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p-Wave interactions in low-dimensional fermionic gases | | Kenneth Günter
; Thilo Stöferle
; Henning Moritz
; Michael Köhl
; Tilman Esslinger
; | | Date: |
2 Dec 2005 | | Journal: | Phys Rev Lett, 95 (23), 230401 | | Abstract: | We study a spin-polarized degenerate Fermi gas interacting via a p-wave Feshbach resonance in an optical lattice. The strong confinement available in this system allows us to realize one- and two-dimensional gases and, therefore, to restrict the asymptotic scattering states of atomic collisions. When aligning the atomic spins along (or perpendicular to) the axis of motion in a one-dimensional gas, scattering into channels with the projection of the angular momentum of /m/ = 1 (or m = 0) can be inhibited. In two and three dimensions, we observe the doublet structure of the p-wave Feshbach resonance. For both the one-dimensional and the two-dimensional gases, we find a shift of the position of the resonance with increasing confinement due to the change in collisional energy. In a three-dimensional optical lattice, the losses on the Feshbach resonance are completely suppressed. | | Source: | PubMed, pmid16384278 | | Services: | Forum | Review | Favorites | |
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