Auflistung Fakultät für Mathematik und Physik nach Titel

Auflistung Fakultät für Mathematik und Physik nach Titel

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  • Machine-Learning-Based Exploration of Bending Flexoelectricity in Novel 2D Van der Waals Bilayers 
    Javvaji, Brahmanandam; Zhuang, Xiaoying; Rabczuk, Timon; Mortazavi, Bohayra (Weinheim : Wiley-VCH, 2022)
    Accurate examination of electricity generation stemming from higher-order deformation (flexoelectricity) in 2D layered materials is a highly challenging task to be investigated with either conventional computational or ...
  • Macroporous silicon for crystalline thin-film solar cells 
    Ernst, Marco (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2013)
    [no abstract]
  • Macroscopic quantum entanglement between an optomechanical cavity and a continuous field in presence of non-Markovian noise 
    Direkci, S.; Winkler, K.; Gut, C.; Hammerer, K.; Aspelmeyer, M.; Chen, Y. (College Park, MD : APS, 2024)
    Probing quantum entanglement with macroscopic objects allows us to test quantum mechanics in new regimes. One way to realize such behavior is to couple a macroscopic mechanical oscillator to a continuous light field via ...
  • Macroscopic Quantum Resonators (MAQRO): 2015 update 
    Kaltenbaek, Rainer; Aspelmeyer, Markus; Barker, Peter F.; Bassi, Angelo; Bateman, James; Bongs, Kai; Bose, Sougato; Braxmaier, Claus; Brukner, Caslav; Christophe, Bruno; Chwalla, Michael; Cohadon, Pierre-Francois; Cruise, Adrian Michael; Curceanu, Catalin (Heidelberg : SpringerOpen, 2016)
    Do the laws of quantum physics still hold for macroscopic objects - this is at the heart of Schrodinger's cat paradox - or do gravitation or yet unknown effects set a limit for massive particles? What is the fundamental ...
  • Magnetfallen und Signaturen der Eindimensionalität für Bose-Einstein-Kondensate 
    Kottke, Markus (Hannover : Universität, 2004)
    [no abstract]
  • Magnetic control of electric-field domains in semiconductor superlattices 
    Schmidt, T.; Jansen, A.G.M.; Haug, Rolf J.; Klitzing, K.V.; Eberl, K. (College Park, MD : American Physical Society, 1998)
    Applying magnetic fields up to B = 29 T, we investigate the formation of electric-field domains in Landau-quantized semiconductor superlattices. Surprisingly, the electric-field distribution remains determined by the subband ...
  • Magnetic dipole strength functions in heavy deformed nuclei 
    Zawischa, Dieter; MacFarlane, Malcolm; Speth, Josef (College Park, MD : American Physical Society, 1990)
    The isovector spin-flip M1 strength function in the deformed heavy nuclei 156Gd and 238U is calculated in the quasiparticle random-phase approximation. Interaction parameters are adjusted to reproduce the energies of ...
  • The magnetic moments of the proton and the antiproton 
    Ulmer, S.; Mooser, A.; Blaum, K.; Braeuninger, S.; Franke, K.; Kracke, H.; Leiteritz, C.; Matsuda, Y.; Nagahama, H.; Ospelkaus, C.; Rodegheri, C.C.; Quint, W.; Schneider, G.; Smorra, C.; Van Gorp, S.; Walz, J.; Yamazaki, Y. (Bristol : Institute of Physics Publishing, 2014)
    Recent exciting progress in the preparation and manipulation of the motional quantum states of a single trapped proton enabled the first direct detection of the particle's spin state. Based on this success the proton ...
  • Magnetic-field-induced singularities in spin-dependent tunneling through InAs quantum dots 
    Hapke-Wurst, I.; Zeitler, U.; Frahm, Holger; Jansen, A.G.M.; Haug, Rolf J.; Pierz, Klaus (College Park, MD : American Physical Society, 2000)
    Current steps attributed to resonant tunneling through individual InAs quantum dots embedded in a GaAs-AlAs-GaAs tunneling device are investigated experimentally in magnetic fields up to 28 T. The steps evolve into strongly ...
  • Magnetization dynamics in optically excited nanostructured nickel films 
    Mueller, Georg M.; Eilers, Gerrit; Wang, Zhao; Scherff, Malte; Ji, Ran; Nielsch, Kornelius; Ross, Caroline A.; Muenzenberg, Markus (Bristol : IOP Publishing Ltd., 2008)
