Magnetostatic field noise near metallic surfaces

@article{citeulike:1930312, abstract = {We develop an effective low-frequency theory of the electromagnetic field in equilibrium with thermal objects. The aim is to compute thermal magnetic noise spectra close to metallic microstructures. We focus on the limit where the material response is characterised by the electric conductivity. At the boundary between empty space and metallic microstructures, a large jump occurs in the dielectric function which leads to a partial screening of low-frequency magnetic fields generated by thermal current fluctuations. We resolve a discrepancy between two approaches used in the past to compute magnetic field noise spectra close to microstructured materials.}, author = {Henkel, C. }, citeulike-article-id = {1930312}, doi = {10.1140/epjd/e2005-00188-3}, journal = {The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics}, keywords = {atom-chips, coherence, heating, loss, magnetic-noise, microtraps, surface-effects}, number = {1}, pages = {59--67}, posted-at = {2007-11-17 11:12:37}, priority = {2}, title = {Magnetostatic field noise near metallic surfaces}, url = {http://dx.doi.org/10.1140/epjd/e2005-00188-3}, volume = {35}, year = {2005} }

TY - JOUR ID - citeulike:1930312 L3 - citeulike-article-id:1930312 TI - Magnetostatic field noise near metallic surfaces JF - The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics VL - 35 IS - 1 SP - 59 EP - 67 N2 - We develop an effective low-frequency theory of the electromagnetic field in equilibrium with thermal objects. The aim is to compute thermal magnetic noise spectra close to metallic microstructures. We focus on the limit where the material response is characterised by the electric conductivity. At the boundary between empty space and metallic microstructures, a large jump occurs in the dielectric function which leads to a partial screening of low-frequency magnetic fields generated by thermal current fluctuations. We resolve a discrepancy between two approaches used in the past to compute magnetic field noise spectra close to microstructured materials. KW - atom-chips KW - coherence KW - heating KW - loss KW - magnetic-noise KW - microtraps KW - surface-effects AU - Henkel, C PY - 2005//01/ UR - http://dx.doi.org/10.1140/epjd/e2005-00188-3 ER -