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Comparison of Two Independent Sr Optical Clocks with 1e-17 Stability at 10^3 s
T. L. Nicholson, M. J. Martin, J. R. Williams +5
Many-particle optical lattice clocks have the potential for unprecedented measurement precision and stability due to their low quantum projection noise. However, this potential has…
Inelastic collisions and density-dependent excitation suppression in a Sr optical lattice clock
Michael Bishof, Michael J Martin, Matthew D. Swallows +5
We observe two-body loss of Sr atoms trapped in a one-dimensional optical lattice. We measure loss rate coefficients for atomic samples between 1 and 6 K that…
Rabi Spectroscopy and Excitation Inhomogeneity in a 1D Optical Lattice Clock
S. Blatt, J. W. Thomsen, G. K. Campbell +5
We investigate the influence of atomic motion on precision Rabi spectroscopy of ultracold fermionic atoms confined in a deep, one dimensional (1D) optical lattice. We analyze the s…
Probing Interactions between Ultracold Fermions
G. K. Campbell, M. M. Boyd, J. W. Thomsen +12
At ultracold temperatures, the Pauli exclusion principle suppresses collisions between identical fermions. This has motivated the development of atomic clocks using fermionic isoto…
Improved limit on the permanent electric dipole moment of 199Hg
W. C. Griffith, M. D. Swallows, T. H. Loftus +3
We report the results of a new experimental search for a permanent electric dipole moment of 199Hg utilizing a stack of four vapor cells. We find d(199Hg) = (0.49 \pm 1.29_stat \pm…