Question: Open orbits an open orbit in monovalent tetragonal metal connects opposite faces of the boundary of a Brillouin zone. The faces are separated by G

Open orbits an open orbit in monovalent tetragonal metal connects opposite faces of the boundary of a Brillouin zone. The faces are separated by G = 2 x 10⁸cm¹. A magnetic field B = 10³ gauss = 10^-1tesla is normal to the plane of the open orbit.

(a) What is the order of magnitude of the period of the motion in k space? Take c ≈ 10⁸ cm/sec.

(b) Describe in real space the motion of an electron on this orbit in the presence of flue magnetic field.

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