Accuracy Evaluation of an Optical Lattice Clock with Bosonic Atoms
Abstract
We report the first accuracy evaluation of an optical lattice clock based on the 1S0 - 3P0 transition of an alkaline earth boson, namely 88Sr atoms. This transition has been enabled using a static coupling magnetic field. The clock frequency is determined to be 429 228 066 418 009(32) Hz. The isotopic shift between 87Sr and 88Sr is 62 188 135 Hz with fractional uncertainty 5.10-7. We discuss the conditions necessary to reach a clock accuracy of 10-17 or less using this scheme.
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