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In this course, we are going to concentrate, almost exclusively, on the
behaviour of non-relativistic particles of non-zero mass (e.g., electrons). In the
absence of external forces, such particles, of mass
, energy
, and
momentum
, move classically in a straight-line with velocity
![\begin{displaymath}
v = \frac{p}{m},
\end{displaymath}](img298.png) |
(71) |
and satisfy
![\begin{displaymath}
E = \frac{p^2}{2 m}.
\end{displaymath}](img299.png) |
(72) |
Richard Fitzpatrick
2010-07-20