Wednesday, March 6, 2013

em01 http://www.thp.uni-koeln.de/alexal/pdf/electrodynamics.pdf

http://www.thp.uni-koeln.de/alexal/pdf/electrodynamics.pdf

A crucial feature of this scalar product is that it is not positive definite. For reasons to be discussed

below, we call vectors whose norm is positive,
xT gx = (ct)2 x2 > 0, time like vectors. Vectors

with negative norm will be called space like and vectors of vanishing norm light like.

No comments:

Post a Comment