Auflistung Fakultät für Mathematik und Physik nach Titel

Auflistung Fakultät für Mathematik und Physik nach Titel

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  • UHV-Lithographiemethoden zur Herstellung und Charakterisierung von metallischen Nanosystemen 
    Block, Tammo (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2007)
    [no abstract]
  • Ultra-Dilute Gas of Polarons in a Bose–Einstein Condensate 
    Ardila, Luis A. Peña (Basel : MDPI, 2022)
    We investigate the properties of a dilute gas of impurities embedded in an ultracold gas of bosons that forms a Bose–Einstein condensate (BEC). This work focuses mainly on the equation of state (EoS) of the impurity gas ...
  • Ultra-low vibration closed-cycle cryogenic surface-electrode ion trap apparatus 
    Dubielzig, Timko (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)
    Trapped ions are one of the leading platforms for building scalable quantum information processors. Current ion traps run on less than 100 qubits. A useful quantum computer needs to operate thousands or even millions of ...
  • Ultra-stable clock laser system development towards space applications 
    Swierad, Dariusz; Häfner, Sebastian; Vogt, Stefan; Venon, Bertrand; Holleville, David; Bize, Sebastien; Kulosa, André; Bode, Sebastian; Singh, Yeshpal; Bongs, Kai; Rasel, Ernst Maria; Lodewyck, Jerome; Le Targat, Rodolphe; Lisdat, Christian; Sterr, Uwe (London : Nature Publishing Group, 2016)
    The increasing performance of optical lattice clocks has made them attractive for scientific applications in space and thus has pushed the development of their components including the interrogation lasers of the clock ...
  • Ultra-stable laser based on a cryogenic single-crystal silicon cavity 
    Hagemann, Christian (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2013)
    [no abstract]
  • Ultra-thin passivation layers in Cu(In,Ga)Se2 thin-film solar cells: full-area passivated front contacts and their impact on bulk doping 
    Werner, Florian; Veith-Wolf, Boris; Melchiorre, Michele; Babbe, Finn; Schmidt, Jan; Siebentritt, Susanne ([London] : Macmillan Publishers Limited, part of Springer Nature, 2020)
    In the search for highly transparent and non-toxic alternative front layers replacing state-of-the-art CdS in Cu(In,Ga)Se2 thin-film solar cells, alternatives rarely exceed reference devices in terms of efficiency. Full-area ...
  • Ultracold atom interferometry in space 
    Lachmann, Maike D.; Ahlers, Holger; Becker, Dennis; Dinkelaker, Aline N.; Grosse, Jens; Hellmig, Ortwin; Müntinga, Hauke; Schkolnik, Vladimir; Seidel, Stephan T.; Wendrich, Thijs; Wenzlawski, André; Carrick, Benjamin; Gaaloul, Naceur; Lüdtke, Daniel; Braxmaier, Claus; Ertmer, Wolfgang; Krutzik, Markus; Lämmerzahl, Claus; Peters, Achim; Schleich, Wolfgang P.; Sengstock, Klaus; Wicht, Andreas; Windpassinger, Patrick; Rasel, Ernst M. (London : Nature Publishing Group, 2021)
    Bose-Einstein condensates (BECs) in free fall constitute a promising source for space-borne interferometry. Indeed, BECs enjoy a slowly expanding wave function, display a large spatial coherence and can be engineered and ...
  • Ultracold atomic Bose and Fermi spinor gases in optical lattices 
    Eckert, K.; Zawitkowski, L.; Leskinen, M. J.; Sanpera, A.; Lewenstein, M. (Bristol : IOP Publishing Ltd., 2007)
    We investigate magnetic properties of Mott-insulating phases of ultracold Bose and Fermi spinor gases in optical lattices. We consider in particular the F = 2 Bose gas, and the F = 3/2 and 5/2 Fermi gases. We derive effective ...
  • Ultracold atomic gases in artificial magnetic fields 
    Osterloh, Klaus (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2006)
    [no abstract]
  • Ultracold bosons in zig-zag optical lattices 
    Greschner, Sebastian; Santos, Luis; Vekua, T. (College Park, MD : American Physical Society, 2013)
