• Data Processing and Investigations for the GRACE Follow-On Laser Ranging Interferometer 

  Misfeldt, Malte Matthias (Hannover : Leibniz Universität Hannover, Max Planck Institute for Gravitational Physics, 2019-06-15)

  This thesis presents first in-depth results of the Laser Ranging Interferometer (LRI) onboard the Gravity Recovery And Climate Experiment - Follow On (GRACE-Follow On) mission. The LRI is a novel instrument, which was ...
• Initialization of quantum simulators by sympathetic cooling 

  Raghunandan, Meghana; Wolf, Fabian; Ospelkaus, Christian; Schmidt, Piet O.; Weimer, Hendrik (Washington D.C. : American Association for the Advancement of Science, 2020)

  Simulating computationally intractable many-body problems on a quantum simulator holds great potential to deliver insights into physical, chemical, and biological systems. While the implementation of Hamiltonian dynamics ...
• A Laser System for Gray-Molasses Cooling on the D1 Transition of an Atomic Gas of 39K 

  Shammout, Baraa (Hannover : Gottfried Wilhelm Leibniz Universität, 2020)

  In this work we present the design and the construction of a laser system for cooling an atomic gas of potassium 39K on the D1-Line by gray molasses technique. The seed laser is an Interference-filter-stabilized external-cavity ...
• Experimental study of self-induced transparency mode-locking in Ti:sapphire laser 

  Arkhipov, M.V.; Arkhipov, R.M.; Shimko, A.A.; Babushkin, I.; Rosanov, N.N. (Bristol : Institute of Physics Publishing, 2019)

  In this paper, passive mode-locking in Ti:sapphire laser with a coherent absorber cells with rubidium vapor placed in the cavity is demonstrated experimentally. For the best of our knowledge these experiments are the first ...
• Modeling, Discretization, Optimization, and Simulation of Multiphysics Problems (IIT Indore) 

  Wick, Thomas (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

  The goal of this winter school is to give an introduction to numerical modeling of multiphysics problems. These are nonstationary, nonlinear, coupled partial differential equations. The philosophy of this school is to ...
• Why PV Modules Should Preferably No Longer Be Oriented to the South in the Near Future 

  Mubarak, Riyad; Weide Luiz, Eduardo; Seckmeyer, Gunther (Basel : MDPI, 2019)

  PV modules tilted and oriented toward east and west directions gain gradually more importance as an alternative to the presently-preferred south (north in the Southern Hemisphere) orientation and it is shown to become ...
• Parameters for Optoperforation-Induced Killing of Cancer Cells Using Gold Nanoparticles Functionalized With the C-terminal Fragment of Clostridium Perfringens Enterotoxin 

  Becker, Annegret; Lehrich, Tina; Kalies, Stefan; Heisterkamp, Alexander; Ngezahayo, Anaclet (Basel : MDPI, 2019)

  Recently, we used a recombinant produced C-terminus (D194-F319) of the Clostridium perfringens enterotoxin (C-CPE) to functionalize gold nanoparticles (AuNPs) for a subsequent specific killing of claudin expressing tumor ...
• Separating the two polarities of the POLO contacts of an 26.1%-efficient IBC solar cell 

  Hollemann, C.; Haase, F.; Rienäcker, M.; Barnscheidt, V.; Krügener, J.; Folchert, N.; Brendel, R.; Richter, S.; Großer, S.; Sauter, E.; Hübner, J.; Oestreich, M.; Peibst, R. (Berlin : Springer Nature, 2020)

  By applying an interdigitated back contacted solar cell concept with poly-Si on oxide passivating contacts an efficiency of 26.1% was achieved recently. In this paper the impact of the implemented initially intrinsic poly-Si ...
• Toward Large-Eddy Simulations of Dust Devils of Observed Intensity: Effects of Grid Spacing, Background Wind, and Surface Heterogeneities 

  Giersch, S.; Brast, M.; Hoffmann, F.; Raasch, S. (Hoboken, NJ : Blackwell Publishing Ltd, 2019)

  Dust devils are convective vortices with a vertical axis of rotation made visible by lifted soil particles. Currently, there is great uncertainty about the extent to which dust devils contribute to the atmospheric aerosol ...
• Parameters for optoperforation-induced killing of cancer cells using gold nanoparticles functionalized with the c-terminal fragment of Clostridium Perfringens enterotoxin 

  Becker, Annegret; Lehrich, Tina; Kalies, Stefan; Heisterkamp, Alexander; Ngezahayo, Anaclet (Basel : MDPI AG, 2019)

  Recently, we used a recombinant produced C-terminus (D194-F319) of the Clostridium perfringens enterotoxin (C-CPE) to functionalize gold nanoparticles (AuNPs) for a subsequent specific killing of claudin expressing tumor ...
• Integrated 9Be+ multi-qubit gate device for the ion-trap quantum computer 

  Hahn, H.; Zarantonello, G.; Schulte, M.; Bautista-Salvador, A.; Hammerer, K.; Ospelkaus, C. (London : Nature Publishing Group, 2019)

