Electron Transport in Double Quantum Dot governed by Nuclear Magnetic Field

TL;DR

This paper theoretically explores how nuclear magnetic fields influence electron transport in double quantum dots, demonstrating methods to partially compensate these fields to restore spin blockade, with relevance to recent experimental advances.

Contribution

It introduces a theoretical framework for understanding and controlling nuclear magnetic field effects in double quantum dot electron transport, proposing compensation techniques to restore spin blockade.

Findings

Partial compensation of nuclear magnetic fields restores spin blockade.

Theoretical insights align with recent experimental observations.

Potential for improved quantum dot control in quantum computing applications.

Abstract

We investigate theoretically electron transfer in a doble dot in a situation where it is governed by nuclear magnetic field: This has been recently achieved in experiment. We show how to partially compensate the nuclear magnetic field to restore Spin Blockade.