## 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**: do * ~ ill, (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

a longitudinal magnetosonic wave with a phase

10.73) Note that this wave propagates with a

of ...

where we have introduced a vectorial Alfvén

**velocity**: ... Then the solution for vi isa longitudinal magnetosonic wave with a phase

**velocity**: ulong = Vs” + v 4” (10.73) Note that this wave propagates with a

**velocity**which depends on the sumof ...

Page 340

ty ty (10.107) g p From the definition of ko we see that for such wave numbers the

phase

rms thermal

ty ty (10.107) g p From the definition of ko we see that for such wave numbers the

phase

**velocity**is much larger than, and the group**velocity**much smaller than, therms thermal

**velocity**(u”)*. As the wave number increases towards kp, the ...### What people are saying - Write a review

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### Contents

Introduction to Electrostatics | 1 |

BoundaryValue Problems in Electrostatics I | 26 |

BoundaryValue Problems in Electrostatics II | 54 |

Copyright | |

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### Common terms and phrases

acceleration angle angular applied approximation assumed atomic average axis becomes boundary conditions calculate called Chapter charge classical collisions compared component conducting Consequently consider constant coordinates cross section cylinder defined density dependence derivative determine dielectric dimensions dipole direction discussed distance distribution effects electric field electromagnetic electron electrostatic energy equal equation example expansion expression factor force frame frequency function given gives incident inside integral involved limit Lorentz loss magnetic magnetic field magnetic induction magnitude mass means modes momentum motion moving multipole normal observation obtain origin parallel particle physical plane plasma polarization position potential problem properties radiation radius region relation relative relativistic result satisfy scalar scattering shows side solution space sphere spherical surface transformation unit vanishes vector velocity volume wave written