Feasibility of studying vortex noise in two-dimensional superconductors with cold atoms Export

@article{citeulike:2005890, abstract = {We investigate the feasibility of using ultracold neutral atoms trapped near a thin superconductor to study vortex noise close to the Kosterlitz-Thouless-Berezinskii transition temperature. Alkali atoms such as rubidium probe the magnetic field produced by the vortices. We show that the relaxation time T1 of the Zeeman sublevel populations can be conveniently adjusted to provide long observation times. We also show that the transverse relaxation times T2 for Zeeman coherences are ideal for studying the vortex noise. We briefly consider the motion of atom clouds held close to the surface as a method for monitoring the vortex motion.}, author = {Scheel, Stefan and Fermani, Rachele and Hinds, E. A.}, citeulike-article-id = {2005890}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLRAAN000075000006064901000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRA/v75/e064901}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevA.75.064901}, doi = {10.1103/PhysRevA.75.064901}, journal = {Physical Review A (Atomic, Molecular, and Optical Physics)}, keywords = {atom-chips, bec-sensor, superconductors, surface-effects}, number = {6}, posted-at = {2007-11-28 16:21:04}, priority = {2}, publisher = {APS}, title = {Feasibility of studying vortex noise in two-dimensional superconductors with cold atoms}, url = {http://dx.doi.org/10.1103/PhysRevA.75.064901}, volume = {75}, year = {2007} }

TY - JOUR ID - citeulike:2005890 L3 - citeulike-article-id:2005890 N2 - We investigate the feasibility of using ultracold neutral atoms trapped near a thin superconductor to study vortex noise close to the Kosterlitz-Thouless-Berezinskii transition temperature. Alkali atoms such as rubidium probe the magnetic field produced by the vortices. We show that the relaxation time T1 of the Zeeman sublevel populations can be conveniently adjusted to provide long observation times. We also show that the transverse relaxation times T2 for Zeeman coherences are ideal for studying the vortex noise. We briefly consider the motion of atom clouds held close to the surface as a method for monitoring the vortex motion. IS - 6 JF - Physical Review A (Atomic, Molecular, and Optical Physics) TI - Feasibility of studying vortex noise in two-dimensional superconductors with cold atoms PB - APS VL - 75 KW - atom-chips KW - bec-sensor KW - superconductors KW - surface-effects AU - Scheel, Stefan AU - Fermani, Rachele AU - Hinds, EA PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevA.75.064901 ER -