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Radiation reaction for spinning bodies in effective field theory. II. Spin-spin effects

Maia, Natália T. and Galley, Chad R. and Leibovich, Adam K. and Porto, Rafael A. (2017) Radiation reaction for spinning bodies in effective field theory. II. Spin-spin effects. Physical Review D, 96 (8). Art. No. 084065. ISSN 2470-0010. doi:10.1103/PhysRevD.96.084065.

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We compute the leading post-Newtonian (PN) contributions at quadratic order in the spins to the radiation-reaction acceleration and spin evolution for binary systems, entering at four-and-a-half PN order. Our calculation includes the backreaction from finite-size spin effects, which is presented for the first time. The computation is carried out, from first principles, using the effective field theory framework for spinning extended objects. At this order, nonconservative effects in the spin-spin sector are independent of the spin supplementary conditions. A nontrivial consistency check is performed by showing that the energy loss induced by the resulting radiation-reaction force is equivalent to the total emitted power in the far zone. We find that, in contrast to the spin-orbit contributions (reported in a companion paper), the radiation reaction affects the evolution of the spin vectors once spin-spin effects are incorporated.

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Additional Information:© 2017 American Physical Society. Received 31 May 2017; published 30 October 2017. N. T. M. is supported by the Brazilian Ministry of Education (CAPES Foundation). C. R. G. is supported by NSF Grant No. PHY-1404569 to Caltech. A. K. L. is supported by NSF Grant No. PHY-1519175. R. A. P. is supported by the Simons Foundation and São Paulo Research Foundation (FAPESP) Young Investigator Awards, Grants No. 2014/25212-3 and No. 2014/10748-5. R. A. P. also thanks the theory group at DESY (Hamburg) for hospitality while this work was being completed. Part of this research was performed at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.
Group:Walter Burke Institute for Theoretical Physics
Funding AgencyGrant Number
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)UNSPECIFIED
Simons FoundationUNSPECIFIED
Fundação de Amparo à Pesquisa do Estado de Sao Paulo (FAPESP)2014/25212-3
Fundação de Amparo à Pesquisa do Estado de Sao Paulo (FAPESP)2014/10748-5
Issue or Number:8
Record Number:CaltechAUTHORS:20171030-160058774
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82796
Deposited By: Tony Diaz
Deposited On:30 Oct 2017 23:10
Last Modified:15 Nov 2021 19:53

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