The quadrupole moment of compact binaries to the fourth post-Newtonian order: from source to canonical moment
نویسندگان
چکیده
As a crucial step towards the completion of fourth post-Newtonian (4PN) gravitational-wave generation from compact binary systems, we obtain expressions so-called "canonical" multipole moments source in terms "source" and "gauge" moments. The canonical describe propagation gravitational waves outside source's near zone, while gauge encode explicit information about matter source. Those two descriptions, sets or six moments, are isometric. We thus construct non-linear diffeomorphism between them up to third post-Minkowskian order, exhibit concrete expression mass-type quadrupole moment at 4PN order. This computation is one last missing pieces for determination phasing systems
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ژورنال
عنوان ژورنال: Classical and Quantum Gravity
سال: 2022
ISSN: ['1361-6382', '0264-9381']
DOI: https://doi.org/10.1088/1361-6382/ac840c