Search Results - "Lemke, N. D"

High-accuracy measurement of atomic polarizability in an optical lattice clock by Sherman, J A, Lemke, N D, Hinkley, N, Pizzocaro, M, Fox, R W, Ludlow, A D, Oates, C W

“…Presently, the Stark effect contributes the largest source of uncertainty in a ytterbium optical atomic clock through blackbody radiation. By employing an…”
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Probing Interactions Between Ultracold Fermions by Campbell, G.K, Boyd, M.M, Thomsen, J.W, Martin, M.J, Blatt, S, Swallows, M.D, Nicholson, T.L, Fortier, T, Oates, C.W, Diddams, S.A, Lemke, N.D, Naidon, P, Julienne, P, Ye, Jun, Ludlow, A.D

“…At ultracold temperatures, the Pauli exclusion principle suppresses collisions between identical fermions. This has motivated the development of atomic clocks…”
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Probing many-body interactions in an optical lattice clock by Rey, A.M., Gorshkov, A.V., Kraus, C.V., Martin, M.J., Bishof, M., Swallows, M.D., Zhang, X., Benko, C., Ye, J., Lemke, N.D., Ludlow, A.D.

“…We present a unifying theoretical framework that describes recently observed many-body effects during the interrogation of an optical lattice clock operated…”
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An atomic clock with 10(-18) instability by Hinkley, N, Sherman, J A, Phillips, N B, Schioppo, M, Lemke, N D, Beloy, K, Pizzocaro, M, Oates, C W, Ludlow, A D

“…Atomic clocks have been instrumental in science and technology, leading to innovations such as global positioning, advanced communications, and tests of…”
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An Atomic Clock with 10―18 Instability by HINKLEY, N, SHERMAN, J. A, PHILLIPS, N. B, SCHIOPPO, M, LEMKE, N. D, BELOY, K, PIZZOCARO, M, OATES, C. W, LUDLOW, A. D

“…Tick, Tick, Tick… Many aspects of everyday life from communication to navigation rely on the precise ticking of the microwave transitions of the atoms in…”
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First Measurement of the Atomic Electric Dipole Moment of Ra 225 by Parker, R. H., Dietrich, M. R., Kalita, M. R., Lemke, N. D., Bailey, K. G., Bishof, M., Greene, J. P., Holt, R. J., Korsch, W., Lu, Z.-T., Mueller, P., O’Connor, T. P., Singh, J. T.

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Making optical atomic clocks more stable with 10 −16 -level laser stabilization by Oates, C. W, Sherman, J. A, Ma, L.-S, Jiang, Y. Y, Ludlow, A. D, Lemke, N. D, Fox, R. W

“…The superb precision of an atomic clock is derived from its stability. Atomic clocks based on optical (rather than microwave) frequencies are attractive…”
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Sr lattice clock at 1 x 10(-16) fractional uncertainty by remote optical evaluation with a Ca clock by Ludlow, A D, Zelevinsky, T, Campbell, G K, Blatt, S, Boyd, M M, de Miranda, M H G, Martin, M J, Thomsen, J W, Foreman, S M, Ye, Jun, Fortier, T M, Stalnaker, J E, Diddams, S A, Le Coq, Y, Barber, Z W, Poli, N, Lemke, N D, Beck, K M, Oates, C W

“…Optical atomic clocks promise timekeeping at the highest precision and accuracy, owing to their high operating frequencies. Rigorous evaluations of these…”
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Spin-1/2 optical lattice clock by Lemke, N D, Ludlow, A D, Barber, Z W, Fortier, T M, Diddams, S A, Jiang, Y, Jefferts, S R, Heavner, T P, Parker, T E, Oates, C W

“…We experimentally investigate an optical clock based on ;{171}Yb (I = 1/2) atoms confined in an optical lattice. We have evaluated all known frequency shifts…”
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p-Wave cold collisions in an optical lattice clock by Lemke, N D, von Stecher, J, Sherman, J A, Rey, A M, Oates, C W, Ludlow, A D

“…We study ultracold collisions in fermionic ytterbium by precisely measuring the energy shifts they impart on the atoms' internal clock states. Exploiting Fermi…”
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Optical lattice induced light shifts in an yb atomic clock by Barber, Z W, Stalnaker, J E, Lemke, N D, Poli, N, Oates, C W, Fortier, T M, Diddams, S A, Hollberg, L, Hoyt, C W, Taichenachev, A V, Yudin, V I

“…We present an experimental study of the lattice-induced light shifts on the (1)S(0) --> (3)P(0) optical clock transition (nu(clock) approximately 518 THz) in…”
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Measurement of the Hyperfine Quenching Rate of the Clock Transition in Yb 171 by Xu, C.-Y., Singh, J., Zappala, J. C., Bailey, K. G., Dietrich, M. R., Greene, J. P., Jiang, W., Lemke, N. D., Lu, Z.-T., Mueller, P., O’Connor, T. P.

