## Classical Electrodynamics |

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Page 99

where the particular choice of constant coefficients is made for later convenience.

Equation (4.1) is

monopole term, l = 1 is the dipole term, etc. The reason for these names becomes

clear ...

where the particular choice of constant coefficients is made for later convenience.

Equation (4.1) is

**called**a multipole expansion; the l = 0 term is**called**themonopole term, l = 1 is the dipole term, etc. The reason for these names becomes

clear ...

Page 140

If W. B = 0 everywhere, B must be the curl of some vector field A(x),

vector potential, B(x) = V x A(x) (5.27) We have, in fact, already written B in this

form (5.16). Evidently, from (5.16), the general form of A is A(x) = } so dor' + V F(x)

...

If W. B = 0 everywhere, B must be the curl of some vector field A(x),

**called**thevector potential, B(x) = V x A(x) (5.27) We have, in fact, already written B in this

form (5.16). Evidently, from (5.16), the general form of A is A(x) = } so dor' + V F(x)

...

Page 181

6.5 Gauge Transformations; Lorentz Gauge; Coulomb Gauge The transformation

(6.34) and (6.35) is

under such transformations is

6.5 Gauge Transformations; Lorentz Gauge; Coulomb Gauge The transformation

(6.34) and (6.35) is

**called**a gauge transformation, and the invariance of the fieldsunder such transformations is

**called**gauge invariance. The relation (6.36) ...### What people are saying - Write a review

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### Contents

Introduction to Electrostatics | 1 |

Greens theorem | 14 |

BoundaryValue Problems in Electrostatics I | 26 |

Copyright | |

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acceleration angle angular applied approximation assumed atomic average axis becomes boundary conditions calculate called Chapter charge charged particle 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 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 shown in Fig shows side solution sphere spherical surface transformation unit vanishes vector velocity volume wave written