Energy Density 3-Form

1. Mar 23, 2007

Swapnil

Here's is a quote from Electromagnetics by Richard H. Selfridge, David V. Arnold, and Karl F. Warnick:
I am still not sure where that 1/2 factor comes from...

2. Mar 23, 2007

quasar987

It is quite clear how the 1/2 pops in in the way Griffiths derives it. See p.91-94.