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 velocity, called the group velocity: do * = I. o (7.32) If
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 * = I. o (7.32) If
an energy density is associated with the magnitude of the wave (or its absolute
square) ...
Page 340
As the wave number increases towards kp, the phase velocity decreases from
large values down towards (u°)”. Consequently for wave numbers of the order of
ko the wave travels with a small enough velocity that there are appreciable ...
As the wave number increases towards kp, the phase velocity decreases from
large values down towards (u°)”. Consequently for wave numbers of the order of
ko the wave travels with a small enough velocity that there are appreciable ...
Page 494
But a particle moving with constant velocity through a material medium can
radiate if its velocity is greater than the phase velocity of light in the medium.
Such radiation is called Cherenkov radiation, after its discoverer, P. A. Cherenkov
(1937).
But a particle moving with constant velocity through a material medium can
radiate if its velocity is greater than the phase velocity of light in the medium.
Such radiation is called Cherenkov radiation, after its discoverer, P. A. Cherenkov
(1937).
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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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