Spin interference effects in Rashba quantum rings
Carmine Ortix
TL;DR
This paper explores how quantum interference and Rashba spin-orbit interaction in quantum rings can be used to control spin transport, highlighting the role of geometric phases in conductance modulation.
Contribution
It provides a theoretical analysis linking spin-induced conductance modulations to geometric phases in Rashba quantum rings, offering pathways for spin control.
Findings
Conductance modulations are directly related to the geometric phase acquired by spins.
Theoretical framework connects spin interference effects with Rashba spin-orbit interaction.
Potential methods for controlling spin transport in mesoscopic devices are discussed.
Abstract
Quantum interference effects in rings provide suitable means to control spins at the mesoscopic scale. In this chapter we present the theory underlying spin-induced modulations of unpolarized currents in quantum rings subject to the Rashba spin-orbit interaction. We discuss explicitly the connection between the conductance modulations and the geometric phase acquired by the spin during transport, as well as pathways to directly control them.
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