Re: Another look at the Lorentz factor.


Bilge wrote:

Golden Boar:
>The Lorentz factor is usually given by the equation:
>
>gamma = 1/sqrt(1-v^2/c^2)
>
>or by
>
>beta = v/c
>gamma = 1/sqrt(1-beta^2)
>
>The equation can be written in a more intuitive (for me at least) way
>as shown below:
>
>gamma = c / sqrt(c^2 - v^2)

OK, your next assignment is to begin with an arbitrary lagrangian
density, L[q(x^u), d_v q(x^u)] and find the conserved currents and
charges if L is invariant under an infinitesimal spacetime displacement,
x^u -> x^u + a^u.

Nah, I don't think I will.

.

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