M Grupp et al 2007 J. Phys. B: At. Mol. Opt. Phys. 40 2703 doi:10.1088/0953-4075/40/13/014
M Grupp1, R Walser1, W P Schleich1, A Muramatsu2 and M Weitz3
Show affiliationsWe consider Feshbach scattering of fermions in a one-dimensional optical lattice. By formulating the scattering theory in the crystal momentum basis, one can exploit the lattice symmetry and factorize the scattering problem in terms of centre-of-mass and relative momentum in the reduced Brillouin zone scheme. Within a single-band approximation, we can tune the position of a Feshbach resonance with the centre-of-mass momentum due to the non-parabolic form of the energy band.
31.15.-p Calculations and mathematical techniques in atomic and molecular physics
Issue 13 (14 July 2007)
Received 10 May 2007, in final form 17 May 2007
Published 20 June 2007
M Grupp et al 2007 J. Phys. B: At. Mol. Opt. Phys. 40 2703
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