Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A generalization of velocity in four-dimensional spacetime

Etymologies

Sorry, no etymologies found.

Examples

  • Second, there are mistakes that are easy to spot — e.g. you can’t choose the four-velocity to be given by eq. (2), since it wouldn’t be correctly normalized in the metric given by eq.

    How Are We to Make Progress With w?

  • i = dxi / dτ = γ dxi / dt is the four-velocity of a particle.

    Backreaction

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