From 8b1c7440296e61926ce950995b6d7c2b8e9e49fb Mon Sep 17 00:00:00 2001
From: knarf <knarf@6a3ddf76-46e1-4315-99d9-bc56cac1ef84>
Date: Thu, 7 Oct 2010 16:42:08 +0000
Subject: correct computation of shift vector in Kerr metric, along with the
 documentation and a proof that this is right

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinInitialData/IDAnalyticBH/trunk@175 6a3ddf76-46e1-4315-99d9-bc56cac1ef84
---
 src/Kerr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Kerr.c b/src/Kerr.c
index ae39fd6..d7966ca 100644
--- a/src/Kerr.c
+++ b/src/Kerr.c
@@ -132,7 +132,7 @@ void KerrID(CCTK_ARGUMENTS)
     p2=a_2+r_2-a*beta_phi;
     /* drdR=sqrt_Delta/R; */
     lapse=sqrt_Delta/sqrt(p2);
-    shift_phi=-2*m*rK*a/p2;
+    shift_phi=-2*m*rK*a/(p2*Sigma);
     
     /* Kerr metric in quasi-isotropic coordinates */
     /* ds^2=Phi4*(dR^2+R^2*dth^2+R^2*Chi^2*sin(th)^2*dphi^2) */
-- 
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