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Towards numerical relativity in scalar Gauss-Bonnet gravity: 3+1 decomposition beyond the small-coupling limit

Research output: Contribution to journal › Article › peer-review

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Towards numerical relativity in scalar Gauss-Bonnet gravity : 3+1 decomposition beyond the small-coupling limit. / Witek, Helvi; Gualtieri, Leonardo; Pani, Paolo.

In: Physical Review D, Vol. 101, No. 12, 124055, 15.06.2020.

Research output: Contribution to journal › Article › peer-review

Harvard

Witek, H, Gualtieri, L & Pani, P 2020, 'Towards numerical relativity in scalar Gauss-Bonnet gravity: 3+1 decomposition beyond the small-coupling limit', Physical Review D, vol. 101, no. 12, 124055. https://doi.org/10.1103/PhysRevD.101.124055

APA

Witek, H., Gualtieri, L., & Pani, P. (2020). Towards numerical relativity in scalar Gauss-Bonnet gravity: 3+1 decomposition beyond the small-coupling limit. Physical Review D, 101(12), [124055]. https://doi.org/10.1103/PhysRevD.101.124055

Vancouver

Witek H, Gualtieri L, Pani P. Towards numerical relativity in scalar Gauss-Bonnet gravity: 3+1 decomposition beyond the small-coupling limit. Physical Review D. 2020 Jun 15;101(12). 124055. https://doi.org/10.1103/PhysRevD.101.124055

Author

Witek, Helvi ; Gualtieri, Leonardo ; Pani, Paolo. / Towards numerical relativity in scalar Gauss-Bonnet gravity : 3+1 decomposition beyond the small-coupling limit. In: Physical Review D. 2020 ; Vol. 101, No. 12.

Bibtex Download

@article{d6e7acd1d2754826ab3871a7736c8574,
title = "Towards numerical relativity in scalar Gauss-Bonnet gravity: 3+1 decomposition beyond the small-coupling limit",
abstract = "Scalar Gauss-Bonnet gravity is the only theory with quadratic curvature corrections to general relativity whose field equations are of second differential order. This theory allows for nonperturbative dynamical corrections and is therefore one of the most compelling case studies for beyond-general relativity effects in the strong-curvature regime. However, having second-order field equations is not a guarantee for a healthy time evolution in generic configurations. As a first step toward evolving black-hole binaries in this theory, we here derive the 3+1 decomposition of the field equations for any (not necessarily small) coupling constant, and we discuss potential challenges of its implementation.",
author = "Helvi Witek and Leonardo Gualtieri and Paolo Pani",
year = "2020",
month = jun,
day = "15",
doi = "10.1103/PhysRevD.101.124055",
language = "English",
volume = "101",
journal = "Physical Review D (Particles, Fields, Gravitation and Cosmology)",
issn = "1550-7998",
publisher = "American Physical Society",
number = "12",

}

RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Towards numerical relativity in scalar Gauss-Bonnet gravity

T2 - 3+1 decomposition beyond the small-coupling limit

AU - Witek, Helvi

AU - Gualtieri, Leonardo

AU - Pani, Paolo

PY - 2020/6/15

Y1 - 2020/6/15

N2 - Scalar Gauss-Bonnet gravity is the only theory with quadratic curvature corrections to general relativity whose field equations are of second differential order. This theory allows for nonperturbative dynamical corrections and is therefore one of the most compelling case studies for beyond-general relativity effects in the strong-curvature regime. However, having second-order field equations is not a guarantee for a healthy time evolution in generic configurations. As a first step toward evolving black-hole binaries in this theory, we here derive the 3+1 decomposition of the field equations for any (not necessarily small) coupling constant, and we discuss potential challenges of its implementation.

AB - Scalar Gauss-Bonnet gravity is the only theory with quadratic curvature corrections to general relativity whose field equations are of second differential order. This theory allows for nonperturbative dynamical corrections and is therefore one of the most compelling case studies for beyond-general relativity effects in the strong-curvature regime. However, having second-order field equations is not a guarantee for a healthy time evolution in generic configurations. As a first step toward evolving black-hole binaries in this theory, we here derive the 3+1 decomposition of the field equations for any (not necessarily small) coupling constant, and we discuss potential challenges of its implementation.

UR - http://www.scopus.com/inward/record.url?scp=85089346500&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.101.124055

DO - 10.1103/PhysRevD.101.124055

M3 - Article

AN - SCOPUS:85089346500

VL - 101

JO - Physical Review D (Particles, Fields, Gravitation and Cosmology)

JF - Physical Review D (Particles, Fields, Gravitation and Cosmology)

SN - 1550-7998

IS - 12

M1 - 124055

ER -

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