Search for new physics with atoms and molecules
This article reviews recent developments in tests of fundamental physics using atoms and
molecules, including the subjects of parity violation, searches for permanent electric dipole …
molecules, including the subjects of parity violation, searches for permanent electric dipole …
Optical atomic clocks
Optical atomic clocks represent the state of the art in the frontier of modern measurement
science. In this article a detailed review on the development of optical atomic clocks that are …
science. In this article a detailed review on the development of optical atomic clocks that are …
An optical atomic clock based on a highly charged ion
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 …
have found many applications in fundamental science and technology,–. The use of highly …
Single-Ion Atomic Clock with Systematic Uncertainty
We experimentally investigate an optical frequency standard based on the S 1/2 2 (F= 0)→ F
7/2 2 (F= 3) electric octupole (E 3) transition of a single trapped Yb+ 171 ion. For the …
7/2 2 (F= 3) electric octupole (E 3) transition of a single trapped Yb+ 171 ion. For the …
Optical clock comparison for Lorentz symmetry testing
Questioning basic assumptions about the structure of space and time has greatly enhanced
our understanding of nature. State-of-the-art atomic clocks,–make it possible to precisely test …
our understanding of nature. State-of-the-art atomic clocks,–make it possible to precisely test …
Frequency Ratio of Two Optical Clock Transitions in and Constraints on the Time Variation of Fundamental Constants
Singly ionized ytterbium, with ultranarrow optical clock transitions at 467 and 436 nm, is a
convenient system for the realization of optical atomic clocks and tests of present-day …
convenient system for the realization of optical atomic clocks and tests of present-day …
Atomic clocks for geodesy
TE Mehlstäubler, G Grosche, C Lisdat… - Reports on Progress …, 2018 - iopscience.iop.org
We review experimental progress on optical atomic clocks and frequency transfer, and
consider the prospects of using these technologies for geodetic measurements. Today …
consider the prospects of using these technologies for geodetic measurements. Today …
Improved Limit on a Temporal Variation of from Comparisons of and Cs Atomic Clocks
N Huntemann, B Lipphardt, C Tamm, V Gerginov… - Physical review …, 2014 - APS
Accurate measurements of different transition frequencies between atomic levels of the
electronic and hyperfine structure over time are used to investigate temporal variations of the …
electronic and hyperfine structure over time are used to investigate temporal variations of the …
High-Accuracy Optical Clock Based on the Octupole Transition in
N Huntemann, M Okhapkin, B Lipphardt, S Weyers… - Physical Review Letters, 2012 - APS
We experimentally investigate an optical frequency standard based on the 467 nm (642
THz) electric-octupole reference transition S 1/2 2 (F= 0)→ F 7/2 2 (F= 3) in a single trapped …
THz) electric-octupole reference transition S 1/2 2 (F= 0)→ F 7/2 2 (F= 3) in a single trapped …
Towards a redefinition of the second based on optical atomic clocks
F Riehle - Comptes Rendus. Physique, 2015 - comptes-rendus.academie-sciences …
Since 1967, the second as the base unit of time in the International System of Units (SI) is
defined via an unperturbed hyperfine transition in atomic caesium [1] that is interrogated by …
defined via an unperturbed hyperfine transition in atomic caesium [1] that is interrogated by …