Induced quantum dots and wires: electron storage and delivery

Details Induced quantum dots and wires: electron storage and delivery Induced quantum dots and wires: electron storage and delivery

2007-12-10

arxiv.org/abs/0712.1422v1

Phys. Rev. Lett 100, 126805 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevLett.100.126805

We show that quantum dots and quantum wires are formed underneath metal electrodes deposited on a planar semiconductor heterostructure containing a quantum well. The confinement is due to the self-focusing mechanism of an electron wave packet interacting with the charge induced on the metal surface. Induced quantum wires guide the transfer of electrons along metal paths and induced quantum dots store the electrons in specific locations of the nanostructure. Induced dots and wires can be useful for devices operating on the electron spin.

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