Electrically driven spin resonance in a bent disordered carbon nanotube

Li, Y and Benjamin, S C and Briggs, G A D and Laird, E A (2014) Electrically driven spin resonance in a bent disordered carbon nanotube. Physical review B, 90 (19). ISSN 1098-0121

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Abstract

Resonant manipulation of carbon nanotube valley-spin qubits by an electric field is investigated theoretically. We develop a new analysis of electrically driven spin resonance exploiting fixed physical characteristics of the nanotube: a bend and inhomogeneous disorder. The spectrum is simulated for an electron valley-spin qubit coupled to a hole valley-spin qubit and an impurity electron spin, and features that coincide with a recent measurement are identified. We show that the same mechanism allows resonant control of the full four-dimensional spin-valley space.

Item Type:
Journal Article
Journal or Publication Title:
Physical review B
ID Code:
124381
Deposited By:
Deposited On:
04 Apr 2018 13:06
Refereed?:
Yes
Published?:
Published
Last Modified:
24 Nov 2020 06:09