• Automatische Erzeugung von Aufgaben mit ganzzahligen Lösungen 

  Lünne, Steffen (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2006)

  Mit der fortschreitenden Weiterentwicklung von Software und der zunehmenden Nutzung des Internets bieten sich den Schülern und Studenten heute immer mehr Möglichkeiten, sich für ihre Hausaufgaben und Hausübungen zu ...
• On the effects of lateral openings on courtyard ventilation and pollution-A large-eddy simulation study 

  Gronemeier, Tobias; Sühring, Matthias (Basel : MDPI AG, 2019)

  Courtyards are an omnipresent feature within the urban environment. Residents often use courtyards as recreation areas, which makes them crucial for the physical and psychological comfort of the urban population. However, ...
• Disturbed witnesses in quantum complexity theory 

  Dziemba, Friederike Anna (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

  QMA is the complexity class of computational problems that are efficiently verifiable by a quantum algorithm with the help of a witness in contrast to the smaller class BQP of problems efficiently solvable by a quantum ...
• Fiber amplifiers at 1.5 μm for laser sources in next-generation gravitational wave detectors 

  de Varona Ortega, Omar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

  After the first direct detection of gravitational waves (GWs) in 2015, the feasibility of GW-astronomy as a complementary method to carry out astrophysical and cosmological observations on a regular basis has been reaffirmed. ...
• Inertial noise post-correction in atom interferometers measuring the local gravitational acceleration 

  Richardson, Logan Latham (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

  Exploiting the quantum nature of atoms through the use of matter-wave interferometry has lead to the development of devices sensitive to, among other things, the local gravitational acceleration. Measurements of the ...
• Stochastic mortality modelling with cointegrated vector autoregressive processes and characterizations of logistic-type hazard rate distributions 

  Salfeld, Thomas (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

  This thesis is devoted to stochastic mortality modelling. The first part considers the popular family of GAPC models and identifies several conceptual difficulties of most well-established models. The GAPC models are ...
• Non-Abelian quasi-particles in electronic systems 

  Borcherding, Daniel (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2018)

  Ever since the proposal of Kitaev for decoherence-free quantum computing based on non-Abelian anyons physical realizations of these exotic particles have been investigated extensively. Starting from one-dimensional models ...
• Biomimetic liquid-repellent surfaces by ultrafast laser processing 

  Fadeeva, Elena; Chichkov, Boris (Basel : MDPI AG, 2018)

  This review is focused on the realization of liquid-repellent surfaces, inspired by two biological models: "dry" superhydrophobic leaves and "slippery" liquid-repellent carnivorous plants using ultrafast laser processing. ...
• The quantum technologies roadmap: A European community view 

  Acín, Antonio; Bloch, Immanuel; Buhrman, Harry; Calarco, Tommaso; Eichler, Christopher; Eisert, Jens; Esteve, Daniel; Gisin, Nicolas; Glaser, Steffen J.; Jelezko, Fedor; Kuhr, Stefan; Lewenstein, Maciej; Riedel, Max F.; Schmidt, Piet O.; Thew, Rob; Wallraff, Andreas; Walmsley, Ian; Wilhelm, Frank K. (Bristol : Institute of Physics Publishing, 2018)

  Within the last two decades, quantum technologies (QT) have made tremendous progress, moving from Nobel Prize award-winning experiments on quantum physics (1997: Chu, Cohen-Tanoudji, Phillips; 2001: Cornell, Ketterle, ...
• Chemical and radioanalytical investigations of 106Ru-containing air filters from Vienna in fall 2017: searching for stable element anomalies 

  Zok, Dorian; Sterba, Johannes H.; Steinhauser, Georg (Dordrecht : Springer Netherland, 2018)

  Related to the recent nuclear release of radioactive ruthenium isotopes in fall 2017, we analyzed air filters from Vienna for irregularities in the (stable) elemental composition of particulate matter from this period. ...
• Deformed N= 8 mechanics of (8, 8, 0) multiplets 

  Ivanov, Evgeny; Lechtenfeld, Olaf; Sidorov, Stepan (Heidelberg : Springer Verlag, 2018)

  We construct new models of “curved” SU(4|1) supersymmetric mechanics based on two versions of the off-shell multiplet (8, 8, 0) which are “mirror” to each other. The worldline realizations of the supergroup SU(4|1) are ...
• 350-fold improved measurement of the antiproton magnetic moment using a multi-trap method 

