A network of clocks for measuring the stability of fundamental constants
用于测量基本常数稳定性的时钟网络
基本信息
- 批准号:ST/T00598X/1
- 负责人:
- 金额:$ 131.67万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2021
- 资助国家:英国
- 起止时间:2021 至 无数据
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
We propose to create a world-leading programme to search for spatial and temporal variations of fundamental constants of nature, using a network of quantum clocks. Our consortium will build a community that will achieve unprecedented sensitivity in testing variations of the fine structure constant, alpha, and the proton-to-electron mass ratio, mu. This in turn will provide more stringent constraints on a wide range of fundamental and phenomenological theories beyond the Standard Model and on dark matter models. The ambition of the QSNET consortium will be enabled by a unique experimental platform that connects a number of complementary quantum sensors across the UK, namely state-of-the-art atomic clocks, molecular clocks, and a highly-charged ion clock. Key to the proposal is the networked approach in which clocks, with different sensitivities to changes of the fundamental constants, will be linked using optical fibres. The network involves a range of different quantum sensing devices and devices with different technology readiness levels: from the more established microwave atomic clocks on the one end to the highly-charged ion clock on the other. QSNET will be able to deliver important results in the first years, and at the same time develop advanced quantum sensors to provide increasingly impactful results as the project continues and the most sophisticated sensors come on line.
我们建议创建一个世界领先的计划,使用量子时钟网络来搜索自然基本常数的空间和时间变化。我们的联合体将建立一个社区,在测试精细结构常数α和质子与电子质量比μ的变化方面将达到前所未有的灵敏度。这反过来又会对标准模型和暗物质模型之外的广泛的基础理论和唯象理论提供更严格的约束。QSNET联盟的雄心将通过一个独特的实验平台实现,该平台连接了英国各地的许多互补量子传感器,即最先进的原子钟,分子钟和高电荷离子钟。该提案的关键是网络方法,其中对基本常数变化具有不同灵敏度的时钟将使用光纤连接起来。该网络涉及一系列不同的量子传感设备和具有不同技术准备水平的设备:从一端更成熟的微波原子钟到另一端的高电荷离子钟。QSNET将能够在最初几年取得重要成果,同时开发先进的量子传感器,随着项目的继续和最先进的传感器的上线,提供越来越有影响力的结果。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
QSNET, a network of clocks for measuring the stability of fundamental constants
QSNET,用于测量基本常数稳定性的时钟网络
- DOI:10.48550/arxiv.2110.05944
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Barontini G
- 通讯作者:Barontini G
Analysis of atomic-clock data to constrain variations of fundamental constants
分析原子钟数据以限制基本常数的变化
- DOI:10.1088/1367-2630/aceff6
- 发表时间:2023
- 期刊:
- 影响因子:3.3
- 作者:Sherrill N
- 通讯作者:Sherrill N
Measuring the stability of fundamental constants with a network of clocks
使用时钟网络测量基本常数的稳定性
- DOI:10.1140/epjqt/s40507-022-00130-5
- 发表时间:2022
- 期刊:
- 影响因子:5.3
- 作者:Barontini G
- 通讯作者:Barontini G
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