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Hannover 2010 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 64: Matterwave Optics II

Q 64.6: Vortrag

Freitag, 12. März 2010, 15:15–15:30, A 320

Towards near-field interferometry with massive metal clusters — •Philipp Haslinger1, Nadine Dörre1, Philipp Geyer1, Stefan Nimmrichter1, Klaus Hornberger2, Bernd v. Issendorff3, and Markus Arndt11Faculty of Physics, University of Vienna, Austria — 2Max-Planck Institute for the Physics of Complex Systems, Dresden, Germany — 3Universität Freiburg, Germany

Throughout the last decade quantum interferometry with complex matter has grown from a Gedankenexperiment to a well developed field of research. Here we discuss the merits and draw-backs of far-field diffraction at material [1] and optical [2] gratings as well as a near-field interferometer that allows to increase both the detected flux as well as the mass limits in de Broglie interferometry [3,4]. A most promising instrument, at present, is an all-optical Talbot-Lau interferometer. It promises to shift matter wave interferometry to masses even beyond the limit of a million atomic mass units [5]. We discuss how such an interferometer can become important for exploring fundamental decoherence and dephasing phenomena and how it can become useful as a tool for measuring the electromagnetic or structural properties of nanoparticles [6].

[1] Arndt et al. Nature 401, 680 (1999) [2] O. Nairz et al. Phys. Rev. Lett. 87, 160401 (2001) [3]Brezger et al. Phys. Rev. Lett. 88, 100404 (2002) [4]Gerlich et al. NATURE PHYSICS 3, 711 (2007) [5]Reiger et al. Opt. Comm. 264, 326 332 (2006) [6]Gerlich et al. Angew.Chem.Int.Ed. 47, 6195 (2008)

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