Journal
PHYSICAL REVIEW LETTERS
Volume 106, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.193201
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Funding
- NSF
- AFOSR
- Petroleum Research fund
- A. P. Sloan Foundation
- EPSRC
- EPSRC [EP/I012044/1, EP/E039200/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I012044/1, EP/E039200/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [0748742] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [1125844] Funding Source: National Science Foundation
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Controlling interactions between cold molecules using external fields can elucidate the role of quantum mechanics in molecular collisions. We create a new experimental platform in which ultracold rubidium atoms and cold ammonia molecules are separately trapped by magnetic and electric fields and then combined to study collisions. We observe inelastic processes that are faster than expected from earlier field-free calculations. We use quantum scattering calculations to show that electric fields can have a major effect on collision outcomes, even in the absence of dipole-dipole interactions.
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