Student Understanding of the Bloch Sphere

Bibliographic Details
Title: Student Understanding of the Bloch Sphere
Authors: Hu, Peter, Li, Yangqiuting, Mong, Roger S. K., Singh, Chandralekha
Source: European Journal of Physics 45 025705 (2024)
Publication Year: 2024
Collection: Physics (Other)
Subject Terms: Physics - Physics Education
More Details: Quantum information science is a rapidly growing interdisciplinary field that is attracting the attention of academics and industry experts alike. It requires talent from a wide variety of traditional fields, including physics, engineering, chemistry, and computer science, to name a few. To prepare students for such opportunities, it is important to give them a strong foundation in the basics of quantum information science, in which quantum computing plays a central role. In this study, we discuss the development, validation, and evaluation of a tutorial on the Bloch sphere, a useful visual tool for developing intuition about single quantum bits (qubits), which are the basic building block of any quantum computer. Students' understanding was evaluated after they received traditional lecture-based instruction on the requisite topics, and again after engaging with the tutorial. We observe, analyze, and discuss their improvement in performance on concepts covered in the tutorial.
Comment: 19 pages, 1 figure
Document Type: Working Paper
DOI: 10.1088/1361-6404/ad2393
Access URL: http://arxiv.org/abs/2403.01047
Accession Number: edsarx.2403.01047
Database: arXiv
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  Data: Quantum information science is a rapidly growing interdisciplinary field that is attracting the attention of academics and industry experts alike. It requires talent from a wide variety of traditional fields, including physics, engineering, chemistry, and computer science, to name a few. To prepare students for such opportunities, it is important to give them a strong foundation in the basics of quantum information science, in which quantum computing plays a central role. In this study, we discuss the development, validation, and evaluation of a tutorial on the Bloch sphere, a useful visual tool for developing intuition about single quantum bits (qubits), which are the basic building block of any quantum computer. Students' understanding was evaluated after they received traditional lecture-based instruction on the requisite topics, and again after engaging with the tutorial. We observe, analyze, and discuss their improvement in performance on concepts covered in the tutorial.<br />Comment: 19 pages, 1 figure
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