Materials Research Laboratory

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Special QI/AMO Seminar: Engineering dispersion relationships for ultracold atoms

SpeakerLindsay LeBlanc
Time 4:00 pm  
Location 280 MRL
Sponsor Department of Physics
Contact Jason Maldonado
Phone 217-300-6431
Event type Seminar/Symposium
Views 782
Originating Calendar Physics - QI/AMO Seminar

In an effort to explore many-body and strongly correlated systems through quantum simulations with ultracold atoms, experimentalists continue to develop new tools for manipulating and measuring atomic systems with versatility and precision.  By exploiting the momentum transfer between light and atoms during the absorption and emission of photons in Raman processes, we are able to modify the single-particle dispersion relationship and engineer environments that effect simulated magnetic fields or spin-coupling for ultracold atoms.  Using these techniques, we have explored a number of applications within these environments.  I will focus on two recent experiments:  In one, we measured the analogue of the Hall effect in a Bose-Einstein condensate.  In another, we engineered a 1+1 dimensional Dirac Hamiltonian that allowed for the direct measurement of zitterbewegung in a BEC.

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