Exercises for next section
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A . . . . . B .
9.4.1 The figures show the real space trajectories of an electron moving in a band with anisotropy equal to one. An electric field is applied in the horizontal direction, and the trajectories start at the lower end of the trace.
A) What was the initial wave vector of the electron (roughly)?
B) Was the electric field applied in the positive or negative x-direction?
C) What was the magnitude of the electric field in B) relative to A)?