## 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 V - 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 V - 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 |

BoundaryValue Problems in Electrostatics I | 26 |

References and suggested reading | 50 |

Copyright | |

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