Collisional Losses, Decoherence, and Frequency Shifts in Optical Lattice Clocks with Bosons

2009/04/30 by Christian Lisdat, Ch. Lisdat, J. S. R. Vellore Winfred +6
Physics and Astronomy · #Advanced Frequency and Time Standards #Atomic and Subatomic Physics Research #Atomic physics #Boson #Cold Atom Physics and Bose-Einstein Condensates #Lattice (music) #Optical lattice #Physics #Quantum #Quantum decoherence #Quantum mechanics #physics.atom-ph

paper · pdf · doi:10.1103/physrevlett.103.090801

published as Phys. Rev. Lett. Vol. 103, 090801 (2009) · 4 pages, 3 figures

arxiv created 2009/05/07 · openalex publication_date 2009/08/28 · arxiv updated 2015/04/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We have quantified collisional losses, decoherence and the collision shift in a one-dimensional optical lattice clock on the highly forbidden transition (1)S(0)-(3)P(0) at 698 nm with bosonic (88)Sr. We were able to distinguish two loss channels: inelastic collisions between atoms in the upper and lower clock state and atoms in the upper clock state only. Based on the measured coefficients, we determine the operation parameters at which a 1D-lattice clock with (88)Sr shows no degradation due to collisions on the fractional uncertainty level of 10(-16).

Citations

• Frequency Ratio of Al+and Hg+Single-Ion Optical Clocks; Metrology at the 17th Decimal Place
• Frequency evaluation of the doubly forbiddenS0<mml:none/><mml:none/><mml:mprescripts/><mml:none/>1→P0<mml:none/><mml:none/><mml:mprescripts/><mml:none/>3transition in bosonicYb<mml:none/><mml:none/><mml:mprescripts/><mml:none/>174
• Probing Interactions Between Ultracold Fermions
• The absolute frequency of the87Sr optical clock transition
• Properties of the triplet metastable states of the alkaline-earth-metal atoms