Ultracold atomic system provides us a versatile platform to address problems ranging from quasi-particle excitations supported by a variety of ground states, to cold collisions which could lead to a precise determination of interatomic molecular potential, and to atomtronics focusing on atomic analogues of electronic components. In this dissertation, I describe our efforts in exploring a wide topic range by our \Rb Bose Einstein condensate (BEC) machine and \Li - \Rb mixture machine, including magnons, which are collective spin excitations supported by Rb F = 1 ferromagnetic BEC ground state, cold elastic collisions between Li and Rb co-trapped in a spherical quadrupole trap, and Li spin dynamics in a spin bath formed by Rb.
|Commitee:||Muller, Holger, Wu, Ming C|
|School:||University of California, Berkeley|
|School Location:||United States -- California|
|Source:||DAI-B 81/9(E), Dissertation Abstracts International|
|Subjects:||Physics, Atomic physics|
|Keywords:||Bose Einstein condensate, Cross dimensional relaxation, Heteronuclear, Magnon condensation, Spin dependent interaction, Ultracold atoms|
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