Electrical control and quantum chaos with a high-spin nucleus in silicon / Serwan Asaad.
2021
QC793.3.S6
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Title
Electrical control and quantum chaos with a high-spin nucleus in silicon / Serwan Asaad.
Author
ISBN
9783030834739 (electronic bk.)
3030834735 (electronic bk.)
3030834727
9783030834722
3030834735 (electronic bk.)
3030834727
9783030834722
Publication Details
Cham, Switzerland : Springer, 2021.
Language
English
Description
1 online resource
Item Number
10.1007/978-3-030-83473-9 doi
Call Number
QC793.3.S6
Dewey Decimal Classification
539.7/25
Summary
Nuclear spins are highly coherent quantum objects that were featured in early ideas and demonstrations of quantum information processing. In silicon, the high-fidelity coherent control of a single phosphorus (31-P) nuclear spin I=1/2 has demonstrated record-breaking coherence times, entanglement, and weak measurements. In this thesis, we demonstrate the coherent quantum control of a single antimony (123-Sb) donor atom, whose higher nuclear spin I = 7/2 corresponds to eight nuclear spin states. However, rather than conventional nuclear magnetic resonance (NMR), we employ nuclear electric resonance (NER) to drive nuclear spin transitions using localized electric fields produced within a silicon nanoelectronic device. This method exploits an idea first proposed in 1961 but never realized experimentally with a single nucleus, nor in a non-polar crystal such as silicon. We then present a realistic proposal to construct a chaotic driven top from the nuclear spin of 123-Sb. Signatures of chaos are expected to arise for experimentally realizable parameters of the system, allowing the study of the relation between quantum decoherence and classical chaos, and the observation of dynamical tunneling. These results show that high-spin quadrupolar nuclei could be deployed as chaotic models, strain sensors, hybrid spin-mechanical quantum systems, and quantum-computing elements using all-electrical controls.
Note
"Doctoral Thesis accepted by UNSW Sydney, Kensington, Australia."
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Includes bibliographical references.
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Digital File Characteristics
text file
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Source of Description
Online resource; title from PDF title page (SpringerLink, viewed October 27, 2021).
Series
Springer theses, 2190-5061
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Table of Contents
Introduction
High-dimensional Spins
Theory of Donors in Silicon
Experimental Setup
123-Sb Donor Device Characterization.
High-dimensional Spins
Theory of Donors in Silicon
Experimental Setup
123-Sb Donor Device Characterization.