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首个核钟将测试基本物理常数是否会发生变化

2024-09-05
首个核钟将测试基本物理常数是否会发生变化

科学家们成功利用钍-229原子核中一种特殊的跃迁现象,研制出名为“核钟”的超精密计时器。这种跃迁对自然界四种基本力的变化极其敏感,未来可用于验证物理定律是否随时间推移而发生改变,例如弦理论预测的基本常数变化,以及暗物质理论中轴子密度变化对力的影响。

(www.quantamagazine.org)
48
未分类 基本物理常数

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