2013/03/28 by M. N. Chernodub, Chernodub, M. N.
Physics and Astronomy · #Condensed matter physics #Current (fluid) #Electric current #Electric field #FOS: Physical sciences #Fourth Dimension #High Energy Physics - Theory (hep-th) #Magnetic field #Magnetic flux #Magnetic properties of thin films #Materials science #Mesoscale and Nanoscale Physics (cond-mat.mes-hall) #Nanoring #Nanotechnology #Nanowire #Physics #Planar #Quantum Physics (quant-ph) #Quantum and electron transport phenomena #Quantum mechanics #Surface and Thin Film Phenomena #cond-mat.mes-hall #hep-th #quant-ph
paper · pdf · doi:10.48550/arxiv.1303.7193
12 pages, 15 figures; v2: discussion expanded, figures and references added
openalex publication_date 2013/03/28 · arxiv created 2013/05/15 · arxiv updated 2013/05/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We propose a general design of a metallic double-nanowire structure which may support an equilibrium dissipationless electric current in the presence of magnetic field. The structure consists of a compact wire element of a specific shape, which is periodically extended in one spatial dimension. Topologically, each wire element is equivalent to a ring, which supports a dissipationless current in the presence of magnetic flux similarly to the persistent electric current in a normal metal nanoring. Geometrically, each wire element breaks spatial inversion symmetry so that the equilibrium electric current through the device becomes nonzero. We also argue that the same effect should exist in long planar chiral nanoribbons subjected to external magnetic field.