Journal
SCIENCE
Volume 345, Issue 6194, Pages 306-309Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1250057
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Funding
- David and Lucile Packard Foundation
- National Science Foundation (NSF) [1125844]
- Clare Boothe Luce Foundation
- National Defense Science and Engineering Graduate Fellowships
- NSF Graduate Research Fellowship Program
- NSF-Physics at the Information Frontier
- Army Research Office
- Air Force Office of Scientific Research
- National Research Council postdoctoral fellowship
- Division Of Physics
- Direct For Mathematical & Physical Scien [1125844] Funding Source: National Science Foundation
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The quantum statistics of atoms is typically observed in the behavior of an ensemble via macroscopic observables. However, quantum statistics modifies the behavior of even two particles. Here, we demonstrate near-complete control over all the internal and external degrees of freedom of two laser-cooled Rb-87 atoms trapped in two optical tweezers. This controllability allows us to observe signatures of indistinguishability via two-particle interference. Our work establishes laser-cooled atoms in optical tweezers as a promising route to bottom-up engineering of scalable, low-entropy quantum systems.
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