Search Results - "Porsev, S. G"

Precision determination of electroweak coupling from atomic parity violation and implications for particle physics by Porsev, S G, Beloy, K, Derevianko, A

“…We carry out high-precision calculation of parity violation in a cesium atom, reducing theoretical uncertainty by a factor of 2 compared to previous…”
Get full text

New Methods for Testing Lorentz Invariance with Atomic Systems by Shaniv, R, Ozeri, R, Safronova, M S, Porsev, S G, Dzuba, V A, Flambaum, V V, Häffner, H

“…We describe a broadly applicable experimental proposal to search for the violation of local Lorentz invariance (LLI) with atomic systems. The new scheme uses…”
Get full text

Highly charged ions for atomic clocks, quantum information, and search for α variation by Safronova, M S, Dzuba, V A, Flambaum, V V, Safronova, U I, Porsev, S G, Kozlov, M G

“…We propose 10 highly charged ions as candidates for the development of next generation atomic clocks, quantum information, and search for α variation. They…”
Get full text

Accurate Prediction of Clock Transitions in a Highly Charged Ion with Complex Electronic Structure by Cheung, C, Safronova, M S, Porsev, S G, Kozlov, M G, Tupitsyn, I I, Bondarev, A I

“…We develop a broadly applicable approach that drastically increases the ability to predict the properties of complex atoms accurately. We apply it to the case…”
Get full text

Multipolar Polarizabilities and Hyperpolarizabilities in the Sr Optical Lattice Clock by Porsev, S G, Safronova, M S, Safronova, U I, Kozlov, M G

“…We address the problem of the lattice Stark shifts in the Sr clock caused by the multipolar M1 and E2 atom-field interactions and by the term nonlinear in…”
Get full text

Trapping of neutral mercury atoms and prospects for optical lattice clocks by Hachisu, H, Miyagishi, K, Porsev, S G, Derevianko, A, Ovsiannikov, V D, Pal'chikov, V G, Takamoto, M, Katori, H

“…We report vapor-cell magneto-optical trapping of Hg isotopes on the (1)S(0)-(3)P(1) intercombination transition. Six abundant isotopes, including four bosons…”
Get full text

State-Dependent Optical Lattices for the Strontium Optical Qubit by Heinz, A., Park, A. J., Šantić, N., Trautmann, J., Porsev, S. G., Safronova, M. S., Bloch, I., Blatt, S.

“…We demonstrate state-dependent optical lattices for the Sr optical qubit at the tune-out wavelength for its ground state. We tightly trap excited state atoms…”
Get full text

Precision Calculation of Hyperfine Constants for Extracting Nuclear Moments of Th 229 by Porsev, S. G., Safronova, M. S., Kozlov, M. G.

Get full text

Strongly enhanced effects of Lorentz symmetry violation in entangled Yb+ ions by Dzuba, V. A., Flambaum, V. V., Safronova, M. S., Porsev, S. G., Pruttivarasin, T., Hohensee, M. A., Häffner, H.

“…Exotic theories predict the violation of Lorentz symmetry, which could potentially be spotted in low-energy experiments. Using ytterbium ions could improve the…”
Get full text

High-accuracy calculation of 6s --> 7s parity-nonconserving amplitude in Cs by Kozlov, M G, Porsev, S G, Tupitsyn, I I

“…We calculated the parity-nonconserving (PNC) 6s-->7s amplitude in Cs. In the Dirac-Coulomb approximation our result is in good agreement with other…”
Get full text

CI-MBPT: A package of programs for relativistic atomic calculations based on a method combining configuration interaction and many-body perturbation theory by Kozlov, M.G., Porsev, S.G., Safronova, M.S., Tupitsyn, I.I.

“…This package of programs allows us to carry out relativistic calculations for many-electron atoms and ions. One can find energy levels and a number of atomic…”
Get full text

Michelson–Morley analogue for electrons using trapped ions to test Lorentz symmetry by Pruttivarasin, T., Ramm, M., Porsev, S. G., Tupitsyn, I. I., Safronova, M. S., Hohensee, M. A., Häffner, H.

“…An electronic analogue of a Michelson–Morley experiment, in which an electron wave packet bound inside a calcium ion is split into two parts and subsequently…”
Get full text

Electric dipole moment enhancement factor of thallium by Porsev, S G, Safronova, M S, Kozlov, M G

“…The goal of this work is to resolve the present controversy in the value of the electric dipole moment (EDM) enhancement factor of Tl. We carry out several…”
Get full text

Excitation of the isomeric 229mTh nuclear state via an electronic bridge process in 229Th by Porsev, S G, Flambaum, V V, Peik, E, Tamm, Chr

“…We consider the excitation of the nuclear transition 229gTh-229mTh near 7.6 eV in singly ionized thorium via an electronic bridge process. The process relies…”
Get full text

Nuclear Charge Radii of Th 229 from Isotope and Isomer Shifts by Safronova, M. S., Porsev, S. G., Kozlov, M. G., Thielking, J., Okhapkin, M. V., Głowacki, P., Meier, D. M., Peik, E.

Get full text

Ytterbium in quantum gases and atomic clocks: van der Waals interactions and blackbody shifts by Safronova, M S, Porsev, S G, Clark, Charles W

“…We evaluated the C(6) coefficients of Yb-Yb, Yb-alkali, and Yb-group II van der Waals interactions with 2% uncertainty. The only existing experimental result…”
Get full text

Long-Lived Coherence on a μHz Scale Optical Magnetic Quadrupole Transition by Klüsener, V, Pucher, S, Yankelev, D, Trautmann, J, Spriestersbach, F, Filin, D, Porsev, S G, Safronova, M S, Bloch, I, Blatt, S

“…We report on the coherent excitation of the ultranarrow ^{1}S_{0}-^{3}P_{2} magnetic quadrupole transition in ^{88}Sr. By confining atoms in a state…”
Get full text

Probing Sizes and Shapes of Nobelium Isotopes by Laser Spectroscopy by Raeder, S, Ackermann, D, Backe, H, Beerwerth, R, Berengut, J C, Block, M, Borschevsky, A, Cheal, B, Chhetri, P, Düllmann, Ch E, Dzuba, V A, Eliav, E, Even, J, Ferrer, R, Flambaum, V V, Fritzsche, S, Giacoppo, F, Götz, S, Heßberger, F P, Huyse, M, Kaldor, U, Kaleja, O, Khuyagbaatar, J, Kunz, P, Laatiaoui, M, Lautenschläger, F, Lauth, W, Mistry, A K, Minaya Ramirez, E, Nazarewicz, W, Porsev, S G, Safronova, M S, Safronova, U I, Schuetrumpf, B, Van Duppen, P, Walther, T, Wraith, C, Yakushev, A

“…Until recently, ground-state nuclear moments of the heaviest nuclei could only be inferred from nuclear spectroscopy, where model assumptions are required…”
Get full text

High-accuracy calculations of dipole, quadrupole, and octupole electric dynamic polarizabilities and van der Waals coefficients C 6, C 8, and C 10 for alkaline-earth dimers by Porsev, S. G., Derevianko, A.

Get full text

Blackbody-radiation shift in the Sr optical atomic clock by Safronova, M. S., Porsev, S. G., Safronova, U. I., Kozlov, M. G., Clark, Charles W.

Get full text