Observation of Magnetically Induced Trap Loss of Ultracold Thulium Atoms

We report the observation of influence of homogeneous magnetic field on an optical lattice losses of ultracold thulium atoms. The atomic cloud temperature was T = 15 mK. The dependence of trap population on a value of magnetic field has a broad resonance in the low-field region with a center at B =...

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Bibliographic Details
Main Authors: Kalganova, E.S., Vishnyakova, G.A., Golovizin, A.A., Tregubov, D.O., Sukachev, D.D., Akimov, A.V., Kolachevsky, N.N., Khabarova, K.Yu, Sorokin, V.N.
Format: Conference Proceeding
Language:English
Subjects:
Clouds
Dependence
Electrons
Feshbach resonance
Magnetic fields
Magnetic resonance
Optical lattices
Resonance scattering
Scattering
Thulium
ultracold atoms
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Summary:We report the observation of influence of homogeneous magnetic field on an optical lattice losses of ultracold thulium atoms. The atomic cloud temperature was T = 15 mK. The dependence of trap population on a value of magnetic field has a broad resonance in the low-field region with a center at B = 0.4 G. We also have measured a decrease of optical lattice lifetime in a presence of resonance magnetic field. The observed magnetically-induced trap losses are assumed to be Feshbach resonance which is a dependence of an atomic scattering length on magnetic field.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201510306003