Journal
PHYSICAL REVIEW LETTERS
Volume 95, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.95.243001
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We report on the trapping of long-lived strongly magnetized Rydberg atoms. Rb-85 atoms are laser cooled and collected in a superconducting magnetic trap with a strong bias field (2.9 T) and laser excited to Rydberg states. Collisions scatter a small fraction of the Rydberg atoms into long-lived high-angular momentum guiding-center Rydberg states, which are magnetically trapped. The Rydberg atomic cloud is examined using a time-delayed, position-sensitive probe. We observe magnetic trapping of these Rydberg atoms for times up to 200 ms. Oscillations of the Rydberg-atom cloud in the trap reveal an average magnetic moment of the trapped Rydberg atoms of approximate to-8 mu(B). These results provide guidance for other Rydberg-atom trapping schemes and illuminate a possible route for trapping antihydrogen.
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