Nonadiabatic current generation in a finite width semiconductor ring

2003/01/03 by Vidar Gudmundsson, Viðar Guðmundsson, Chi-Shung Tang +2 · 3 citations
Physics and Astronomy · #Quantum and electron transport phenomena #Quantum optics and atomic interactions #Semiconductor Quantum Structures and Devices #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevb.67.161301

published as Phys. Rev. B 67, 161301(R) (2003) · LaTeX, 4 pages with included eps figures

arxiv created 2003/01/03 · openalex publication_date 2003/04/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We consider a model of a semiconductor quantum ring of finite width in a constant perpendicular magnetic field. We show how a current of the same order as the persistent current can be generated nonadiabatically by a short intensive pulse in the Tera-Hertz regime.

Citations

• Influence of the shape of quantum dots on their far-infrared absorption

Cited by

• Laser-controlled local magnetic field with semiconductor quantum rings
• Persistent and radiation-induced currents in distorted quantum rings
• Quantum pumping: Coherent rings versus open conductors

Related

• Net current generation in a 1D quantum ring at zero magnetic field
• Semiconductor Analog of the Large Persistent Currents Observed in Small\n Gold Rings
• Quantum Rings in Magnetic Fields and Spin Current Generation
• Currents in metallic rings with quantum dot
• Persistent currents in normal metal rings: comparing high-precision experiment with theory