  Smorra, Christian; Blessing, Pascal E.; Borchert, Matthias J.; Devlin, Jack A.; Harrington, James A.; Higuchi, Takashi; Morgner, Jonathan; Nagahama, Hiroki; Sellner, Stefan; Bohman, Matthew A.; Mooser, Andreas H.; Schneider, Georg L.; Schön, Natalie; Wiesinger, Markus; Blaum, Klaus; Matsuda, Yasuyuki; Ospelkaus, Christian; Quint, Wolfgang; Walz, Jochen; Yamazaki, Yasunori; Ulmer, Stefan (New York, NY : Springer International Publishing, 2018)

  We summarize our recent 1.5 parts per billion measurement of the antiproton magnetic moment using the multi Penning-trap system of the BASE collaboration. The result was achieved by combining the detection of individual ...
• Improving collisional growth in Lagrangian cloud models: Development and verification of a new splitting algorithm 

  Schwenkel, Johannes; Hoffmann, Fabian; Raasch, Siegfried (Göttingen : Copernicus GmbH, 2018)

  Lagrangian cloud models (LCMs) are increasingly used in the cloud physics community. They not only enable a very detailed representation of cloud microphysics but also lack numerical errors typical for most other models. ...
• GRACETOOLS - GRACE gravity field recovery tools 

  Darbeheshti, Neda; Wöske, Florian; Weigelt, Matthias; McCullough, Christopher; Wu, Hu (Basel : MDPI AG, 2018)

  This paper introduces GRACETOOLS, the first open source gravity field recovery tool using GRACE type satellite observations. Our aim is to initiate an open source GRACE data analysis platform, where the existing algorithms ...
• Development of a strontium optical lattice clock for the SOC mission on the ISS 

  Origlia, S.; Schiller, S.; Pramod, M.S.; Smith, L.; Singh, Y.; He, W.; Viswam, S.; Swierad, D.; Hughes, J.; Bongs, K.; Sterr, U.; Lisdat, C.; Vogt, S.; Bize, S.; Lodewyck, J.; Le Targat, R.; Holleville, D.; Venon, B.; Gill, P.; Barwood, G.; Hill, I.R.; Ovchinnikov, Y.; Kulosa, A.; Ertmer, W.; Rasel, Ernst Maria; Stuhler, J.; Kaenders, W.; SOC2 Consortium (2016)

  The ESA mission “Space Optical Clock” project aims at operating an optical lattice clock on the ISS in approximately 2023. The scientific goals of the mission are to perform tests of fundamental physics, to enable ...
• Generalized two-field α-attractor models from geometrically finite hyperbolic surfaces 

  Lazaroiu, C.I.; Shahbazi, C.S. (Amsterdam : Elsevier B.V., 2018)

  We consider four-dimensional gravity coupled to a non-linear sigma model whose scalar manifold is a non-compact geometrically finite surface Σ endowed with a Riemannian metric of constant negative curvature. When the ...
• Matrix heater in the gravitational wave observatory GEO 600 

  Wittel, H.; Affeldt, C.; Bisht, A.; Doravari, S.; Grote, H.; Lough, J.; Lück, H.; Schreiber, E.; Strain, K.A.; Danzmann, Karsten (Washington, DC : Optical Society of America, 2018)

  Large scale laser interferometric gravitational wave detectors (GWDs), such as GEO 600 require high quality optics to reach their design sensitivity. The inevitable surface imperfections, inhomogeneities, and light-absorption ...
• Skyrme–Faddeev model from 5d super-Yang–Mills 

  Lechtenfeld, Olaf; Popov, Alexander D. (Amsterdam : Elsevier B.V., 2018)

  We consider 5d Yang–Mills–Higgs theory with a compact ADE-type gauge group G and one adjoint scalar field on R3,1×R+, where R+=[0,∞) is the half-line. The maximally supersymmetric extension of this model, with five adjoint ...
• Heteronuclear Limit of Strong-Field Ionization: Fragmentation of HeH+ by Intense Ultrashort Laser Pulses 

  Wustelt, Philipp; Oppermann, Florian; Yue, Lun; Möller, Max; Stöhlker, Thomas; Lein, Manfred; Gräfe, Stefanie; Paulus, Gerhard G.; Sayler, A. Max (College Park, MD : American Physical Society, 2018)

  The laser-induced fragmentation dynamics of this most fundamental polar molecule HeH+ are measured using an ion beam of helium hydride and an isotopologue at various wavelengths and intensities. In contrast to the prevailing ...
• Energy cost of entanglement extraction in complex quantum systems 

  Bény, Cédric; Chubb, Christopher T.; Farrelly, Terry; Osborne, Tobias J. (London : Nature Publishing Group, 2018)

  What is the energy cost of extracting entanglement from complex quantum systems? Operationally, we may wish to actually extract entanglement. Conceptually, we may wish to physically understand the entanglement distribution ...

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