## Classical Electrodynamics |

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Page 211

This shows that, apart from an overall phase factor, the pulse travels along

undistorted in shape with a

an energy density is associated with the magnitude of the wave (or its absolute

square), ...

This shows that, apart from an overall phase factor, the pulse travels along

undistorted in shape with a

**velocity**, called the group**velocity**: d v, - # 0 (7.32) Ifan energy density is associated with the magnitude of the wave (or its absolute

square), ...

Page 331

where we have introduced a vectorial Alfvén

equation (10.69) for v, is somewhat involved, but it allows simple solutions for

waves propagating parallel or perpendicular to the magnetic field direction.

where we have introduced a vectorial Alfvén

**velocity**: Bo W 4 = - * T VI. The waveequation (10.69) for v, is somewhat involved, but it allows simple solutions for

waves propagating parallel or perpendicular to the magnetic field direction.

Page 367

vector v, and at position 2 an infinitesimal time later (t + 6t) with

The increment in

time t the electron's rest frame K' and the laboratory frame K are related by a ...

vector v, and at position 2 an infinitesimal time later (t + 6t) with

**velocity**v + 6v.The increment in

**velocity**is related to the electron's acceleration a by Öv = a 6t. Attime t the electron's rest frame K' and the laboratory frame K are related by a ...

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### Contents

Introduction to Electrostatics | 1 |

Nº 3 | 3 |

Greens theorem | 14 |

Copyright | |

30 other sections not shown

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