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Decay by tunneling of Bosonic and Fermionic Tonks-Girardeau Gases

A. del Campo·F. Delgado·G. Garcia-Calderon·J. G. Muga·M. G. Raizen
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Abstract

We study the tunneling dynamics of bosonic and fermionic Tonks-Girardeau gases from a hard wall trap, in which one of the walls is substituted by a delta potential. Using the Fermi-Bose map, the decay of the probability to remain in the trap is studied as a function of both the number of particles and the intensity of the end-cap delta laser. The fermionic gas is shown to be a good candidate to study deviations of the non-exponential decay of the single-particle type, whereas for the bosonic case a novel regime of non-exponential decay appears due to the contributions of different resonances of the trap.

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A. del Campo, F. Delgado, G. Garcia-Calderon, J. G. Muga, M. G. Raizen. 2006-05-16. Decay by tunneling of Bosonic and Fermionic Tonks-Girardeau Gases. https://doi.org/10.1103/physreva.74.013605

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