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- Title
A Guide to Quantum Computers and the Development of Quantum Advantage.
- Authors
Chander, Siddharth R.
- Abstract
Quantum advantage is when quantum computers can outperform classical computers. One of the first large-scale demonstrations of quantum advantage was recently done by Google running random multi-qubit quantum circuits. While Google's quantum computer took 200 seconds, calculations show that the then-fastest classical supercomputer would have taken 10000 years. Since then, different groups have claimed quantum advantage through other quantum systems. This paper will cover why quantum computers can be faster than classical computers by covering the primary differences between classical computing and quantum computing. Then, we will investigate the Deutsch-Jozsa quantum algorithm and Google's claim of quantum advantage. We will review current research regarding "quantum advantage," tying these events to the use cases covered. Additionally, different quantum algorithms that are theoretically faster than any current quantum algorithms will be analyzed, and we will delve into why this is the case. The covered examples will show methods used to improve quantum computers to provide a significant time difference to achieve a quantum advantage. After that, we make predictions concerning two critical quantum hardware limitations. Finally, we will investigate what the future of quantum advantage entails and some future cases of quantum advantage.
- Subjects
QUANTUM computers; QUBITS; SUPERCOMPUTERS; QUANTUM error correcting codes; QUANTUM theory
- Publication
International Journal of High School Research, 2023, Vol 5, Issue 3, p103
- ISSN
2642-1046
- Publication type
Article
- DOI
10.36838/v5i3.19