Auflistung Fakultät für Mathematik und Physik nach Titel

Auflistung Fakultät für Mathematik und Physik nach Titel

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  • Multiresonant Spinor Dynamics in a Bose-Einstein Condensate 
    Klempt, Carsten; Topic, O.; Gebreyesus, G.; Scherer, M.; Henninger, T.; Hyllus, P.; Ertmer, Wolfgang; Santos, Luis; Arlt, Jan J. (College Park : American Physical Society, 2009)
    We analyze the spinor dynamics of a (87)Rb F=2 condensate initially prepared in the m(F)=0 Zeeman sublevel. We show that this dynamics, characterized by the creation of correlated atomic pairs in m(F)=+/- 1, presents an ...
  • A Multiscale Investigation on the Thermal Transport in Polydimethylsiloxane Nanocomposites: Graphene vs. Borophene 
    Di Pierro, Alessandro; Mortazavi, Bohayra; Noori, Hamidreza; Rabczuk, Timon; Fina, Alberto (Basel : MDPI, 2021)
    Graphene and borophene are highly attractive two-dimensional materials with outstanding physical properties. In this study we employed combined atomistic continuum multi-scale modeling to explore the effective thermal ...
  • Myon-Einfang durch den 3He-Kern 
    Oelsner, Malte (Hannover : Universität Hannover, 1999)
    [no abstract]
  • Møller scattering and Lorentz-violating Z bosons 
    Fu, Hao; Lehnert, Ralf (College Park, MD : American Physical Society, 2016)
    Lorentz-symmetry breakdown in weak-interaction physics is studied. In particular, the CPT-even Lorentz-violating contributions to the Z boson in the minimal Standard-Model Extension are considered, and in this context ...
  • N-extended supersymmetric Calogero models 
    Krivonos, Sergey; Lechtenfeld, Olaf; Sutulin, Anton (Amsterdam : Elsevier B.V., 2018)
    We propose a new N-extended supersymmetric su(n) spin-Calogero model. Employing a generalized Hamiltonian reduction adopted to the supersymmetric case, we explicitly construct a novel rational n-particle Calogero model ...
  • Der N=2 String auf nicht trivialen Hintergründen 
    Spendig, Bernd (Hannover : Universität, 2002)
    [no abstract]
  • N=2 Strings und selbstduale Feldtheorien 
    Niemeyer, Bernd (Hannover : Universität, 2001)
    [no abstract]
  • N=2 supersymmetric gauge theories with nonpolynomial interactions 
    Theis, Ulrich Clemens (Hannover : Universität Hannover, 1999)
    [no abstract]
  • The N=4 effective action of type IIA supergravity compactified on SU(2)-structure manifolds 
    Danckaert, Thomas; Louis, Jan; Martinez-Pedrera, Danny; Spanjaard, Bastiaan; Triendl, Hagen (New York, NY : Springer International Publishing, 2011)
    We study compactifications of type IIA supergravity on six-dimensional manifolds with SU(2) structure and compute the low-energy effective action in terms of the non-trivial intrinsic torsion. The consistency with gauged ...
  • N=4 multi-particle mechanics, WDVV equation and roots 
    Lechtenfeld, Olaf; Schwerdtfeger, Konrad; Thürigen, Johannes (Kiew : National Academy of Science of Ukraine, 2011)
    We review the relation of N=4 superconformal multi-particle models on the real line to the WDVV equation and an associated linear equation for two prepotentials, F and U. The superspace treatment gives another variant of ...
  • N=4 supersymmetric AdS(5) vacua and their moduli spaces 
    Louis, Jan; Triendl, Hagen; Zagermann, Marco (New York : Springer, 2015-10-13)
    We classify the N = 4 supersymmetric AdS(5) backgrounds that arise as solutions of five-dimensional N = 4 gauged supergravity. We express our results in terms of the allowed embedding tensor components and identify the ...
  • N=4 supersymmetric mechanics on curved spaces 
    Kozyrev, Nikolay; Krivonos, Sergey; Lechtenfeld, Olaf; Nersessian, Armen; Sutulin, Anton (College Park, MD : American Physical Society, 2018)
    We present N=4 supersymmetric mechanics on n-dimensional Riemannian manifolds constructed within the Hamiltonian approach. The structure functions entering the supercharges and the Hamiltonian obey modified covariant ...
  • N=4 supersymmetry and the Belavin-Polyakov-Shvarts-Tyupkin instanton 
    Krivonos, Sergey; Lechtenfeld, Olaf; Sutulin, Anton (College Park (Maryland) : American Physical Society, 2010)
    In this paper we construct the Lagrangian and Hamiltonian formulations of N=4 supersymmetric systems describing the motion of an isospin particle on a conformally flat four-manifold with SO(4) isometry carrying the non-Abelian ...
  • Nahm equations in supersymmetric mechanics 
    Fedoruk, Sergey; Ivanov, Evgeny; Lechtenfeld, Olaf (Heidelberg : Springer Verlag, 2012)
    We elaborate on a novel model of N=4 supersymmetric mechanics with extra spin variables. A dynamical linear (1,4,3) multiplet is coupled to a "semi-dynamical" linear (3,4,1) multiplet representing spin degrees of freedom ...
  • Nano-antenna-assisted high-order harmonic generation 
    Pfullmann, Nils (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2012)
    [no abstract]
  • Nano-plasmonic near field phase matching of attosecond pulses 
    Shaaran, Tahir; Nicolas, Rana; Iwan, Bianca; Kovacev, Milutin; Merdji, Hamed (London : Nature Publishing Group, 2017)
    Nano-structures excited by light can enhance locally the electric field when tuned to plasmonic resonances. This phenomenon can be used to boost non-linear processes such as harmonic generation in crystals or in gases, ...
  • Nanofabrication of High-Resolution Periodic Structures with a Gap Size Below 100 nm by Two-Photon Polymerization 
    Zheng, Lei; Kurselis, Kestutis; El-Tamer, Ayman; Hinze, Ulf; Reinhardt, Carsten; Overmeyer, Ludger; Chichkov, Boris (New York : Springer New York LLC, 2019)
    In this paper, approaches for the realization of high-resolution periodic structures with gap sizes at sub-100 nm scale by two-photon polymerization (2PP) are presented. The impact of laser intensity on the feature sizes ...
  • Nanolithography with an atomic force microscope : quantum point contacts, quantum dots, and quantum rings 
    Keyser, Ulrich Felix (Hannover : Universität, 2002)
    [no abstract]
  • Nanomachining of mesoscopic electronic devices using an atomic force microscope 
    Schumacher, Hans W.; Keyser, U.F.; Zeitler, U.; Haug, Rolf J.; Eberl, K. (College Park, MD : American Institute of Physics, 1999)
    An atomic force microscope (AFM) is used to locally deplete the two-dimensional electron gas (2DEG) of a GaAs/AlGaAs heterostructure. The depletion is induced by repeated mechanical scribing of the surface layers of the ...
  • Nanooptics with surface plasmons and resonant nanoparticles 
    Reinhardt, Carsten (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2014)
    [no abstract]

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