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First Measurement of the Atomic Electric Dipole Moment of Ra225 by Parker, R H, Dietrich, M R, Kalita, M R, Lemke, N D, Bailey, K G, Bishof, M, Greene, J P, Holt, R J, Korsch, W, Lu, Z-T, Mueller, P, O'Connor, T P, Singh, J T

“…The radioactive radium-225 (Ra225) atom is a favorable case to search for a permanent electric dipole moment. Because of its strong nuclear octupole…”
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Sr Lattice Clock at 1 x 10⁻¹⁶ Fractional Uncertainty by Remote Optical Evaluation with a Ca Clock by Ludlow, A.D, Zelevinsky, T, Campbell, G.K, Blatt, S, Boyd, M.M, de Miranda, M.H.G, Martin, M.J, Thomsen, J.W, Foreman, S.M, Ye, Jun, Fortier, T.M, Stalnaker, J.E, Diddams, S.A, Le Coq, Y, Barber, Z.W, Poli, N, Lemke, N.D, Beck, K.M, Oates, C.W

“…Optical atomic clocks promise timekeeping at the highest precision and accuracy, owing to their high operating frequencies. Rigorous evaluations of these…”
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Optical Lattice Clock with Spin-1/2 Ytterbium Atoms by Lemke, N D

“…An optical lattice clock probes a spectrally narrow electronic transition in an ensemble of optically trapped, laser-cooled atoms, for use as a time and…”
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Sr Lattice Clock at 1 ×$10^{-16}$Fractional Uncertainty by Remote Optical Evaluation with a Ca Clock by Ludlow, A. D., Zelevinsky, T., Campbell, G. K., Blatt, S., Boyd, M. M., de Miranda, M. H. G., Martin, M. J., Thomsen, J. W., Foreman, S. M., Ye, Jun, Fortier, T. M., Stalnaker, J. E., Diddams, S. A., Le Coq, Y., Barber, Z. W., Poli, N., Lemke, N. D., Beck, K. M., Oates, C. W.

“…Optical atomic clocks promise timekeeping at the highest precision and accuracy, owing to their high operating frequencies. Rigorous evaluations of these…”
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Cold-collision-shift cancellation and inelastic scattering in a Yb optical lattice clock by Ludlow, A. D., Lemke, N. D., Sherman, J. A., Oates, C. W., Quéméner, G., von Stecher, J., Rey, A. M.

“…Recently, p-wave cold collisions were shown to dominate the density-dependent shift of the clock transition frequency in a {sup 171}Yb optical lattice clock…”
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Determination of the 5d6s 3D1 state lifetime and blackbody radiation clock shift in Yb by Beloy, K, Sherman, J. A, Lemke, N. D, Hinkley, N, Oates, C. W, Ludlow, A. D

“…Phys. Rev. A, 86(5) 051404 (2012) The Stark shift of the ytterbium optical clock transition due to room temperature blackbody radiation is dominated by a…”
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Measurement of the Hyperfine Quenching Rate of the Clock Transition in $^{171}$Yb by Xu, C. -Y, Singh, J, Zappala, J. C, Bailey, K. G, Dietrich, M. R, Greene, J. P, Jiang, W, Lemke, N. D, Lu, Z. -T, Mueller, P, O'Connor, T. P

“…Phys. Rev. Lett. 113, 033003 (18 July 2014) We report the first experimental determination of the hyperfine quenching rate of the $6s^2\ ^1\!S_0\ (F=1/2) -…”
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An Atomic Clock with 10—18Instability by Hinkley, N., Sherman, J. A., Phillips, N. B., Schioppo, M., Lemke, N. D., Beloy, K., Pizzocaro, M., Oates, C. W., Ludlow, A. D.

“…Atomic clocks have been instrumental in science and technology, leading to innovations such as global positioning, advanced communications, and tests of…”
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