English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

It is customary to use a precessing convention, based on Newtonian orbitalangular momentum ${\bf L}_{\rm N}$, to model inspiral gravitational waves fromgeneric spinning compact binaries. A key feature of such a precessingconvention is its ability to remove all spin precession induced modulationsfrom the orbital phase evolution. However, this convention usually employs apost-Newtonian (PN) accurate precessional equation, appropriate for the PNaccurate orbital angular momentum ${\bf L}$, to evolve the ${\bf L}_{\rmN}$-based precessing source frame. This motivated us to develop inspiralwaveforms for spinning compact binaries in a precessing convention thatexplicitly use ${\bf L}$ to describe the binary orbits. Our approach introducescertain additional 3PN order terms in the orbital phase and frequency evolutionequations with respect to the usual ${\bf L}_{\rm N}$-based implementation ofthe precessing convention. The implications of these additional terms areexplored by computing the match between inspiral waveforms that employ ${\bfL}$ and ${\bf L}_{\rm N}$-based precessing conventions. We found that the matchestimates are smaller than the optimal value, namely 0.97, for a non-negligiblefraction of unequal mass spinning compact binaries.

Inspiral waveforms for spinning compact binaries in a new precessing convention