Gravitational Waves from Inspiralling Compact Binaries in ... - LUTH
Gravitational Waves from Inspiralling Compact Binaries in ... - LUTH
Gravitational Waves from Inspiralling Compact Binaries in ... - LUTH
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Log terms <strong>in</strong> total energy flux<br />
At the lowest Newtonian order Uij reduces to the second<br />
time derivative of Iij, and where the dots <strong>in</strong>dicate all the<br />
terms which do not depend on r0.<br />
Trivial to deduce that the correspond<strong>in</strong>g dependence of the<br />
tail part of the energy flux on r0 is given by<br />
Ftail = · · · − 428<br />
525 M 2 〈I (4)<br />
ij I(4)<br />
ij 〉 ln r0 + · · · ,<br />
where <strong>in</strong>side the time average operation 〈〉 one can freely<br />
operate by parts the time derivatives. Hence,<br />
〈I (3)<br />
ij I(5) ij 〉 = −〈I(4) ij I(4) ij 〉<br />
Thus, the effect looks like a “quadrupole formula” but where<br />
the third time derivative of the moment is replaced by the<br />
fourth one.<br />
BRI-IHP06-I – p.59/??