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Strongly interacting Bose gases

Event Details

Event Dates: 

Tuesday, September 13, 2016 - 3:00pm

Seminar Location: 

  • JILA Auditorium

Speaker Name(s): 

Zoran Hadzibabic

Speaker Affiliation(s): 

University of Cambridge
Seminar Type/Subject

Scientific Seminar Type: 

  • JILA Public Seminar

Event Details & Abstract: 

In this relatively informal (unpolished) talk I will present two recent experiments on strongly interacting Bose gases. In one experiment we use Ramsey interferometry to measure both two- and three-body contacts in a harmonically trapped thermal gas with resonantly enhanced interactions [1]. In the second experiment we use Bragg spectroscopy to study a homogeneous (box-trapped) strongly interacting BEC. From these measurements we extract complementary information about the two-body contact, structure factor and quantum depletion. Our measurements are generally in excellent agreement with theory, but some things we still do not understand.

[1] Richard J. Fletcher et al., arXiv:1608.04377

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