Seeking better times: atomic clocks in the generalized Tonks-Girardeau regime

Details Seeking better times: atomic clocks in the generalized Tonks-Girardeau regime Seeking better times: atomic clocks in the generalized Tonks-Girardeau regime

2007-11-20

arxiv.org/abs/0711.3116v2

J. Phys.: Conf. Ser. 99, 012014 (2008)

Physics

Quantum Physics

Revised manuscript, 8 pages, 8 figures, proceedings of the 395th WE-Heraeus Seminar on "Time Dependent Phenomena in Quantum Me

Scientific paper

10.1088/1742-6596/99/1/012014

This article is based on the talk with the same title at the Blaubeuren meeting. First we discuss briefly the importance of time and time keeping, explaining the basic functioning of clocks in general and atomic clocks in particular, which rely on Ramsey interferometry. The usefulness of cold atoms is discussed as well as their limits in Bose-Einstein condensates. An alternative that we study is a different cold-atom regime: the Tonks-Girardeau (TG) gas of tightly confined and strongly interacting bosons. The TG gas is reviewed and then generalized for two-level atoms. Finally, we explore the combination of Ramsey interferometry and TG gases.

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