[Commits] [svn:einsteintoolkit] Paper_EinsteinToolkit_2010/ (Rev. 268)

[diener at cct.lsu.edu]

User: diener
Date: 2012/03/07 12:11 PM

Modified:
 /
  ET.tex

Log:
 Add a statement that Multipole can handle arbitrary spin-weights. And
 that s=-2 should be used for Psi_4.

File Changes:

Directory: /
============

File [modified]: ET.tex
Delta lines: +3 -0
===================================================================
--- ET.tex	2012-03-07 17:53:09 UTC (rev 267)
+++ ET.tex	2012-03-07 18:11:55 UTC (rev 268)
@@ -2039,6 +2039,9 @@
     r^2 d\Omega
 \end{equation}
 of a projection onto spin-weighted spherical harmonics ${}_s Y_{\ell m}$.
+Multipole provides spin-weighted spherical harmonics of arbitrary spin-weight
+and can thus be used to decompose fields with different spin-weights. For
+$\Psi_4$ the appropriate spin-weight is $s=-2$.
 
 \subsubsection{Object tracking}
 \label{sec:object-tracking}