## Classical electrodynamics |

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Page 210

7.5 A harmonic wave train of finite extent and its Fourier spectrum in

different frequency or

7.5 A harmonic wave train of finite extent and its Fourier spectrum in

**wave****number**. The pulse shown at t = 0 in Fig. 7.5 begins to move as time goes on. Thedifferent frequency or

**wave**-**number**components in it move at different phase ...Page 245

For a given frequency w, the

If we define a cutoff frequency wx, then the

8.37) (8.38)* (8.39)* We note that, for CD > w^, the

...

For a given frequency w, the

**wave number**k is determined for each value of A: <aIf we define a cutoff frequency wx, then the

**wave number**can be written : i •" - (8.37) (8.38)* (8.39)* We note that, for CD > w^, the

**wave number**k^ is real; waves...

Page 340

John David Jackson. closely w = «„. It is only for

the Debye

frequency from wp occur. For

velocities ...

John David Jackson. closely w = «„. It is only for

**wave numbers**comparable tothe Debye

**wave number**kD, kD* = ^ (10.106) that appreciable departures of thefrequency from wp occur. For

**wave numbers**k < kD, the phase and groupvelocities ...

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### Contents

Introduction to Electrostatics | 1 |

Scalar potential | 7 |

Greens theorem | 14 |

Copyright | |

19 other sections not shown

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### Common terms and phrases

4-vector acceleration angular distribution approximation assumed atomic axis Babinet's principle behavior boundary conditions bremsstrahlung calculate Chapter charge density charge q charged particle classical coefficients collisions component conductor Consequently consider coordinates cross section current density cylinder defined delta function dielectric constant diffraction dimensions dipole direction discussed effects electric field electromagnetic fields electron electrostatic emitted energy loss expansion expression factor frequency given Green's function impact parameter incident particle inside integral Laplace's equation limit linear Lorentz invariant Lorentz transformation macroscopic magnetic field magnetic induction magnitude Maxwell's equations meson molecules momentum multipole multipole expansion nonrelativistic obtain orbit oscillations parallel perpendicular plane wave plasma point charge polarization power radiated problem quantum quantum-mechanical radiative radius region relativistic result scalar scattering screen shown in Fig shows solid angle solution spectrum spherical surface theorem transverse unit vanishes vector potential wave equation wave number wavelength written zero