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Relativistic Angular Momentum?

  1. Jul 8, 2009 #1

    referframe

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    What is the mathematical definition of Angular Momentum in Special Relativity? Is there a definition that does not require knowledge of two-forms, tensors, etc.? As always, thanks in advance.
     
  2. jcsd
  3. Jul 8, 2009 #2
    The total angular momentum of any system of massive spinless particles is

    [tex] \mathbf{J} = \sum_{i}^N \mathbf{r}_i \times \mathbf{p}_i [/tex]

    where [itex]\mathbf{r}_i[/itex] are particles positions and [itex]\mathbf{p}_i[/itex] are their momenta. This definition is valid in both non-relativistic and relativistic mechanics.
     
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