Topologically induced vortex magnetance of a quantum device

Details Topologically induced vortex magnetance of a quantum device Topologically induced vortex magnetance of a quantum device

1997-09-25

arxiv.org/abs/cond-mat/9709280v1

Phys. Rev. Lett. 80 (1998), 1710-1713

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

A RevTeX source file with three ps figures

Scientific paper

10.1103/PhysRevLett.80.1710

We consider resonant vortices around nodal points of the wavefunction in electron transport through a mesoscopic device. With a suitable choice of the device geometry, the dominating role is played by single vortices of a preferred orientation. To characterize strength of the resulting magnetic moment we have introduced a magnetance, the quantity defined in analogy with the device conductance. Its basic properties and possible experimental detection are discussed.

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