Auflistung Fakultät für Mathematik und Physik nach Titel

Auflistung Fakultät für Mathematik und Physik nach Titel

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  • R 4 counterterm and E 7(7) symmetry in maximal supergravity 
    Brödel, Johannes; Dixon, Lance J. (Heidelberg : Springer Verlag, 2010)
    The coefficient of a potential R 4 counterterm in N = 8 supergravity has been shown previously to vanish in an explicit three-loop calculation. The R 4 term respects N = 8 supersymmetry; hence this result poses the question ...
  • R-charge conservation and more in factorizable and non-factorizable orbifolds 
    Bizet, Nana G. Cabo; Kobayashi, Tatsuo; Pena, Damian K. Mayorga; Parameswaran, Susha L.; Schmitz, Matthias; Zavala, Ivonne (New York, NY : Springer International Publishing, 2013)
    We consider the string theory origin of R-charge conservation laws in heterotic orbifold compactifications, deriving the corresponding string coupling selection rule for factorizable and non-factorizable orbifolds, with ...
  • Radar orthogonality and radar length in Finsler and metric spacetime geometry 
    Pfeifer, Christian (College Park, MD : American Physical Society, 2014)
    The radar experiment connects the geometry of spacetime with an observers measurement of spatial length. We investigate the radar experiment on Finsler spacetimes which leads to a general definition of radar orthogonality ...
  • Radiation conditions in an Antarctic environment 
    Wuttke, Sigrid (Hannover : Universität, 2005)
    [no abstract]
  • Radiation measurements at the German antarctic Neumayer Station 
    Wuttke, Sigrid; Seckmeyer, Gunther; Schrems, Otto; König-Langlo, Gert (Bellingham Wash. : SPIE, 2005)
    During the austral summer 2003/04 the Institute for Meteorology and Climatology, University of Hannover, Germany, has deployed a newly developed spectroradiometric system at the permanent German Antarctic Neumayer Station ...
  • Radiation pressure calibration and test mass reflectivities for LISA Pathfinder 
    Korsakova, N.; Kaune, B. (Bristol : Institute of Physics Publishing, 2017)
    This paper describes a series of experiments which were carried out during the main operations of LISA Pathfinder. These experiments were performed by modulating the power of the measurement and reference beams. In one ...
  • Radiative Transfer Model 3.0 integrated into the PALM model system 6.0 
    Krč, Pavel; Resler, Jaroslav; Sühring, Matthias; Schubert, Sebastian; Salim, Mohamed H.; Fuka, Vladimír (Katlenburg-Lindau : Copernicus, 2021)
    The Radiative Transfer Model (RTM) is an explicitly resolved three-dimensional multi-reflection radiation model integrated into the PALM modelling system. It is responsible for modelling complex radiative interactions ...
  • Radio-frequency association of heteronuclear Feshbach molecules 
    Klempt, Carsten; Henninger, T.; Topic, O.; Scherer, M.; Kattner, L.; Tiemann, E.; Ertmer, Wolfgang; Arlt, Jan J. (College Park : American Physical Society, 2008)
    We present a detailed analysis of the production efficiency of weakly bound heteronuclear (40)K(87)Rb Feshbach molecules using radio-frequency association in a harmonic trap. The efficiency was measured in a wide range of ...
  • Radioanalytical Investigations of Water Samples from the Vicinity of the Nuclear Power Plants "Chernobyl" and "Fukushima Daiichi" 
    Querfeld, Rebecca (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)
    In this work, the fission products 90Sr, 129I, and 137Cs and reactor nuclides 3H, and 134Cs were analyzed in the compartment water from the immediate vicinity of the Chernobyl and Fukushima NPPs, and the methods were adapted ...
  • Raman interferometry with free-falling and trapped atoms 
    Tackmann, Gunnar (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2013)
    [no abstract]
  • Ramsey interferometry with generalized one-axis twisting echoes 
    Schulte, Marius; Martínez-Lahuerta, Victor J. (Wien : Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften, 2020)
    We consider a large class of Ramsey interferometry protocols which are enhanced by squeezing and un-squeezing operations before and after a phase signal is imprinted on the collective spin of N particles. We report an ...
  • Random recursive trees: a boundary theory approach 
    Gruebel, Rudolf; Michailow, Igor (Seattle : University Washington, Dept. Mathematics, 2015)
    We show that an algorithmic construction of sequences of recursive trees leads to a direct proof of the convergence of random recursive trees in an associated Doob-Martin compactification; it also gives a representation ...
  • Ranging and phase measurement for LISA 
    Esteban, Juan Jose; García, Antonio F.; Eichholz, Johannes; Peinado, Antonio M.; Bykov, Iouri; Heinzel, Gerhard; Danzmann, Karsten (Bristol : IOP Publishing Ltd., 2010)
    The LISA phase measurement system (PMS) will provide interferometric phase readout of the primary heterodyne signal at microcycle sensitivity, ranging measurements at sub-meter accuracy and data communication at rates of ...
  • A rank 2 theory for constrained Willmore tori in the 3-dimensional sphere 
    Heydel, Max Christian (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)
    The main subject of this thesis are constrained Willmore tori in the 3-dimensional sphere S^3. It is known that constrained Willmore tori in the 4-sphere come with an associated C_∗-family of flat SL(4,C)-connections. This ...
  • Ranks, copulas, and permutons 
    Grübel, R. (Berlin ; Heidelberg : Springer, 2023)
    We review a recent development at the interface between discrete mathematics on one hand and probability theory and statistics on the other, specifically the use of Markov chains and their boundary theory in connection ...
  • Rapid generation of all-optical K 39 Bose-Einstein condensates using a low-field Feshbach resonance 
    Herbst, A.; Albers, H.; Stolzenberg, K.; Bode, S.; Schlippert, D. (Woodbury, NY : Inst., 2022)
    Ultracold potassium is an interesting candidate for quantum technology applications and fundamental research as it allows controlling intra-atomic interactions via low-field magnetic Feshbach resonances. However, the ...
  • Rapidly tunable femtosecond near-UV pulses from a non-collinear optical parametric oscillator 
    Geesmann, Fridolin Jakob; Mevert, Robin; Zuber, David; Morgner, Uwe (Washington, DC : Optica, 2023)
    Broadband tunable femtosecond laser pulses are of great interest in numerous fields, such as spectroscopy or imaging. Here, we report on the generation of rapidly tunable radiation in the near UV by using intracavity ...
  • Rasterkraftmikroskopie-Untersuchungen an Isolator/Halbleiter-Systemen : die Wachstumsmorphologie von CaF2/Si(111) 
    Pietsch, Holger (Hannover : Universität, 1997)
    [no abstract]
  • Rational Maxwell knots via de Sitter space 
    Lechtenfeld, Olaf; Zhilin, G. (Bristol : Institute of Physics Publishing, 2019)
    We set up a correspondence between solutions of the Yang-Mills equations on × S 3 and in Minkowski spacetime via de Sitter space. Some known Abelian and non-Abelian exact solutions are rederived. For the Maxwell case we ...
  • Rational points on hyperelliptic Atkin-Lehner quotients of modular curves and their coverings 
    Adžaga, Nikola; Chidambaram, Shiva; Keller, Timo; Padurariu, Oana (Heidelberg : Springer, 2022)
    We complete the computation of all Q-rational points on all the 64 maximal Atkin-Lehner quotients X(N) ∗ such that the quotient is hyperelliptic. To achieve this, we use a combination of various methods, namely the classical ...

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