### Abstract

It is shown that the interaction part of the symmetric energy-momentum tensor for a system of charged particles is integrable over any forward light cone. A covariant definition of the mechanical momentum is then given and conservation of momentum is shown.

Original language | English (US) |
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Pages (from-to) | 197-200 |

Number of pages | 4 |

Journal | Journal of Mathematical Physics |

Volume | 30 |

Issue number | 1 |

DOIs | |

Publication status | Published - Jan 1 1989 |

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### ASJC Scopus subject areas

- Statistical and Nonlinear Physics
- Mathematical Physics