Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.190401
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Funding
- NSF
- AFOSR
- ARO-MURI on Quantum Circuits
- David and Lucille Packard Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0847469, 1262062] Funding Source: National Science Foundation
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We report the Bose-Einstein condensation (BEC) of the most magnetic element, dysprosium. The Dy BEC is the first for an open f-shell lanthanide (rare-earth) element and is produced via forced evaporation in a crossed optical dipole trap loaded by an unusual, blue-detuned and spin-polarized narrowline magneto-optical trap. Nearly pure condensates of 1.5 x 10(4) 16(4)Dy atoms form below T = 30 nK. We observe that stable BEC formation depends on the relative angle of a small polarizing magnetic field to the axis of the oblate trap, a property of trapped condensates only expected in the strongly dipolar regime. This regime was heretofore only attainable in Cr BECs via a Feshbach resonance accessed at a high-magnetic field.
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