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This shows that , apart from an overall phase factor , the pulse travels along undistorted in shape with a velocity , called the group velocity : vo do dk ( 7.32 ) If an energy density is associated with the magnitude of the wave ( or ...
where we have introduced a vectorial Alfvén velocity : B. ( 10.70 ) 4πρ The wave equation ( 10.69 ) for v , is somewhat involved , but it allows simple solutions for waves propagating parallel or perpendicular to the magnetic field ...
For wave numbers k < kp , the phase and group velocities of the longitudinal plasma oscillations are : Up 0 k ( 10.107 ) 3 ( u ) Vg Dp From the definition of kp we see that for such wave numbers the phase velocity is much larger than ...
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A soul crushing technical manual written by a sadist that has served as the right of passage for physics PhDs since the dawn of time. Every single one of my professors studied this book, and every ... Read full review
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Introduction to Electrostatics
References and suggested reading
Multipoles Electrostatics of Macroscopic Media
6 other sections not shown