  We demonstrate the experimental realization of a two-qubit Mølmer–Sørensen gate on a magnetic field-insensitive hyperfine transition in 9Be+ ions using microwave near-fields emitted by a single microwave conductor embedded ...
• Genetic selection for bovine chromosome 18 haplotypes associated with divergent somatic cell score affects postpartum reproductive and metabolic performance 

  Meyerholz, M.M.; Rohmeier, L.; Eickhoff, T.; Hülsebusch, A.; Jander, S.; Linden, M.; Macias, L.; Koy, M.; Heimes, A.; Gorríz-Martín, L.; Segelke, D.; Engelmann, S.; Schmicke, M.; Hoedemaker, M.; Petzl, W.; Zerbe, H.; Schuberth, H.-J.; Kühn, C. (New York, NY : Elsevier Inc., 2019)

  The susceptibility of animals to periparturient diseases has a great effect on the economic efficiency of dairy industries, on the frequency of antibiotic treatment, and on animal welfare. The use of selection for breeding ...
• Fabrication of a monolithic lab-on-a-chip platform with integrated hydrogel waveguides for chemical sensing 

  Torres-Mapa, Maria Leilani; Singh, Manmeet; Simon, Olga; Mapa, Jose Louise; Machida, Manan; Günther, Axel; Roth, Bernhard; Heinemann, Dag; Terakawa, Mitsuhiro; Heisterkamp, Alexander (Basel : MDPI AG, 2019)

  Hydrogel waveguides have found increased use for variety of applications where biocompatibility and flexibility are important. In this work, we demonstrate the use of polyethylene glycol diacrylate (PEGDA) waveguides to ...
• An Improved Surface Boundary Condition for Large-Eddy Simulations Based on Monin–Obukhov Similarity Theory: Evaluation and Consequences for Grid Convergence in Neutral and Stable Conditions 

  Maronga, Björn; Knigge, Christoph; Raasch, Siegfried (Dordrecht : Springer Netherland, 2019)

  Monin–Obukhov similarity theory is used in large-eddy simulation (LES) models as a surface boundary condition to predict the surface shear stress and scalar fluxes based on the gradients between the surface and the first ...
• Assessing prior knowledge types as predictors of academic achievement in the introductory phase of biology and physics study programmes using logistic regression 

  Binder, Torsten; Sandmann, Angela; Sures, Bernd; Friege, Gunnar; Theyssen, Heike; Schmiemann, Philipp (Heidelberg : Springer Verlag, 2019)

  Background: Increasingly, high dropout rates in science courses at colleges and universities have led to discussions of causes and potential support measures of students. Students’ prior knowledge is repeatedly mentioned ...
• Nonholonomic ricci flows and Finsler-Lagrange f(R,F,L)-modified gravity and dark matter effects 

  Alexiou, Maria; Gheorghiu, Tamara; Stavrinos, Panayiotis C.; Vacaru, Olivia; Vacaru, Sergiu I. (Singapur : World Scientific Publishing Co. Pte. Ltd., 2018)

  We review the theory of geometric flows on nonholonomic manifolds and tangent bundles and self-similar configurations resulting in generalized Ricci solitons and Einstein-Finsler equations. There are provided new classes ...
• Generic off-diagonal solutions and jet deformations in modified and/or higher dimension gravity theories 

  Rajpoot, Subhash; Vacaru, Sergiu I. (Singapur : World Scientific Publishing Co. Pte. Ltd., 2018)

  Let g be a pseudo-Riemanian metric on a manifold V with conventional n+n dimensional splitting, n ≥ 2, for a nonholonomic (non-integrable) distribution N and consider a correspondingly adapted linear metric compatible ...
• Geometric methods for constructing cosmological solutions for EYMH systems in two measure, f(R) and massive gravity theories 

  Rajpoot, Subhash; Vacaru, Sergiu I. (Singapur : World Scientific Publishing Co. Pte. Ltd., 2018)

  A brief summary of the anholonomic frame deformation method, AFDM, for generating exact solutions with generic off-diagonal metrics and generalized nonlinear connections in modified gravity theories, MGTs, is presented. ...
• Off-diagonal wormhole and black hole deformations and dark energy in two measure/bi-metric modified gravity theories 

  Gheorghiu, Tamara; Vacaru, Olivia; Vacaru, Sergiu I. (Singapur : World Scientific Publishing Co. Pte. Ltd., 2018)

  We find general parameterizations for generic off-diagonal spacetime metrics and matter sources in general relativity (GR) and two measure/bi-metric modified gravity theories, MGTs, when the field equations decouple with ...
• Locally anisotropic cosmological systems in modified two measure and massive gravity theories 

  Vacaru, Sergiu I. (Singapur : World Scientific Publishing Co. Pte. Ltd., 2018)

  We outline a geometric method of constructing generic off-diagonal and diagonal cosmological solutions of effective Einstein equations modeling modified gravity theories with two non-Riemannian volume forms and associated ...

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