0 O ct 1 99 5 Spectroscopy of Local Density of States Fluctuations in a Disordered Conductor
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چکیده
The local density of states of a degenerate semiconductor is investigated at low magnetic fields by resonant tunneling through a discrete localized electron level. Fine structure in the tunneling current provides a temperature insensitive image of mesoscopic fluctuations of the local density of states below the Fermi level. The fluctuations are demonstrated to originate from quantum interference of diffusive electron waves in the three-dimensional disordered system.
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تاریخ انتشار 1995