Optically Enhanced Magnetic Resonance for the Study of Atom-Surface Interaction

dc.contributor.authorSuter, Dieter
dc.contributor.authorGrafström, Stefan
dc.date.accessioned2008-05-30T10:53:35Z
dc.date.available2008-05-30T10:53:35Z
dc.date.issued2004-02-19
dc.description.abstractWe study surface-induced spin relaxation with a laser-assisted magnetic resonance experiment. Optical pumping with polarization-modulated light in a transverse magnetic field creates the spin polarization. For detection a probe laser beam is reflected at the surface and the change of its polarization is monitored. We present a comprehensive theoretical description, taking into account the spin relaxation at the surface, which leads to a spatially inhomogeneous magnetization near the surface as a result of the transient behavior of the atoms in this region. Analytical expressions are derived for the magnetic resonance signal, which show that the wall relaxation causes a clear modification of the line shape, characterized by pronounced wings. The experimental results obtained with bare and silicone-coated Pyrex-glass surfaces are well described by the theory. The bare glass surface causes strong relaxation, whereas the silicone-coated surface is only weakly depolarizing. The analysis of the magnetic-resonance line shape indicates that the depolarization probability per wall collision is ~0.01 in the latter case. The results are compared with corresponding results from the analysis of the optical resonance line measured with the same setup. Both types of measurements can be interpreted within the same theoretical framework and are fully consistent with one another.en
dc.identifier.citationGrafström, Stefan; Suter, Dieter: Optically Enhanced Magnetic Resonance for the Study of Atom-Surface Interaction. In: Zeitschrift für Physik D Nr. 2, Jg. 38(1996), S. 119-132.de
dc.identifier.urihttp://hdl.handle.net/2003/25350
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-3050
dc.identifier.urlhttp://dx.doi.org/10.1007/s004600050074
dc.language.isoende
dc.publisherSpringerde
dc.rights© Springer. Part of Springer Science+Business Mediaen
dc.subject.ddc530
dc.titleOptically Enhanced Magnetic Resonance for the Study of Atom-Surface Interactionen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsrestricted
eldorado.identifier.urlhttp://e3.physik.tu-dortmund.de/~suter/eprints/OEMR_surface.pdf

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