GRBoondi: A code for evolving Generalized Proca
theories on arbitrary backgrounds

Fell, Shaun David Brocus; Heisenberg, Lavinia

doi:10.21105/joss.06888

JOSS

2024

DOI: 10.21105/joss.06888

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GRBoondi: A code for evolving Generalized Proca theories on arbitrary backgrounds

Shaun David Brocus Fell,

Lavinia Heisenberg

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2024

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Proca in an Expanding Universe

Fell,

Heisenberg

2024

Fortschritte der Physik

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The superradiant growth of massive vector fields in rotating black hole spacetimes has garnered significant attention in recent literature. However, the majority of these studies overlook the influence of a cosmological constant, which likely constitutes the primary energy content of our universe. In this paper, we extend recent research by incorporating a cosmological constant into the Einstein+Proca system and numerically evolving the resulting equations of motion. Utilizing the newly released GRBoondi numerical relativity code, designed specifically for the numerical evolution of (generalized) Proca fields, we discover that parameters causing a growing instability in the scenario transition to a decaying state when . This results in a more intriguing phenomenology. These simulations pave the way for future full Einstein+Proca simulations to explore the secular decay of the resultant cloud from gravitational emission.

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Proca in an Expanding Universe

Fell,

Heisenberg

2024

Fortschritte der Physik

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GRBoondi: A code for evolving Generalized Proca theories on arbitrary backgrounds

Cited by 1 publication

References 29 publications

Proca in an Expanding Universe

Proca in an Expanding Universe

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