Abstract

The investigation of atomic spin systems is central for the understanding of magnetism and a highly active area of research, e.g., with respect to magnetic nanosystems, spintronics, and magnetic interaction in high Tc superconductors. In addition, entangled spin systems in atomic quantum gases show intriguing prospects for quantum optics and quantum computation [1, 2]. Bose-Einstein condensates (BEC) over new regimes for studies of collective spin phenomena. BECs with a spin degree of freedom are special in the sense that their order parameter is a vector in contrast to the "common" BEC where it is a scalar. In addition, evidence of spin dynamics was demonstrated in optically trapped 87Rb in the F = 1 state. There is current interest in extending the systems under investigation to F = 2 spinor condensates[3], which many new physics phenomena are discovered.

© 2005 Optical Society of America

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