Collaborative Research: Quantum Complexity, Chaos, and Implications for Analog Quantum Simulation
合作研究:量子复杂性、混沌以及对模拟量子模拟的影响
基本信息
- 批准号:1820758
- 负责人:
- 金额:$ 24万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-09-01 至 2022-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Quantum technology is the next frontier in the information revolution that powers the nation's economic engine. Machines that process information using the microscopic laws of quantum physics can solve critical problems that are intractable with even the most powerful supercomputers, such as design of new high tech materials and pharmaceuticals. A general purpose quantum computer is still years in the future, but current quantum technology is now sufficiently advanced for private companies and government agencies to pursue the development of special purpose "quantum simulators" that can be applied to select problems. Unfortunately, the operation of such machines can be very sensitive to noise and imperfection, in a manner closely analogous to the "butterfly effect" whereby even the smallest disturbance (metaphorically, the flap of a butterfly's wing) can affect the predictive power of weather forecasts. This project seeks to better understand the tradeoff between a quantum simulator's power to solve hard computational problems, and the extreme fragility of its predictions when subject to noise and imperfections. Such understanding will be essential for the successful application of quantum technology to problems in science and engineering.Quantum simulation requires access to highly entangled many body systems whose dynamics are complex. It has long been a concern that such systems exhibit "quantum chaos" which will make any large scale quantum simulation hypersensitive to imperfections. Yet, at the same time it is argued that requirements for a special purpose quantum simulation are less stringent than for universal digital quantum computing. This, then, is the tension at the heart of quantum simulation: Can one have the complex dynamics needed to access massively entangled states, and at the same time have a reliable device that is not rendered inoperable by hypersensitivity? In short: Can one trust the output of a non-trivial quantum simulator? The proposed research will put those questions to the test in experiments with a quantum simulator based on the spins of individual cesium atoms. This test bed provides access to state-of-the-art control and diagnostics, and offers the ability to drive and observe a nearly unlimited variety of complex dynamics, including many of the paradigmatic models of analog quantum simulation currently explored elsewhere.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
量子技术是信息革命的下一个前沿,为国家的经济引擎提供动力。使用量子物理微观定律处理信息的机器可以解决即使是最强大的超级计算机也难以解决的关键问题,比如新型高科技材料和药品的设计。通用量子计算机还需要几年的时间,但目前的量子技术已经足够先进,足以让私营公司和政府机构开发出可以用来选择问题的特殊用途的“量子模拟器”。不幸的是,这类机器的操作可能对噪音和缺陷非常敏感,其方式非常类似于“蝴蝶效应”,即即使是最小的干扰(比喻为蝴蝶翅膀的拍动)也会影响天气预报的预测能力。这个项目试图更好地理解量子模拟器解决复杂计算问题的能力与其预测在受到噪声和缺陷影响时的极端脆弱性之间的权衡。这样的理解对于成功地将量子技术应用于科学和工程问题是至关重要的。量子模拟需要访问许多高度纠缠的物体系统,这些系统的动力学很复杂。长期以来,人们一直担心这样的系统会出现“量子混沌”,这将使任何大规模的量子模拟对缺陷非常敏感。然而,与此同时,有人认为,对特殊用途的量子模拟的要求没有对通用数字量子计算那么严格。那么,这就是量子模拟的核心所在:一个人能否拥有访问大规模纠缠态所需的复杂动力学,同时拥有一个可靠的设备,而不会因为过度敏感而无法操作?简而言之:人们能相信一个非平凡的量子模拟器的输出吗?这项拟议的研究将在基于单个铯原子自旋的量子模拟器的实验中对这些问题进行测试。这一试验台提供了最先进的控制和诊断,并提供了驾驶和观察几乎无限多种复杂动力学的能力,包括许多目前在其他地方探索的模拟量子模拟的范例模型。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Quantifying the Sensitivity to Errors in Analog Quantum Simulation
- DOI:10.1103/prxquantum.1.020308
- 发表时间:2020-07
- 期刊:
- 影响因子:0
- 作者:P. Poggi;Nathan K. Lysne;Kevin W. Kuper;I. Deutsch;P. Jessen
- 通讯作者:P. Poggi;Nathan K. Lysne;Kevin W. Kuper;I. Deutsch;P. Jessen
Trotter Errors from Dynamical Structural Instabilities of Floquet Maps in Quantum Simulation
- DOI:10.1103/prxquantum.3.010351
- 发表时间:2022-03-28
- 期刊:
- 影响因子:9.7
- 作者:Chinni, Karthik;Munoz-Arias, Manuel H.;Poggi, Pablo M.
