Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity

Hölscher P (2019)
Physical Review D 99(6): 064039.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
We investigate the degrees of freedom which contribute to the gravitational radiation in a general class of higher derivative gravity models. First, we linearize the theory for a flat background metric in Teyssandier gauge. The higher-order derivative field equations for the metric perturbation can be reduced to three field equations of second order for a massive spin-0 field, a massless spin-2 field and a massive spin-2 field. In general, this theory contains eight degrees of freedom, which contribute to the gravitational radiation. One degree of freedom from the massive spin-0 field, two from the massless spin-2 field and five from the massive spin-2 field. We show that for all three fields only the quadrupole moment contributes to the gravitational radiation from an idealized binary system. Especially, for the massive spin-2 field we demonstrate that the harmonic gauge condition is induced dynamically and only the two transverse modes are excited.
Erscheinungsjahr
Zeitschriftentitel
Physical Review D
Band
99
Ausgabe
6
Art.-Nr.
064039
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Hölscher P. Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity. Physical Review D. 2019;99(6): 064039.
Hölscher, P. (2019). Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity. Physical Review D, 99(6), 064039. doi:10.1103/PhysRevD.99.064039
Hölscher, P. (2019). Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity. Physical Review D 99:064039.
Hölscher, P., 2019. Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity. Physical Review D, 99(6): 064039.
P. Hölscher, “Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity”, Physical Review D, vol. 99, 2019, : 064039.
Hölscher, P.: Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity. Physical Review D. 99, : 064039 (2019).
Hölscher, Patric. “Gravitational Waves and Degrees of Freedom in Higher Derivative Gravity”. Physical Review D 99.6 (2019): 064039.

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arXiv: 1806.09336

Inspire: 1679419

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