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4 papers · 1 filter
Decoherence and Collisional Frequency Shifts of Trapped Bosons and Fermions
Kurt Gibble
We perform exact calculations of collisional frequency shifts for several fermions or bosons using a singlet and triplet basis for pairs of particles. The "factor of 2 controversy"…
Enhancing the area of a Raman atom interferometer using a versatile double-diffraction technique
Thomas Lévèque, A. Gauguet, Franck Michaud +2
IIn this paper we demonstrate a new scheme for Raman transitions which realize a symmetric momentum-space splitting of , deflecting the atomic wave-packets into the same…
Absolute frequency measurement of the 40Ca+ S1/2 - D5/2 clock transition
M. Chwalla, J. Benhelm, K. Kim +12
We report on the first absolute transition frequency measurement at the 10^{-15} level with a single, laser-cooled 40Ca+ ion in a linear Paul trap. For this measurement, a frequenc…
Limits to the sensitivity of a low noise compact atomic gravimeter
J. Le Gouët, Tanja Mehlstäubler, Jaewan Kim +4
A detailed analysis of the most relevant sources of phase noise in an atomic interferometer is carried out, both theoretically and experimentally. Even a short interrogation time o…