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Re: [Phys-l] Poynting Vector



I stand somewhat corrected. I say "somwhat", because all definitions are arbitrary. A quick consult in Jackson shows that the broader definition is common.
A charged particle in crossed E and B fields will certainly drift along the line of ExB.
Regards,
Jack

On Sat, 28 Jun 2008, chuck britton wrote:

Where ever there is an E and a B (not parallel), there is a Poynting
Vector





On Jun 28, 2008, at Jun 28(Sat) 5:37 , Jack Uretsky wrote:

As Curt suggests, this sounds like a static situation. If so,
there is no
EM wave, and, consequently, no Poynting vector.
Regards,
Jack

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