🚀 go-pugleaf

In article <1992Aug3.032445.22653@ucsu.Colorado.EDU> knapp@spot.Colorado.EDU (David Knapp) writes:
>In article <1992Aug3.015927.26752@ccu.umanitoba.ca> ummackse@ccu.umanitoba.ca (Chris Macksey) writes:
>
>>Is there a formula for the energy of the produced e-m wave, given the
>>acceleration of the electron?  If so, what is it? (I almost saw a dozen
>>or so replies saying simply "Yes, there is.". ;) )
>>Also, while I'm at it... If an electron is _continuously_ accelerated,
>>how often is an e-m wave produced? Constantly?
>
>There *is* a forumula, and it would be one hell of a pain in the ass to try
>to type it in. Even the non-relativistic forumula took a week for us to derive
>in class.  If you really need it, write me and I'll send you reference.

The formule for the emitted energy is not that difficult (when we
neglect retardation); in SI-units it is:

dW        Q^2 a^2
-- = ------------------
dt   6 pi c^3 epsilon_0

(source: Alonso-Finn - Fundamental physics, part 3, Dutch translation).

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