Effect of magnetization inhomogeneity on magnetic microtraps for atoms Export

@article{citeulike:2005828, abstract = {We report on the origin of fragmentation of ultracold atoms observed on a magnetic film atom chip. Radio frequency spectroscopy and optical imaging of the trapped atoms is used to characterize small spatial variations of the magnetic field near the film surface. Direct observations indicate the fragmentation is due to a corrugation of the magnetic potential caused by long range inhomogeneity in the film magnetization. A model which takes into account two-dimensional variations of the film magnetization is consistent with the observations.}, author = {Whitlock, S. and Hall, B. V. and Roach, T. and Anderson, R. and Volk, M. and Hannaford, P. and Sidorov, A. I.}, citeulike-article-id = {2005828}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLRAAN000075000004043602000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRA/v75/e043602}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevA.75.043602}, doi = {10.1103/PhysRevA.75.043602}, journal = {Physical Review A (Atomic, Molecular, and Optical Physics)}, keywords = {atom-chips, disorder, magnetic-films, magnetic-noise, microtraps, rf-spectroscopy, surface-effects}, number = {4}, posted-at = {2007-11-28 16:08:55}, priority = {0}, publisher = {APS}, title = {Effect of magnetization inhomogeneity on magnetic microtraps for atoms}, url = {http://dx.doi.org/10.1103/PhysRevA.75.043602}, volume = {75}, year = {2007} }

TY - JOUR ID - citeulike:2005828 L3 - citeulike-article-id:2005828 N2 - We report on the origin of fragmentation of ultracold atoms observed on a magnetic film atom chip. Radio frequency spectroscopy and optical imaging of the trapped atoms is used to characterize small spatial variations of the magnetic field near the film surface. Direct observations indicate the fragmentation is due to a corrugation of the magnetic potential caused by long range inhomogeneity in the film magnetization. A model which takes into account two-dimensional variations of the film magnetization is consistent with the observations. IS - 4 JF - Physical Review A (Atomic, Molecular, and Optical Physics) TI - Effect of magnetization inhomogeneity on magnetic microtraps for atoms PB - APS VL - 75 KW - atom-chips KW - disorder KW - magnetic-films KW - magnetic-noise KW - microtraps KW - rf-spectroscopy KW - surface-effects AU - Whitlock, S AU - Hall, BV AU - Roach, T AU - Anderson, R AU - Volk, M AU - Hannaford, P AU - Sidorov, AI PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevA.75.043602 ER -