Now showing items 63-82 of 841

    • C-phase gates in SiMOS and Si/SiGe double quantum dots 

      Güngördü, Utkan; Kestner, J. P.
      We theoretically analyze the errors in one- and two-qubit gates in SiMOS and Si/SiGe spin qubit experiments, and present a pulse sequence which can suppress the errors in exchange coupling due to charge noise using ideal ...
    • Calorimetric neutrino expectations from bright blazar flares 

      Kreter, Michael; Kadler, Matthias; Krauß, Felicia; Buson, Sara; Ojha, Roopesh; Mannheim, Karl; Wilms, Jörn; Böttcher, Markus; Fermi/LAT Collaboration (Proceedings of Science, 2019-07-24)
      Blazar jets are extreme environments, in which relativistic proton interactions with an ultraviolet photon field could give rise to photopion production. High-confidence associations of individual high-energy neutrinos ...
    • Can a simple instrument measure polarization in gamma-ray bursts? 

      Curioni, A.; Mirabal, N. (2004-02-25)
      The recent claim of a high degree of linear polarization in the prompt gamma-ray burst (GRB) emission of GRB 021206 might have important implications for the underlying mechanism ultimately responsible for the GRB radiation. ...
    • Can Two-Photon Interference be Considered the Interference of Two Photons? 

      Pittman, T. B.; Strekalov, D. V.; Migdall, A.; Rubin, M. H.; Sergienko, A. V.; Shih, Y. H. (American Physical Society (APS), 1996-09-02)
      We report on a “postponed compensation” experiment in which the observed two-photon entangled state interference cannot be pictured in terms of the overlap of the two individual photon wave packets of a parametric ...
    • Carrier Dynamics, Optical Gain, and Lasing with Colloidal Quantum Wells 

      Yang, Zhili; Pelton, Matthew; Fedin, Igor; Talapin, Dmitri V.; Waks, Edo (ACS Publicaions, 2018)
      The most recent class of semiconductor nanocrystal to be synthesized colloidally is the quantum well, in which carriers are confined quantum mechanically in only one dimension. Electrons and holes in colloidal quantum wells ...
    • Causality Analysis of ENSO’s Global Impacts on Climate Variables based on Data-driven Analytics and Climate Model Simulation 

      Song, Hua; Tian, Jing; Huang, Jingfeng; Wang, Jianwu; Zhang, Zhibo
      Numerous studies have indicated that El Niño and the Southern Oscillation (ENSO) could have determinant impacts on remote weather and climate using the conventional correlation-based methods, which however cannot identify ...
    • A Cavity-Enhanced UV Absorption Instrument for High Precision, Fast Time Response Ozone Measurements 

      Hannun, Reem A.; Swanson, Andrew K.; Bailey, Steven A.; Hanisco, Thomas F.; Bui, T. Paul; Bourgeois, Ilann; Peischl, Jeff; Ryerson, Thomas B. (EGU Publications, 2020-07-22)
      The NASA Rapid Ozone Experiment (ROZE) is a broadband cavity-enhanced UV absorption instrument for the detection of in situ ozone (O₃). ROZE uses an incoherent LED light source coupled to a high-finesse optical cavity to ...
    • Chandra Observation of Luminous and Ultraluminous X-ray Binaries in MIOI 

      Mukai, K.; Pence, W. D.; Snowden, S. L.; Kuntz, K. D.
      X-ray binaries in the Milky Way axe among the brightest objects on the Xray sky. With the increasing sensitivity of recent missions, it is now possible to study X-ray binaries in nearby galaxies. We present data on six ...
    • Characteristics of DSD Bulk Parameters: Implication for Radar Rain Retrieval 

      Liao, Liang; Meneghini, Robert; Iguchi, Toshio; Tokay, Ali (MDPI, 2020-06-25)
      With the use of 213,456 one-minute measured data of droplet-size distribution (DSD) of rain collected during several National Aeronautics and Space Administration (NASA)-sponsored field campaigns, the relationships between ...
    • Characterization of Aerosol Type Over East Asia by 4.4 km MISR Product: First Insight and General Performance 

      Tao, Minghui; Wang, Jun; Li, Rong; Chen, Liangfu; Xu, Xiaoguang; Wang, Lunche; Tao, Jinhua; Wang, Zifeng; Xiang, Juan (American Geophysical Union, 2020-06-01)
      The lack of aerosol type information has largely hindered satellite products from further applications such as constraining model simulations and quantifying aerosol climate effects. The recent Version (V) 23 Multi‐angle ...
    • Characterization of long baseline calibrators at 2.3 GHz 

