Key points are not available for this paper at this time.
We report a proof-of-principle experiment on distant clock synchronization. Besides the achievement of picosecond resolution at 3km distance, this experiment demonstrated a concept for high-accuracy nonlocal timing and positioning based on the quantum feature of entangled states.
Valencia et al. (2004) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: