Measurement of the Temperature Dependence of the Casimir-Polder Force

@article{citeulike:1096185, abstract = {We report on the first measurement of a temperature dependence of the Casimir-Polder force. This measurement was obtained by positioning a nearly pure 87Rb Bose-Einstein condensate a few microns from a dielectric substrate and exciting its dipole oscillation. Changes in the collective oscillation frequency of the magnetically trapped atoms result from spatial variations in the surface-atom force. In our experiment, the dielectric substrate is heated up to 605\ K, while the surrounding environment is kept near room temperature (310\ K). The effect of the Casimir-Polder force is measured to be nearly 3 times larger for a 605\ K substrate than for a room-temperature substrate, showing a clear temperature dependence in agreement with theory.}, author = {Obrecht, J. M. and Wild, R. J. and Antezza, M. and Pitaevskii, L. P. and Stringari, S. and Cornell, E. A. }, citeulike-article-id = {1096185}, doi = {10.1103/PhysRevLett.98.063201}, journal = {Physical Review Letters}, keywords = {bose, casmir, casmir-polder, condensate, einstein, electromagnetic, field, fluctuation, force, mems, physics}, number = {6}, posted-at = {2007-02-09 06:54:23}, priority = {5}, publisher = {APS}, title = {Measurement of the Temperature Dependence of the Casimir-Polder Force}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000098000006063201000001\&idtype=cvips\&gifs=yes}, volume = {98}, year = {2007} }

TY - JOUR ID - citeulike:1096185 L3 - citeulike-article-id:1096185 TI - Measurement of the Temperature Dependence of the Casimir-Polder Force JF - Physical Review Letters VL - 98 IS - 6 PB - APS N2 - We report on the first measurement of a temperature dependence of the Casimir-Polder force. This measurement was obtained by positioning a nearly pure 87Rb Bose-Einstein condensate a few microns from a dielectric substrate and exciting its dipole oscillation. Changes in the collective oscillation frequency of the magnetically trapped atoms result from spatial variations in the surface-atom force. In our experiment, the dielectric substrate is heated up to 605 K, while the surrounding environment is kept near room temperature (310 K). The effect of the Casimir-Polder force is measured to be nearly 3 times larger for a 605 K substrate than for a room-temperature substrate, showing a clear temperature dependence in agreement with theory. KW - bose KW - casmir KW - casmir-polder KW - condensate KW - einstein KW - electromagnetic KW - field KW - fluctuation KW - force KW - mems KW - physics AU - Obrecht, JM AU - Wild, RJ AU - Antezza, M AU - Pitaevskii, LP AU - Stringari, S AU - Cornell, EA PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000006063201000001&idtype=cvips&gifs=yes ER -