In many-body systems governed by pairwise contact interactions, a wide range of observables is linked by a single parameter, the two-body contact, which quantifies two-particle correlations. This profound insight has transformed our understanding of strongly interacting Fermi gases. Using Ramsey interferometry, we studied coherent evolution of the resonantly interacting Bose gas, and we show here that it cannot be explained by only pairwise correlations. Our experiments reveal the crucial role of three-body correlations arising from Efimov physics and provide a direct measurement of the associated three- body contact.
机构:
ENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, FranceENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, France
Chevy, F.
Salomon, C.
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ENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, FranceENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, France
机构:
Univ Chicago, Dept Phys, Chicago, IL 60637 USA
Univ Chicago, James Franck Inst, Chicago, IL 60637 USAUniv Chicago, Dept Phys, Chicago, IL 60637 USA
Chin, Cheng
Grimm, Rudolf
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Univ Innsbruck, Ctr Quantum Phys, A-6020 Innsbruck, Austria
Univ Innsbruck, Inst Expt Phys, A-6020 Innsbruck, Austria
Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-6020 Innsbruck, AustriaUniv Chicago, Dept Phys, Chicago, IL 60637 USA
Grimm, Rudolf
Julienne, Paul
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NIST, Joint Quantum Inst, Gaithersburg, MD 20899 USA
Univ Maryland, Gaithersburg, MD 20899 USAUniv Chicago, Dept Phys, Chicago, IL 60637 USA
机构:
ENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, FranceENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, France
Chevy, F.
Salomon, C.
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h-index: 0
机构:
ENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, FranceENS PSL Res Univ, Lab Kastler Brossel, CNRS, UPMC,Coll France, 24 Rue Lhomond, F-75005 Paris, France
机构:
Univ Chicago, Dept Phys, Chicago, IL 60637 USA
Univ Chicago, James Franck Inst, Chicago, IL 60637 USAUniv Chicago, Dept Phys, Chicago, IL 60637 USA
Chin, Cheng
Grimm, Rudolf
论文数: 0引用数: 0
h-index: 0
机构:
Univ Innsbruck, Ctr Quantum Phys, A-6020 Innsbruck, Austria
Univ Innsbruck, Inst Expt Phys, A-6020 Innsbruck, Austria
Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-6020 Innsbruck, AustriaUniv Chicago, Dept Phys, Chicago, IL 60637 USA
Grimm, Rudolf
Julienne, Paul
论文数: 0引用数: 0
h-index: 0
机构:
NIST, Joint Quantum Inst, Gaithersburg, MD 20899 USA
Univ Maryland, Gaithersburg, MD 20899 USAUniv Chicago, Dept Phys, Chicago, IL 60637 USA