Persistent current in a mesoscopic ring with resonant tunneling
Prospekt Il'icha 93 A, Kv. 48 - 310020 Kharkov, Ukraine
Accepted: 1 July 1997
In this paper we have studied a persistent current in a ballistic ring containing a potential barrier with a resonant level. It is shown that the current amplitude depends on the change of an electron wave function phase at tunneling.
PACS: 73.20.Dx – Electron states in low-dimensional structures (superlattices, quantum well structures and multilayers) / 73.40.Gk – Tunneling / 73.90.+f – Other topics in electronic structure and electrical properties of surfaces, interfaces, and thin films
© EDP Sciences, 1997