Transportable Optical Lattice Clock with $7\times {10}^{-17}$ Uncertainty

S. B. Koller, J. Grotti, St. Vogt, A. Al-Masoudi, S. Dörscher, S. Häfner, U. Sterr, and Ch. Lisdat

Phys. Rev. Lett. 118, 073601 (2017)