新型原子钟创下最高精度纪录

Core Insights - The research team from the National Institute of Standards and Technology (NIST) has achieved a significant breakthrough in atomic clock technology, improving precision to an astonishing 19 decimal places [1] - This advancement is expected to influence the redefinition of the "second" in the International System of Units (SI) and promote the development of quantum technologies [1] Group 1 - The NIST team published their findings in the journal Physical Review Letters [1] - The improvement involves capturing aluminum ions in an ion trap, which enhances the accuracy of atomic clocks [1] - The achievement marks a notable milestone in precision measurement, potentially impacting various scientific fields [1]