Bulletin of the American Physical Society
52nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 66, Number 6
Monday–Friday, May 31–June 4 2021; Virtual; Time Zone: Central Daylight Time, USA
Session V01: Poster Session III 4pm-6pm CDT
4:00 PM,
Thursday, June 3, 2021
Abstract: V01.00086 : Toward a spin-tensor-momentum coupled Bose-Einstein condensate
Presenter:
Benjamin D Smith
(Univ of Alberta)
Authors:
Benjamin D Smith
(Univ of Alberta)
Arina Taschilina
(Univ of Alberta)
Logan W Cooke
(Univ of Alberta)
Joseph Lindon
(Univ of Alberta)
Tian Ooi
(Univ of Alberta)
Lindsay J LeBlanc
(Univ of Alberta)
- The spin state of an electron has a 3-dimensional vector representation. In spin-orbit coupling (SOC), the electron’s external momentum becomes linked to its spin vector. This phenomenon appears in many different systems, including atomic and crystal band structure, (quantum) spin-Hall systems, and topological insulators. Previous experiments have used Raman coupling to generate and study several forms of SOC in pseudospin-1/2 ultracold gases. A similar method has been proposed to couple a quantum gas’ linear momentum with a spin tensor - a representation of a higher (spin-1+) state. While possessing a rich ground state phase diagram, this spin-tensor-momentum coupled system also provides an opportunity to directly observe a dynamical supersolid-like stripe phase with a tunable stripe period. This poster reports our experimental progress toward producing and characterizing this novel state of matter using a 87Rb Bose-Einstein condensate.
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