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Nonlocal-in-time action for the fourth post-Newtonian conservative dynamics of two-body systems

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Damour, Thibault, Jaranowski, Piotr, Schäfer, Gerhard·2014·Physical Review D

Abstract

We complete the analytical determination, at the 4th post-Newtonian (4PN) approximation, of the conservative dynamics of gravitationally interacting two-point-mass systems. This completion is obtained by resolving the infra-red ambiguity which had blocked a previous 4PN calculation [P. Jaranowski and G. Sch\"afer, Phys. Rev. D 87, 081503(R) (2013)] by taking into account the 4PN breakdown of the usual near-zone expansion due to infinite-range tail-transported temporal correlations found long ago [L. Blanchet and T. Damour, Phys. Rev. D 37, 1410 (1988)]. This leads to a Poincar\'e-invariant 4PN-accurate effective action for two masses, which mixes instantaneous interaction terms (described by a usual Hamiltonian) with a (time-symmetric) nonlocal-in-time interaction.

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Metadata

Authors
Damour, T., Jaranowski, P., & Schäfer, G.
Venue
Physical Review D
Published
2014-03-26
Volume
89
Issue
6
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
OpenAlex
W1971141770
Cited by
298
References
0
FWCI
12.91
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Nonlocal-in-time action for the fourth post-Newtonian conservative dynamics of two-body systems. https://app.cochat.ai/papers/10.1103/physrevd.89.064058
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Damour, T., Jaranowski, P., & Schäfer, G. (2014). Nonlocal-in-time action for the fourth post-Newtonian conservative dynamics of two-body systems. Physical Review D. https://doi.org/10.1103/physrevd.89.064058

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