      Hungwe, F.; Ojha, R.; Booth, R. S.; Bietenholz, M. F.; Collioud, A.; Charlot, P.; Boboltz, D.; Fey, A. L. (Oxford University Press, 2011-12-08)
      We present a detailed multi-epoch analysis of 31 potential Southern hemisphere radio calibrators that were originally observed as part of a programme to maintain the International Celestial Reference Frame. At radio ...
    • Characterizing the population of pulsars in the inner Galaxy with the Fermi Large Area Telescope 

      MIRABAL, N.; et al. (2017-04-28)
      An excess of γ-ray emission from the Galactic Center (GC) region with respect to predictions based on a variety of interstellar emission models and γ-ray source catalogs has been found by many groups using data from the ...
    • The Chemistry of Atmosphere-Forest Exchange (CAFE) Model – Part 1: Model description and characterization 

      Wolfe, G. M.; Thornton, J. A. (Copernicus, 2011-01-05)
      We present the Chemistry of Atmosphere-Forest Exchange (CAFE) model, a vertically-resolved 1-D chemical transport model designed to probe the details of near-surface reactive gas exchange. CAFE integrates all key processes, ...
    • The Chemistry of Atmosphere-Forest Exchange (CAFE) Model – Part 2: Application to BEARPEX-2007 observations 

      Wolfe, G.M.; Thornton, J. A.; Bouvier-Brown, N. C.; Goldstein, A. H.; Park, J. H.; McKay, M.; Matross, D. M.; Mao, J.; Brune, W. H.; LaFranchi, B. W.; Browne, E. C.; Min, K.E.; Wooldridge, P. J.; Cohen, R. C.; Crounse, J.D.; Faloona, I. C.; Gilman, J. B.; Kuster, W. C.; Gouw, J. A. de; Huisman, A.; Keutsch, F. N. (Copernicus, 2011-02-15)
      In a companion paper, we introduced the Chemistry of Atmosphere-Forest Exchange (CAFE) model, a vertically-resolved 1-D chemical transport model designed to probe the details of near-surface reactive gas exchange. Here, ...
    • Classical and Quantum Shortcuts to Adiabaticity for Scale-Invariant Driving 

      Deffner, Sebastian; Jarzynski, Christopher; Campo, Adolfo del (American Physical Society (APS), 2014-04-22)
      A shortcut to adiabaticity is a driving protocol that reproduces in a short time the same final state that would result from an adiabatic, infinitely slow process. A powerful technique to engineer such shortcuts relies on ...
    • Closing in on the Fermi Line with a New Observation Strategy 

      Weniger, Christoph; Su, Meng; Finkbeiner, Douglas P.; Bringmann, Torsten; Mirabal, Nestor (2013-05-21)
      Evidence for a spectral line in the inner Galaxy has caused a great deal of excitement over the last year, mainly because of its interpretation as a possible dark matter signal. The observation has raised important questions ...
    • Closing the peroxy acetyl nitrate budget: observations of acyl peroxy nitrates (PAN, PPN, and MPAN) during BEARPEX 2007 

      LaFranchi, B. W.; Wolfe, G. M.; Thornton, J. A.; Harrold, S. A.; Browne, E.C.; Min, K.E.; Wooldridge, P. J.; Gilman, J. B.; Kuster, W. C.; Goldan, P. D.; Gouw, J. A. de; McKay, M.; Goldstein, A. H.; Ren, X.; Mao, J.; Cohen, R. C. (Copernicus, 2009-10-12)
      Acyl peroxy nitrates (APNs, also known as PANs) are formed from the oxidation of aldehydes and other oxygenated VOC (oVOC) in the presence of NO₂. There are both anthropogenic and biogenic oVOC precursors to APNs, but a ...
    • Cloud Detection over Snow and Ice with Oxygen A- and B-band Observations from the Earth Polychromatic Imaging Camera (EPIC) 

      Zhou, Yaping; Yang, Yuekui; Gao, Meng; Zhai, Peng-Wang (EGU Publications, 2019-10-21)
      Satellite cloud detection over snow and ice has been difficult for passive remote sensing instruments due to the lack of contrast between clouds and the bright and cold surfaces; cloud mask algorithms often heavily rely ...
    • Clues on Blazars Phenomenology from the FIRST Flat Spectrum Sample 

      Fossati, G.; Meyer, E. T. (Astronomical Society of the Pacific, 2010)
      We highlight some results of our work on the FIRST Flat Spectrum Sample (FFSS) of blazars, in particular concerning the relationship between their luminosity and Spectral Energy Distribution (SED), including preliminary ...
    • Co-location on Ground and in Space, GGOS Core Sites 

      Pearlman, Michael; Schuh, Harald; Pavlis, Erricos (International Earth Rotation and Reference Systems Service, 2011-09-16)