Field sources for wormholes with multiple throats/anti-throats

Abstract In this work, we investigate wormhole geometries with multiple throats and anti-throats in general relativity. The existence of these structures is identified through the analysis of minima and maxima in the area of the solution. Using embedding diagrams, we visualize the geometry and demonstrate that these objects exhibit a complex structure, distinct from standard single-throat wormholes. We further analyze the geodesic motion in such spacetimes. The solutions are derived from Einstein’s equations by coupling a phantom scalar field to nonlinear electrodynamics, and we show that distinct scalar field profiles can generate the same spacetime geometry. Additionally, we examine the energy conditions and demonstrate that, for specific parameter choices, all energy conditions can be partially satisfied in certain regions of spacetime.

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Publication Details

Journal
Classical and Quantum Gravity
Published
2025-04-08
DOI
https://doi.org/10.1088/1361-6382/adc654
Citations
3
Primary Topic
Pulsars and Gravitational Waves Research
Type
article
Field-Weighted Citation Impact
3.46

Funders

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article

Field sources for wormholes with multiple throats/anti-throats

Marcos V. de S. Silva, Diego Sáez-Chillón Gómez, C. R. Muniz, Tiago M. Crispim
3 citations
Classical and Quantum Gravity
Pulsars and Gravitational Waves Research
3.46
article

Field sources for wormholes with multiple throats/anti-throats

Marcos V. de S. Silva, Diego Sáez-Chillón Gómez, C. R. Muniz, Tiago M. Crispim
article en
3 citations

Abstract

Abstract In this work, we investigate wormhole geometries with multiple throats and anti-throats in general relativity. The existence of these structures is identified through the analysis of minima and maxima in the area of the solution. Using embedding diagrams, we visualize the geometry and demonstrate that these objects exhibit a complex structure, distinct from standard single-throat wormholes. We further analyze the geodesic motion in such spacetimes. The solutions are derived from Einstein’s equations by coupling a phantom scalar field to nonlinear electrodynamics, and we show that distinct scalar field profiles can generate the same spacetime geometry. Additionally, we examine the energy conditions and demonstrate that, for specific parameter choices, all energy conditions can be partially satisfied in certain regions of spacetime.

Classical and Quantum GravityVol. 42(8)
Universidade Estadual do Ceará (BR), Universidad de Valladolid (ES), Universidade Federal do Ceará (BR)
Conselho Nacional de Desenvolvimento Científico e Tecnológico, Fundação Cearense de Apoio ao Desenvolvimento Científico e Tecnológico, Consejería de Educación, Junta de Castilla y León, European Regional Development Fund
Openalex Percentile: Top 8%
Pulsars and Gravitational Waves Research
3.46
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