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研究成果 - 楊大衍 博士

生物物理與分析技術組
楊大衍 博士
量子奈米電子材料模擬實驗室;生物物理電腦模擬實驗室
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Quantum logic gates based on DNAtronics, RNAtronics and Proteintronics
Sheh-Yi Sheu,* Hua-Yi Hsu, and Dah-Yen Yang*
Advanced Intelligent Systems, 3(7):2000273 (2021).
Quantum logic gates based on DNAtronics, RNAtronics and Proteintronics
Quantum computers adopt an n-state quantum mechanical system to manipulate the superposition state. However, molecular transistors have not been used to build up the quantum logic gate. Here, we demonstrate that DNA, RNA and protein are promising media for quantum computers, and one could employ residue pairs, including nucleotide base pairs and amino acid pairs, via proton-coupled electron transfer to fabricate a quantum logic gate. In the residue pair, the proton transfer between donor and acceptor states fulfill a qubit. Both the DNA-CG (3-qubit) nucleobase pair and nucleotide base pair obey the Toffoli gate. AT (2-qubit) nucleotide base pair behaves as a SWAP gate and a CNOT gate. Furthermore, the AU and RNA-CG nucleotide base pairs follow the CNOT gate and Toffoli gate, respectively. In addition, a pair of amino acids achieves 1-qubit and satisfies the Pauli-X, -Y and -Z gates. The generators of universal quantum logic gates are obtained. We demonstrate that quantum computers are constructed by molecular transistors in the size of one nanometer, and DNA, RNA and protein residue pairs are used to make universal quantum logic gates. The double helix of the nucleic acid is a quantum computer. These results provide a new perspective in topological quantum computers.
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