Search Results - "Kozlov, M. G"

Highly charged ions: Optical clocks and applications in fundamental physics by Kozlov, M. G., Safronova, M. S., Crespo López-Urrutia, J. R., Schmidt, P. O.

“…Recent developments in frequency metrology and optical clocks have been based on electronic transitions in atoms and singly charged ions as references. The…”
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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…”
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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…”
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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…”
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Quantum Electrodynamical Shifts in Multivalent Heavy Ions by Tupitsyn, I I, Kozlov, M G, Safronova, M S, Shabaev, V M, Dzuba, V A

“…The quantum electrodynamics (QED) corrections are directly incorporated into the most accurate treatment of the correlation corrections for ions with complex…”
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Gluon Reggeization in Yang-Mills theories by Fadin, V. S., Kozlov, M. G., Reznichenko, A. V.

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Precision calculation of blackbody radiation shifts for optical frequency metrology by Safronova, M S, Kozlov, M G, Clark, Charles W

“…We show that three group IIIB divalent ions, B(+), Al(+), and In(+), have anomalously small blackbody radiation (BBR) shifts of the ns(2) (1)S(0)-nsnp…”
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Zeeman-tuned rotational level-crossing spectroscopy in a diatomic free radical by Cahn, S B, Ammon, J, Kirilov, E, Gurevich, Y V, Murphree, D, Paolino, R, Rahmlow, D A, Kozlov, M G, DeMille, D

“…Rotational levels of molecular free radicals can be tuned to degeneracy by using laboratory-scale magnetic fields. Because of their intrinsically narrow width,…”
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Time-Reversal Symmetry Violation in Molecules Induced by Nuclear Magnetic Quadrupole Moments by Flambaum, V. V., DeMille, D., Kozlov, M. G.

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Effective vertex of quark production in collision of a Reggeized quark and gluon by Kozlov, M. G., Reznichenko, A. V.

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Sensitivity of the H3O+ Inversion-Rotational Spectrum to Changes in the Electron-to-proton Mass Ratio by Kozlov, M. G, Levshakov, S. A

“…Quantum-mechanical tunneling inversion transition in ammonia (NH3) is actively used as a sensitive tool to study possible variations of the electron-to-proton…”
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Enhancement of the electric dipole moment of the electron in PbO by Kozlov, M G, DeMille, D

“…The a(1) state of PbO can be used to measure the electric dipole moment of the electron d(e). We discuss a semiempirical model for this state, which yields an…”
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Time-reversal symmetry violation in molecules induced by nuclear magnetic quadrupole moments by Flambaum, V V, DeMille, D, Kozlov, M G

“…Recent measurements in paramagnetic molecules improved the limit on the electron electric dipole moment (EDM) by an order of magnitude. Time-reversal (T) and…”
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Methanol isotopologues as a probe for spatial and temporal variations of the electron-to-proton mass ratio by Vorotyntseva, J S, Kozlov, M G, Levshakov, S A

“…ABSTRACT We present results on numerical calculations of the sensitivity coefficients, Qμ, of microwave molecular transitions in 13CH3OH and ${\rm CH_3\,…”
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Precision Calculation of Hyperfine Constants for Extracting Nuclear Moments of Th 229 by Porsev, S. G., Safronova, M. S., Kozlov, M. G.

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Constraints on the electron-to-proton mass ratio variation at the epoch of reionization by Levshakov, S A, Kozlov, M G, Agafonova, I I

“…ABSTRACT Far-infrared fine-structure transitions of [C i] and [C ii] and rotational transitions of CO are used to probe hypothetical variations of the…”
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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…”
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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…”
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Limit on the cosmological variation of mp/me from the inversion spectrum of ammonia by Flambaum, V V, Kozlov, M G

“…We obtain the limit on the space-time variation of the ratio of the proton mass to the electron mass, mu=m(p)/m(e), based on comparison of quasar absorption…”
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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…”
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