Four-momentum

In special relativity, four-momentum is the generalization of the classical three-dimensional momentum to four-dimensional spacetime. Momentum is a vector in three dimensions; similarly four-momentum is a four-vector in spacetime. The contravariant four-momentum of a particle with energy $E$ and three-momentum $p = (p x, p y, p z) = m u = γm v$ , where $v$ is the particle's $3-$ velocity and $γ$ the Lorentz factor, is

单词	Four momentum
释义	Four momentum 英语百科 Four-momentum In special relativity, four-momentum is the generalization of the classical three-dimensional momentum to four-dimensional spacetime. Momentum is a vector in three dimensions; similarly four-momentum is a four-vector in spacetime. The contravariant four-momentum of a particle with energy $E$ and three-momentum $p = (p x, p y, p z) = m u = γm v$ , where $v$ is the particle's $3-$ velocity and $γ$ the Lorentz factor, is
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Four momentum

Four-momentum