"Schwarzschild action principle"

[sg1]

Can anyone please supply general references, i.e. definition, etc. for
the above? Also, where is it used, mostly?
Thanks

[Martin Ouwehand]

Dans l'article
<c65a2831-f6d1-4745-8022-57066721654d@e18g2000yqo.googlegroups.com>,
sg1 <sigoldberg1@gmail.com> écrit:

] Can anyone please supply general references, i.e. definition, etc. for
] the above? Also, where is it used, mostly?

I think that it is another name for the action principle for electrodynamics
(used for instance in the volume "Classical field theories" in the
Landau & Lifshitz series) -- apparently it goes back to Schwarzschild:

http://gdz.sub.uni-goettingen.de/no_cache/en/dms/load/img/?IDDOC=57298

--
| ~~~~~~~~ Martin Ouwehand ~ Swiss Federal Institute of Technology ~ Lausanne
__|___________ Email/PGP: http://personnes.epfl.ch/martin.ouwehand ____________
Occasionally the formulas were wrong, and
therefore extremely difficult for me to rederive [Steven Weinberg]