Probing mean values and correlations of high-spin systems on a quantum computer

IF 1.8 4区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

EPL Pub Date : 2023-11-02 DOI:10.1209/0295-5075/ad0952

Andrij Kuzmak, V. M. Tkachuk

引用次数: 0

Abstract

Abstract We consider simulation of the high spins on a quantum computer. The protocols which allow one to measure the mean value of spin and correlations between spins are proposed. As a result, we determine the time-dependence of the mean values of spin-1 in the magnetic ﬁeld prepared on the ibmq-santiago quantum computer. In addition, we study the evolution of two interacting spins on the ibmq-santiago quantum computer. The time-dependencies of mean value of spin-1 and correlations between these spins are detected. Finally, we generalize these protocols for the spins of an arbitrary values.

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在量子计算机上探测高自旋系统的平均值和相关性

我们考虑在量子计算机上模拟高自旋。提出了测量自旋平均值和自旋间相关性的方法。因此，我们确定了在ibmq-santiago量子计算机上制备的磁场中自旋-1平均值的时间依赖性。此外，我们在ibmq-santiago量子计算机上研究了两个相互作用自旋的演化。检测了自旋-1平均值的时间依赖性和这些自旋之间的相关性。最后，我们将这些协议推广到任意值的自旋。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

EPL 物理-物理：综合

CiteScore

3.30

自引率

5.60%

发文量

332

审稿时长

1.9 months

期刊介绍： General physics – physics of elementary particles and fields – nuclear physics – atomic, molecular and optical physics – classical areas of phenomenology – physics of gases, plasmas and electrical discharges – condensed matter – cross-disciplinary physics and related areas of science and technology. Letters submitted to EPL should contain new results, ideas, concepts, experimental methods, theoretical treatments, including those with application potential and be of broad interest and importance to one or several sections of the physics community. The presentation should satisfy the specialist, yet remain understandable to the researchers in other fields through a suitable, clearly written introduction and conclusion (if appropriate). EPL also publishes Comments on Letters previously published in the Journal.

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