Browsing Fakultät für Mathematik und Physik by Title

Browsing Fakultät für Mathematik und Physik by Title

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  • Kruse, I.; Lange, K.; Peise, J.; Lücke, Bernd; Pezzè, L.; Arlt, Jan J.; Ertmer, Wolfgang; Lisdat, C.; Santos, Luis; Smerzi, A.; Klempt, Carsten (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)
    Since the pioneering work of Ramsey, atom interferometers are employed for precision metrology, in particular to measure time and to realize the second. In a classical interferometer, an ensemble of atoms is prepared in ...
  • Steinhauser, Georg; Saey, Paul R. J. (Cham : Springer, 2016)
    The impact of Chernobyl on the 137Cs activities found in wild boars in Europe, even in remote locations from the NPP, has been much greater than the impact of Fukushima on boars in Japan. Although there is great variability ...
  • Cuntz, M.J. (Ljubljana : Society of Mathematicians, Physicists and Astronomers of Slovenia, 2018)
    We present a technique to produce arrangements of lines with nice properties. As an application, we construct (224) and (264) configurations of lines. Thus concerning the existence of geometric (n4) configurations, only ...
  • 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 ...
  • Heidrich, Marko; Kühnel, Mark P.; Kellner, Manuela; Lorbeer, Raoul-Amadeus; Lange, Tineke; Winkel, Andreas; Stiesch, Meike; Meyer, Heiko; Heisterkamp, Alexander (Washington, DC : Optical Society of America, 2011)
    Biofilms - communities of microorganisms attached to surfaces - are a constant threat for long-term success in modern implantology. The application of laser scanning microscopy (LSM) has increased the knowledge about ...
  • Klempt, Carsten; Henninger, T.; Topic, O.; Will, J.; Ertmer, Wolfgang; Tiemann, E.; Arlt, Jan J. (College Park : American Physical Society, 2007)
    We have observed 28 heteronuclear Feshbach resonances in ten spin combinations of the hyperfine ground states of a 40K−87Rb mixture. The measurements were performed by observing the loss rates from an atomic mixture at ...
  • Wanner, Gudrun; Schuster, Sönke; Tröbs, Michael; Heinzel, Gerhard (Bristol : IOP Publishing Ltd., 2015)
    To this paper we discuss that the phase readout in low noise laser interferometers can significantly deviate from the underlying optical pathlength difference (OPD). The cross coupling of beam tilt to the interferometric ...
  • Lechtenfeld, Olaf; Nampuri, Suresh (Amsterdam : Elsevier, 2016)
    We extract the leading-order entropy of a four-dimensional extremal black hole in N=2N=2 ungauged supergravity by formulating the CFT1 that is holographically dual to its near-horizon AdS2 geometry, in terms of a rational ...
  • Noh, Yign; Oh, Donggu; Hoffmann, Fabian; Raasch, Siegfried (Boston, Massachusetts : American Meteorological Society, 2018)
    Cloud microphysics parameterizations for shallow cumulus clouds are analyzed based on Lagrangian cloud model (LCM) data, focusing on autoconversion and accretion. The autoconversion and accretion rates,A and C, respectively, ...
  • Fischer, G.; Müller, M.; Wagner, Hannes; Steingrube, S.; Altermatt, Pietro P. (Amsterdam : Elsevier BV, 2012)
    Monitoring the I-V parameters in mass production yields a distribution that cannot be understood in a simple manner. For example, if Voc varies greatly, it is not obvious whether this is mainly due to variations in the ...
  • Cuevas, Andres; Yan, Di; Haase, Felix; Petermann, Jan-Hendrik; Brendel, Rolf (Amsterdam : Elsevier, 2013)
    The optimization of solar cells with localized rear contacts usually requires numerical simulation. Here we compare Sentaurus Device to a simpler Conductive Boundary (CoBo) simulator and to an approximate Geometric model. ...
  • Chen, Yan; Zhang, Yang; Yuan, Feifei; Ding, Fei; Schmidt, Oliver G. (Hoboken, NJ : Blackwell Publishing Ltd, 2017)
    The rapid advancements of wearable electronics require continued innovation in sustainable power sources and human interactive sensors. An abundance of energy in various forms, such as mechanical, thermal, optical, and ...
  • Garner, Andrew J.P.; Dahlsten, Oscar C.O.; Nakata, Yoshifumi; Murao, Mio; Vedral, Vlatko (Bristol : Institute of Physics Publishing, 2013)
    Phase plays a crucial role in many quantum effects including interference. Here we lay the foundations for the study of phase in probabilistic theories more generally. Phase is normally defined in terms of complex numbers ...
  • Schnabel, Roman; LIGO Scientific Collaboration (Les Ulis : EDP Sciences, 2013)
    This contribution reviews our recent progress on the generation of squeezed light [1], and also the recent squeezed-light enhancement of the gravitational wave detector GEO 600 [2]. GEO 600 is currently the only GW observatory ...
  • Rudolph, Jan; Herr, Waldemar; Grzeschik, Christoph; Sternke, Tammo; Grote, Alexander; Popp, Manuel; Becker, Dennis; Muentinga, Hauke; Ahlers, Holger; Peters, Achim; Laemmerzahl, Claus; Sengstock, Klaus; Gaaloul, Naceur; Ertmer, Wolfgang; Rasel, Ernst Maria (Bristol : IOP Publishing Ltd., 2015-06-01)
    Quantum sensors based on coherent matter-waves are precise measurement devices whose ultimate accuracy is achieved with Bose-Einstein condensates (BECs) in extended free fall. This is ideally realized in microgravity ...
  • Rudolph, Jan; Herr, Waldemar; Grzeschik, Christoph; Sternke, Tammo; Grote, Alexander; Popp, Manuel; Becker, Dennis; Muentinga, Hauke; Ahlers, Holger; Peters, Achim; Laemmerzahl, Claus; Sengstock, Klaus; Gaaloul, Naceur; Ertmer, Wolfgang; Rasel, Ernst Maria (Bristol : IOP Publishing Ltd., 2015-07-09)
    Erratum to: A high-flux BEC source for mobile atom interferometers in: New Journal of Physics 17 (2015) 065001
  • Hannig, S.; Mielke, J.; Fenske, J.A.; Misera, M.; Beev, N.; Ospelkaus, C.; Schmidt, Piet O. (College Park, MD : American Institute of Physics, 2018)
    We present a highly stable bow-tie power enhancement cavity for critical second harmonic generation (SHG) into the UV using a Brewster-cut β-BaB2O4 (BBO) nonlinear crystal. The cavity geometry is suitable for all UV ...
  • Melo, Severino T.; Schick, Thomas; Schrohe, Elmar (Berlin : Walter de Gruyter, 2006-12-07)
    We study the C*-closure U of the algebra of all operators of order and class zero in Boutet de Monvel's calculus on a compact connected manifold X with boundary partial derivative X not equal phi. We find short exact ...
  • Park, S.-B.; Baik, J.-J.; Raasch, S.; Letzel, M.O. (Boston, Massachusetts : American Meteorological Society, 2012)
    Thermal effects on turbulent flow and dispersion in and above an idealized street canyon with a street aspect ratio of 1 are numerically investigated using the parallelized large-eddy simulation model (“PALM”). Each of ...
  • Beev, Nikolai; Fenske, Julia-Aileen; Hannig, Stephan; Schmidt, Piet O. (College Park, MD : American Institute of Physics, 2017)
    We present the design, construction, and characterization of a multichannel, low-drift, low-noise dc voltage source specially designed for biasing the electrodes of segmented linear Paul traps. The system produces 20 output ...

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