Feshbach Resonances in Fermionic Lithium-6
C. H. Schunck, M. W. Zwierlein, C. A. Stan, S. M. F. Raupach, W., Ketterle, A. Simoni, E. Tiesinga, C.J. Williams, P. S. Julienne
TL;DR
This paper reports experimental and theoretical analysis of Feshbach resonances in lithium-6, discovering new p-wave resonances and refining understanding of scattering lengths, with implications for ultracold atomic physics.
Contribution
It identifies three new p-wave Feshbach resonances in lithium-6 and provides a detailed analysis of their properties and systematic shifts.
Findings
Discovered three new p-wave resonances in lithium-6
Precisely measured four narrow resonances for scattering length determination
Analyzed systematic shifts affecting the broad resonance near 83 mT
Abstract
Feshbach resonances in lithium-6 were experimentally studied and theoretically analyzed. In addition to two previously known s-wave resonances, we found three p-wave resonances. Four of these resonances are narrow and yield a precise value of the singlet scattering length, but do not allow us to accurately predict the location of the broad resonance near 83 mT. Its position was previously measured in a molecule-dissociation experiment for which we, here, discuss systematic shifts.
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