scholarly journals Gravitational-wave memory effects in Brans-Dicke theory: Waveforms and effects in the post-Newtonian approximation

2021 ◽  
Vol 104 (10) ◽  
Author(s):  
Shammi Tahura ◽  
David A. Nichols ◽  
Kent Yagi
Keyword(s):  
Gravitational Wave ◽  
Memory Effects ◽  
Newtonian Approximation

scholarly journals Brans-Dicke theory in Bondi-Sachs form: Asymptotically flat solutions, asymptotic symmetries, and gravitational-wave memory effects

2021 ◽  
Vol 103 (10) ◽  
Author(s):  
Shammi Tahura ◽  
David A. Nichols ◽  
Alexander Saffer ◽  
Leo C. Stein ◽  
Kent Yagi
Keyword(s):  
Gravitational Wave ◽  
Memory Effects ◽  
Asymptotically Flat ◽  
Asymptotic Symmetries

scholarly journals An Improved Numerical Fit to the Peak Harmonic Gravitational Wave Frequency Emitted by an Eccentric Binary

2021 ◽  
Vol 5 (11) ◽  
pp. 275
Author(s):  
Adrian S. Hamers
Keyword(s):  
Binary System ◽  
Gravitational Wave ◽  
Wave Frequency ◽  
Population Synthesis ◽  
Newtonian Approximation ◽  
Numerical Fit

Abstract I present a numerical fit to the peak harmonic gravitational wave frequency emitted by an eccentric binary system in the post-Newtonian approximation. This fit significantly improves upon a previous commonly-used fit in population synthesis studies, in particular for eccentricities ≲0.8.

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