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View Full Version : quadrupole generating gravitational waves


alistair
Dec3-04, 04:52 PM
<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no, location=no,scrollbars=yes,resizable=yes,status=no ,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>A large mass with a quadrupole moment, rotating about some axis,\ngenerates gravitational waves.If there are no other masses close to\nthis large,rotating mass,to be affected by the effect it has on\nspace-time as it rotates,what defines the large mass as a rotating\nbody? In other words:\nis having a rotating quadrupole moment a sufficient condition to\ngenerate gravitational waves? Would vacuum particles close to the\nlarge mass "switch on" the generation of gravitational waves by the\nlarge mass,because vacuum particles\nwould respond to the effect the large mass has on space-time, and\ntherefore\ndefine it as a wave generator?\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form">&nbsp;&nbsp;View this Usenet post in original ASCII form </a></div><P></jabberwocky>A large mass with a quadrupole moment, rotating about some axis,
generates gravitational waves.If there are no other masses close to
this large,rotating mass,to be affected by the effect it has on
space-time as it rotates,what defines the large mass as a rotating
body? In other words:
is having a rotating quadrupole moment a sufficient condition to
generate gravitational waves? Would vacuum particles close to the
large mass "switch on" the generation of gravitational waves by the
large mass,because vacuum particles
would respond to the effect the large mass has on space-time, and
therefore
define it as a wave generator?

abstract@bluesharkdesign.com
Dec8-04, 06:54 AM
<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no, location=no,scrollbars=yes,resizable=yes,status=no ,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>I have similar questions about the transport of gravitational waves\nwithout the duality found in electromagnetic waves.\nI have read Schwartz and his book says yes to your question. Although\nto get measureable G waves a catastrophic event (events) is probably\nrequired.\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form">&nbsp;&nbsp;View this Usenet post in original ASCII form </a></div><P></jabberwocky>I have similar questions about the transport of gravitational waves
without the duality found in electromagnetic waves.
I have read Schwartz and his book says yes to your question. Although
to get measureable G waves a catastrophic event (events) is probably
required.