| To achieve Bose-Einstein condensate (BEC) state, one major approach is to use an efficient magnetic trap for evaporative cooling, which is one of the key steps. In our experiment, we designed and implemented a millimeter-scale Ioffe-Pritchard trap, Mini-Trap. This is not only a new instrument to achieve BEC but a novel concept.; It is well known that 7Li is hard to approach BEC state. We were able to realize quantum degeneracy for Lithium. In this thesis we also present a simple double well implementation and collisional dynamics in such a trap. The capability demonstrated by Mini-Trap for Lithium scales well for other alkalic particles. Our versatile design and compact setup proved to be a good choice as a platform for a portable interference measurement system.; Lithium's unique feature of negative scattering length also makes a candidate for Schrodinger cat state. Atomic Schrodinger cat could be more interesting for research study and future applications because of the easy quantum control and extremely long coherence time.; The research explores the characteristics for 7 Li atoms in quantum degeneracy regime. And the study of the atomic Schrodinger Cat state is also another main subject for this thesis. |
