In this work we are dealing with a mixture of Bose-Einstein Condensates (BEC), one of them being of Na atoms and the other of K. With the mixture of these two superfluids, we are going to investigate the effects of transferring quantum excitations, collective excitations and vortices, as well. Effects of modulation of the scattering length and excitation are being reviewed and will be object of investigation in the BEC of K and we will try to verify the thermalization with the second specie (Na).

© 2012 Optical Society of America

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