Zobrazeno 1 - 10
of 254
pro vyhledávání: '"King, Steven P"'
Autor:
King, Steven A., Spieß, Lukas J., Micke, Peter, Wilzewski, Alexander, Leopold, Tobias, Benkler, Erik, Lange, Richard, Huntemann, Nils, Surzhykov, Andrey, Yerokhin, Vladimir A., López-Urrutia, José R. Crespo, Schmidt, Piet O.
Publikováno v:
Nature 611, 43-47 (2022)
Optical atomic clocks are the most accurate measurement devices ever constructed and have found many applications in fundamental science and technology. The use of highly charged ions (HCI) as a new class of references for highest accuracy clocks and
Externí odkaz:
http://arxiv.org/abs/2205.13053
Autor:
King, Steven A., Spieß, Lukas J., Micke, Peter, Wilzewski, Alexander, Leopold, Tobias, López-Urrutia, José R. Crespo, Schmidt, Piet O.
Most ions lack the fast, cycling transitions that are necessary for direct laser cooling. In most cases, they can still be cooled sympathetically through their Coulomb interaction with a second, coolable ion species confined in the same potential. If
Externí odkaz:
http://arxiv.org/abs/2102.12427
Autor:
Rehbehn, Nils-Holger, Rosner, Michael K., Bekker, Hendrik, Berengut, Julian C., Schmidt, Piet O., King, Steven A., Micke, Peter, Gu, Ming Feng, Müller, Robert, Surzhykov, Andrey, López-Urrutia, José R. Crespo
Publikováno v:
Phys. Rev. A 103, 040801 (2021)
Promising searches for new physics beyond the current Standard Model (SM) of particle physics are feasible through isotope-shift spectroscopy, which is sensitive to a hypothetical fifth force between the neutrons of the nucleus and the electrons of t
Externí odkaz:
http://arxiv.org/abs/2102.02309
Akademický článek
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Autor:
Leopold, Tobias, King, Steven A., Micke, Peter, Bautista-Salvador, Amado, Heip, Jan C., Ospelkaus, Christian, López-Urrutia, José R. Crespo, Schmidt, Piet O.
A cryogenic radio-frequency ion trap system designed for quantum logic spectroscopy of highly charged ions is presented. It includes a segmented linear Paul trap, an in-vacuum imaging lens and a helical resonator. We demonstrate ground state cooling
Externí odkaz:
http://arxiv.org/abs/1901.03082
We present a simple, robust, narrow-linewidth, frequency-doubled semiconductor laser source suitable for laser cooling and repumping of $^9$Be$^+$ ions. A distributed Bragg reflector (DBR) laser diode operating at 626 nm is self-injection-locked to a
Externí odkaz:
http://arxiv.org/abs/1805.10162
Autor:
Baynham, Charles F. A., Godun, Rachel M., Jones, Jonathan M., King, Steven A., Nisbet-Jones, Peter B. R., Baynes, Fred, Rolland, Antoine, Baird, Patrick E. G., Bongs, Kai, Gill, Patrick, Margolis, Helen S.
The highly forbidden $^2$S$_{1/2} \rightarrow ^2$F$_{7/2}$ electric octupole transition in $^{171}$Yb$^+$ is a potential candidate for a redefinition of the SI second. We present a measurement of the absolute frequency of this optical transition, per
Externí odkaz:
http://arxiv.org/abs/1707.00646
Autor:
King, Steven D., Nijhoff, Frank W.
A modern notion of integrability is that of multidimensional consistency (MDC), which classically implies the coexistence of (commuting) dynamical flows in several independent variables for one and the same dependent variable. This property holds for
Externí odkaz:
http://arxiv.org/abs/1702.08709
Akademický článek
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Autor:
Doležal, Miroslav, Balling, Petr, Nisbet-Jones, Peter B R, King, Steven A, Jones, Jonathan M, Klein, Hugh A, Gill, Patrick, Lindvall, Thomas, Wallin, Anders E, Merimaa, Mikko, Tamm, Christian, Sanner, Christian, Huntemann, Nils, Scharnhorst, Nils, Leroux, Ian D, Schmidt, Piet O, Burgermeister, Tobias, Mehlstäubler, Tanja E, Peik, Ekkehard
Publikováno v:
Metrologia 52 (2015) 842-56
In many of the high-precision optical frequency standards with trapped atoms or ions that are under development to date, the AC Stark shift induced by thermal radiation leads to a major contribution to the systematic uncertainty. We present an analys
Externí odkaz:
http://arxiv.org/abs/1510.05556