Tim Little wrote:
> On 2008-03-03, Erik Max Francis <max@[EMAIL PROTECTED]
> wrote:
>> Magnetic charge is called poles, but they always show up in equal
>> and opposite pairs, hence "dipoles." A hypothetical isolated
>> magnetic charge, or pole, is a monopole -- and "monopole" only makes
>> sense if you're talking about some kind of field charge that only
>> comes in equal and opposite pairs.
>
> In weak-field GR I seem to recall that a system can have a monopole
> moment, and quadrupole moment, but no dipole moment. I may be wrong
> on this.
Well, those are moments, not monopolar particles.
--
Erik Max Francis && max@[EMAIL PROTECTED]
&& http://www.alcyone.com/max/
San Jose, CA, USA && 37 18 N 121 57 W && AIM, Y!M erikmaxfrancis
The perfection of innocence, indeed, is madness.
-- Arthur Miller
|
