Quantum control of trapped polyatomic molecules for eEDM searches
Quantum control of trapped polyatomic molecules for eEDM searches
复制标题
用于 eEDM 搜索的捕获多原子分子的量子控制
DOI:
10.1126/science.adg8155
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发表时间:
2023
期刊:
影响因子:
56.9
通讯作者:
Hutzler, Nicholas R.
中科院分区:
文献类型:
--
作者:
Anderegg, Loïc;Vilas, Nathaniel B.;Hallas, Christian;Robichaud, Paige;Jadbabaie, Arian;Doyle, John M.;Hutzler, Nicholas R.
Ultracold polyatomic molecules are promising candidates for experiments in quantum science and precision searches for physics beyond the Standard Model. A key requirement is the ability to achieve full quantum control over the internal structure of the molecules. In this work, we established coherent control of individual quantum states in calcium monohydroxide (CaOH) and demonstrated a method for searching for the electron electric dipole moment (eEDM). Optically trapped, ultracold CaOH molecules were prepared in a single quantum state, polarized in an electric field, and coherently transferred into an eEDM-sensitive state where an electron spin precession measurement was performed. To extend the coherence time, we used eEDM-sensitive states with tunable, near-zero magnetic field sensitivity. Our results establish a path for eEDM searches with trapped polyatomic molecules.
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