Calculation of π Using a Molecular Electron Spin Qubit Implemented by Pulsed Electron Paramagnetic Resonance.

IF 4.8 2区 化学 Q2 CHEMISTRY, PHYSICAL The Journal of Physical Chemistry Letters Pub Date : 2024-08-08 Epub Date: 2024-07-31 DOI:10.1021/acs.jpclett.4c01782
A V Borodulina, A R Melnikov, G A Bochkin, M V Fedin, E B Fel'dman, S L Veber
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Abstract

The present letter demonstrates a simple method to characterize the molecular electron spin qubits, for which a large number of chemical compounds with non-zero spin have been proposed. The method is based on calculating the value of π using a one-qubit protocol based on obtaining and processing Rabi oscillations. It was implemented using a model system of a Finland trityl radical with an electron spin S = 1/2 and a pulsed electron paramagnetic resonance spectrometer. As a result, the value of π was obtained with an accuracy of two decimal places, and an analysis of statistical and systematic errors was carried out.

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利用脉冲电子顺磁共振实现的分子电子自旋库比特计算 π。
本信展示了一种表征分子电子自旋量子比特的简单方法,为此提出了大量具有非零自旋的化合物。该方法基于获取和处理拉比振荡的单量子比特协议来计算 π 值。该方法是利用电子自旋为 S = 1/2 的芬兰三自由基模型系统和脉冲电子顺磁共振光谱仪实现的。结果,获得的 π 值精确到小数点后两位,并对统计误差和系统误差进行了分析。
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来源期刊
The Journal of Physical Chemistry Letters
The Journal of Physical Chemistry Letters CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY
CiteScore
9.60
自引率
7.00%
发文量
1519
审稿时长
1.6 months
期刊介绍: The Journal of Physical Chemistry (JPC) Letters is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, chemical physicists, physicists, material scientists, and engineers. An important criterion for acceptance is that the paper reports a significant scientific advance and/or physical insight such that rapid publication is essential. Two issues of JPC Letters are published each month.
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