1302.5338 (Bruno Klajn et al.)

Subtleties of Invariance, Covariance and Observer Independence    [PDF]

Bruno Klajn, Ivica Smolić

The role of the observers is frequently obscured in the literature, either by writing equations in a coordinate system implicitly pertaining to some specific observer or by entangling the invariance and the observer dependence of physical quantities. Using examples in relativistic kinematics and classical electrodynamics we clarify the confusion underlying these misconceptions.

View original: http://arxiv.org/abs/1302.5338