnostic parametrization of wormhole spacetimes

Theory-agnostic parametrization of wormhole spacetimes

Authors

Thomas D. Pappas

Abstract

We present a generalization of the Rezzolla-Zhidenko theory-agnostic parametrization of black-hole spacetimes to accommodate spherically-symmetric Lorentzian, traversable wormholes (WHs) in an arbitrary metric theory of gravity. By applying our parametrization to various known WH metrics and performing calculations involving shadows and quasinormal modes, we show that only a few parameters are important for finding potentially observable quantities in a WH spacetime.

Keywords

Wormholes – theory-agnostic parametrization – wormhole shadows – quasinormal modes

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