    In this work, the laser-induced magnetization dynamics of nanostructured nickel films is investigated. The influence of the nanosize is discussed considering the timescale of hundreds of femtoseconds as well as the GHz ...
  • Magnetization of modulation doped Si/SiGe quantum wells in high magnetic fields 
    Wilde, M.A.; Rhode, M.; Heyn, C.; Schäffler, F.; Zeitler, U.; Haug, Rolf J.; Heitmann, D.; Grundler, D. (College Park, MD : American Institute of Physics, 2005)
    We have fabricated highly sensitive micromechanical cantilever magnetometers and, by this means, investigated the de Haas-van Alphen effect of a two-dimensional electron system in a modulation-doped Si/SiGe heterostructure. ...
  • Magneto-photoluminescence spectroscopy of single InAs/AlAs quantum dots 
    Sarkar, D.; Van Der Meulen, H.P.; Calleja, J.M.; Meyer, J.M.; Haug, Rolf J.; Pierz, K. (Bristol : IOP Publishing Ltd., 2010)
    We present non-resonant, polarization-resolved magneto-photoluminescence measurements up to 12 T on single InAs/AlAs quantum dots. We observe typical g-factors between 1 and 2, very low diamagnetic shifts due to strong ...
  • Magneto-transport investigations on multi-electron quantum dots : Coulomb blockade, Kondo effect, and Fano regime 
    Fühner, Claus (Hannover : Universität, 2002)
    [no abstract]
  • Magnetoresistance anisotropy in Si/SiGe in tilted magnetic fields: Experimental evidence for a stripe-phase formation 
    Zeitler, U.; Schumacher, Hans W.; Jansen, A.G.M.; Haug, Rolf J. (College Park, MD : American Physical Society, 2001)
    The anisotropies induced by an in-plane field in the magnetotransport properties of coinciding Landau levels in the two dimensional electron system of a silicon/silicon germanium (Si/SiGe) heterostructure were investigated. ...
  • Magnetoresistance in a High Mobility Two-Dimensional Electron System as a Function of Sample Geometry 
    Bockhorn, L.; Hodaei, A.; Schuh, Dieter; Wegscheider, Werner; Haug, Rolf J. (Bristol : IOP Publishing Ltd., 2013)
    In a high mobility two-dimensional electron gas (2DEG) realized in a GaAs/Al0.3Ga0.7As quantum well we observe changes in the Shubnikov-de Haas oscillations (SdHO) and in the Hall resistance for different sample geometries. ...
  • Magnetoresistance in a high-mobility two-dimensional electron gas 
    Bockhorn, L.; Barthold, P.; Schuh, D.; Wegscheider, W.; Haug, Rolf J. (College Park, MD : American Physical Society, 2011)
    In a high-mobility two-dimensional electron gas (2DEG) in a GaAs/Al 0.3Ga0.7As quantum well we observe a strong magnetoresistance. In lowering the electron density, the magnetoresistance gets more pronounced and reaches ...
  • Magnetoresistance induced by rare strong scatterers in a high-mobility two-dimensional electron gas 
    Bockhorn, L.; Gornyi, I.V.; Schuh, D.; Reichl, C.; Wegscheider, W.; Haug, Rolf J. (College Park, MD : American Physical Society, 2014)
    We observe a strong negative magnetoresistance at nonquantizing magnetic fields in a high-mobility two-dimensional electron gas. This strong negative magnetoresistance consists of a narrow peak around zero magnetic field ...
  • Magnetotransport in anisotropic Pb films and monolayers 
    Lükermann, Daniel; Gauch, M.; Czubanowski, Marcin; Pfnür, Herbert; Tegenkamp, Christoph (College Park, MD : American Physical Society, 2010)
    The anisotropy induced by atomic steps of a Si(557) substrate in structure and magnetoconductance of ultrathin Pb films adsorbed on this surface is shown to be effectively shielded as a function of layer thickness, as found ...
  • Maiman revisited: tuneable single mode CW ruby ring laser 
    Luhs, W.; Wellegehausen, B.; Zuber, D.; Morgner, Uwe (Bristol : IOP Publishing, 2021)
    The cw ruby laser reveals amazing properties, which have not been expected since its invention 60 years ago. CW pumping with a 405 nm laser diode requires an overall electrical power of only 6 W to achieve more than 100 ...
  • Making it work : second generation interferometry in GEO 600! 
    Grote, Hartmut (Hannover : Universität, 2003)
    [no abstract]

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