General Relativity and Quantum Cosmology
[Submitted on 3 Jun 2018 (v1), last revised 19 Aug 2018 (this version, v4)]
Title:Gravitational radiation in Infinite Derivative Gravity and connections to Effective Quantum Gravity
View PDFAbstract:The Hulse-Taylor binary provides possibly the best test of GR to date. We find the modified quadrupole formula for Infinite Derivative Gravity (IDG). We extend the backreaction formula for propagation of gravitational waves, found previously for Effective Quantum Gravity (EQG) for a flat background and extend this calculation to a de Sitter background for both EQG and IDG. We put tighter constraints on EQG using new LIGO data. We also find the power emitted by a binary system within the IDG framework for both circular and elliptical orbits and use the example of the Hulse-Taylor binary. IDG predicts a slightly lower power than GR, which is exactly the observed result. We also find a lower bound on our mass scale of $M>4.0$ keV, which is $10^6$ larger than the previous result.
Submission history
From: James Edholm [view email][v1] Sun, 3 Jun 2018 17:58:38 UTC (28 KB)
[v2] Wed, 6 Jun 2018 18:06:09 UTC (28 KB)
[v3] Tue, 19 Jun 2018 14:54:38 UTC (29 KB)
[v4] Sun, 19 Aug 2018 12:45:50 UTC (30 KB)
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