    Ultracold bosons in zig-zag optical lattices present a rich physics due to the interplay between frustration induced by lattice geometry, two-body interactions, and a three-body constraint. Unconstrained bosons may develop ...
  • Ultracold chemistry and its reaction kinetics 
    Richter, Florian; Becker, Daniel; Bény, Cédric; Schulze, Torben A.; Ospelkaus, Silke; Osborne, Tobias J. (Bristol : IOP Publishing Ltd, 2015)
    We study the reaction kinetics of chemical processes occurring in the ultracold regime and systematically investigate their dynamics. Quantum entanglement is found to play a key role in driving an ultracold reaction towards ...
  • Ultracold dipolar gases in deep optical lattices 
    Klawunn, Michael (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2009)
    [no abstract]
  • An ultracold gas of bosonic 23Na39K ground-state molecules 
    Voges, Kai Konrad (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)
    Ultracold bialkali polar molecules play a leading part at the frontline of quantum physics. They recently attract a lot of attention in the field of ultracold quantum chemistry, quantum many-body physics and quantum ...
  • Ultrafast polychromatic ionization of dielectric solids 
    Jürgens, P.; Jupé, M.; Gyamfi, M.; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)
    The modeling of the laser-induced damage processes can be divided into thermal and electronic processes. Especially, electronic damage seems to be well understood. In corresponding models, the damage threshold is linked ...
  • Ultrafast switching with nonlinear optics in thin films 
    Steinecke, Morten; Jupé, Marco; Wienke, Andreas; Ristau, Detlev (Washington, DC : Optical Soc. of America, 2023)
    We demonstrate a novel, to the best of our knowledge, concept for an all-optical switch based on the optical Kerr effect in optical interference coatings. The utilization of the internal intensity enhancement in thin film ...
  • Ultrahigh bandwidth spin noise spectroscopy: Detection of large g-factor fluctuations in highly-n-doped GaAs 
    Berski, Fabian; Kuhn, Hendrik; Lonnemann, Jan G.; Hübner, Jens; Oestreich, Michael (College Park, MD : American Physical Society, 2013)
    We advance all optical spin noise spectroscopy (SNS) in semiconductors to detection bandwidths of several hundred gigahertz by employing a sophisticated scheme of pulse trains from ultrafast laser oscillators as an optical ...
  • Ultrakalte heteronukleare Feshbach-Moleküle 
    Henninger, Thorsten (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2008)
    [no abstract]
  • Ultrakurze Laserpulse aus einem Filament 
    Schulz, Emilia (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2012)
    [no abstract]
  • Ultralocality and slow contraction 
    Ijjas, Anna; Sullivan, Andrew P.; Pretorius, Frans; Steinhardt, Paul J.; Cook, William G. (London : IOP, 2021)
    We study the detailed process by which slow contraction smooths and flattens the universe using an improved numerical relativity code that accepts initial conditions with non-perturbative deviations from homogeneity and ...
  • An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions 
    Stark, J.; Warnecke, C.; Bogen, S.; Chen, S.; Dijck, E.A.; Kühn, S.; Rosner, M.K.; Graf, A.; Nauta, J.; Oelmann, J.-H.; Schmöger, L.; Schwarz, M.; Liebert, D.; Spieß, L.J.; King, S.A.; Leopold, T.; Micke, P.; Schmidt, P.O.; Pfeifer, T.; Crespo López-Urrutia, J.R. ([Erscheinungsort nicht ermittelbar] : American Institute of Physics, 2021)
    We present a novel ultrastable superconducting radio-frequency (RF) ion trap realized as a combination of an RF cavity and a linear Paul trap. Its RF quadrupole mode at 34.52 MHz reaches a quality factor of Q ≈ 2.3 × 105 ...

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