- 通讯作者:Poggi, Pablo M.
Effect of chaos on the simulation of quantum critical phenomena in analog quantum simulators
- DOI:10.1103/physrevresearch.3.033145
- 发表时间:2021-03
- 期刊:
- 影响因子:4.2
- 作者:K. Chinni;P. Poggi;I. Deutsch
- 通讯作者:K. Chinni;P. Poggi;I. Deutsch
Floquet time crystals in driven spin systems with all-to-all p -body interactions
- DOI:10.1103/physrevresearch.4.023018
- 发表时间:2022-01
- 期刊:
- 影响因子:4.2
- 作者:M. Muñoz-Arias;K. Chinni;P. Poggi
- 通讯作者:M. Muñoz-Arias;K. Chinni;P. Poggi
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Ivan Deutsch其他文献
Ivan Deutsch的其他文献
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{{ truncateString('Ivan Deutsch', 18)}}的其他基金
Collaborative Research: Advances in Quantum Control and Noise Mitigation on A Highly Accurate Testbed
合作研究:高精度测试台上量子控制和噪声抑制的进展
- 批准号:
2210013 - 财政年份:2022
- 资助金额:
$ 24万 - 项目类别:
Standard Grant
FRHTP: Center for Quantum Information and Control
FRHTP:量子信息与控制中心
- 批准号:
2116246 - 财政年份:2021
- 资助金额:
$ 24万 - 项目类别:
Cooperative Agreement
EAGER: QSA: Eigenstate Thermalization and the Quantum Metropolis Algorithm
EAGER:QSA:本征态热化和量子都会算法
- 批准号:
2037613 - 财政年份:2020
- 资助金额:
$ 24万 - 项目类别:
Standard Grant
Controlling Nonclassical Atomic Spin Ensembles via Cavity-Enhanced Polarization Measurements
通过腔增强偏振测量控制非经典原子自旋系综
- 批准号:
2011582 - 财政年份:2020
- 资助金额:
$ 24万 - 项目类别:
Standard Grant
FRHTP: Center for Quantum Information and Control
FRHTP:量子信息与控制中心
- 批准号:
1630114 - 财政年份:2016
- 资助金额:
$ 24万 - 项目类别:
Cooperative Agreement
Symmetric Many-Body Correlations in Atomic Ensembles
原子系综中的对称多体相关性
- 批准号:
1606989 - 财政年份:2016
- 资助金额:
$ 24万 - 项目类别:
Continuing Grant
Collaborative Research: A Unified Approach to Quantum Tomography, Open Systems Control and Quantum Simulation
合作研究:量子断层扫描、开放系统控制和量子模拟的统一方法
- 批准号:
1521431 - 财政年份:2015
- 资助金额:
$ 24万 - 项目类别:
Continuing Grant
Quantum Control, Measurement, and Information in Atomic Spin Ensembles
原子自旋系综中的量子控制、测量和信息
- 批准号:
1307520 - 财政年份:2013
- 资助金额:
$ 24万 - 项目类别:
Continuing Grant
Quantum Control of Mesoscopic Collective Spin States
介观集体自旋态的量子控制
- 批准号:
0969997 - 财政年份:2010
- 资助金额:
$ 24万 - 项目类别:
Standard Grant
Collaborative Research: Quantum Control of Qudits and Quantum Transport in Optical Lattics
合作研究:光晶格中Qudits的量子控制和量子输运
- 批准号:
0903692 - 财政年份:2009
- 资助金额:
$ 24万 - 项目类别:
Continuing Grant
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