Fortschritte der Physik

Cover image for Vol. 63 Issue 6

Editor: Dieter Lüst, Wolfgang Schleich (Co-Editor)

Impact Factor: 2.442

ISI Journal Citation Reports © Ranking: 2014: 17/78 (Physics Multidisciplinary)

Online ISSN: 1521-3978

Associated Title(s): Annalen der Physik

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AdS/CFT correspondence · black holes · conformal fields · cosmology · d-branes · gauge fields · gravity · Lie algebras · noncommutative geometry · quantum entanglement · quantum field theories · quantum gravity · quantum groups · quantum information · quantum physics · qubits · standard model · string theories · supergravity · supersymmetry ·

Recently Published Articles

  1. Mechanisms of matter-wave diffraction and their application to interferometers (pages 337–410)

    Enno Giese

    Article first published online: 22 JUN 2015 | DOI: 10.1002/prop.201500020

    Thumbnail image of graphical abstract

    Light pulses have proven to be a powerful and versatile tool to implement beam splitters and mirrors for matter waves enabling atom interferometers. However, for high-precision measurements with such devices the specific realization is crucial and novel techniques might increase the sensitivity. To illustrate the diversity of light-pulse beam splitting and the subtle differences between the diffraction mechanisms, we study atomic Raman, Bragg, and the new method of double Bragg diffraction in a coherent way. Moreover, we introduce a versatile formalism to determine the interference signal of a Mach-Zehnder geometry and give an interpretation in terms of proper-time difference. In addition, we explore the feasibility of a specular mirror for atoms, which might lead to an interferometer testing the equivalence principle.

  2. You have free access to this content
    Contents: Fortschritte der Physik 6 / 2015 (pages A9–A10)

    Article first published online: 22 JUN 2015 | DOI: 10.1002/prop.201520006

  3. You have free access to this content
    Issue Information: Fortschritte der Physik 6 / 2015

    Article first published online: 22 JUN 2015 | DOI: 10.1002/prop.201570011

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    Cover Picture: Fortschritte der Physik 6 / 2015

    Article first published online: 22 JUN 2015 | DOI: 10.1002/prop.201570010

    Thumbnail image of graphical abstract

    The cover page shows absorption images of four Bose-Einstein condensates generated consecutively during the nine seconds of free fall in a single launch of the catapult located at the bottom of the Bremen Drop Tower. The condensates were observed at different times (25, 50, 75 and 100 ms), illustrating the expansion of the wave-packet. This experiment was performed using in a miniaturized ultra-cold atom trap by the QUANTUS collaboration supported by the German Space Agency DLR. The graphics was designed by Jan Rudolph and Holger Ahlers from the group of Prof. Ernst Maria Rasel (Leibniz Universität Hannover).

  5. Higher-Dimensional Unification with continuous and fuzzy coset spaces as extra dimensions

    D. Gavriil, G. Manolakos, G. Orfanidis and G. Zoupanos

    Article first published online: 17 JUN 2015 | DOI: 10.1002/prop.201500022

    We first review the Coset Space Dimensional Reduction (CSDR) programme and present the best model constructed so far based on the inline image, 10-dimensional E8 gauge theory reduced over the nearly-Kähler manifold inline image with the additional use of the Wilson flux mechanism. Then we present the corresponding programme in the case that the extra dimensions are considered to be fuzzy coset spaces and the best model that has been constructed in this framework too. In both cases the best model appears to be the trinification GUT inline image.

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