Now showing items 155-174 of 1241

  • A comparative ab initio study of superconductivity in the body centered tetragonal YC2and LaC2 

    Tütüncü, H.M.; Srivastava, G.P. (American Institute of Physics (AIP), 2015)
    Ab initio studies of the electronic band structure and phonon dispersion relations, using the planewave pseudopotential method and the density functional theory, have been made for the superconducting materials YC<inf>2</inf> ...
  • Comparative blind test of five planetary transit detection algorithms on realistic synthetic light curves 

    Moutou, C.; Pont, F.; Barge, P.; Aigrain, Suzanne; Auvergne, M.; Blouin, D.; Cautain, R.; Erikson, A.; Guis, V.; Guterman, P.; Irwin, Mike; Lanza, A. F.; Queloz, D.; Rauer, H.; Voss, H.; Zucker, S. (EDP Sciences, 2005)
    Because photometric surveys of exoplanet transits are very promising sources of future discoveries, many algorithms are being developed to detect transit signals in stellar light curves. This paper compares such algorithms ...
  • A comparison between Gaussian Process emulation and Genetic Algorithms for optimising energy use of buildings 

    Eames, ME; Wood, M; Challenor, Peter G. (-, 2015-12)
    Computing speed has increased greatly over recent years. Building designers can now simulate complex building models in a short time. However, even with short simulation times, building optimisation routines can still take ...
  • A comparison of future weather created from morphed observed weather and created by a weather generator 

    Eames, Matthew E.; Kershaw, Tristan; Coley, David (Elsevier, 2012)
    To allow building scientists and engineers to investigate how their building designs fare in future climates there is the need for future weather files on an hourly timescale, which are representative of possible future ...
  • Comparison of multi-year and reference year building simulations 

    Kershaw, Tristan; Eames, Matthew E.; Coley, David (SAGE Publications, 2010)
    Buildings are generally modelled for compliance using reference weather years. In the UK these are the test reference year (TRY) used for energy analysis and the design summer year (DSY) used for assessing overheating in ...
  • A Comparison of Simulated JWST Observations Derived from Equilibrium and Non-Equilibrium Chemistry Models of Giant Exoplanets 

    Blumenthal, SD; Mandell, AM; Hébrard, E; Batalha, NE; Cubillos, PE; Rugheimer, S; Wakeford, HR (American Astronomical Society / IOP Publishing, 2018)
    We aim to see if the difference between equilibrium and disequilibrium chemistry is observable in the atmospheres of transiting planets by the James Webb Space Telescope (JWST). We perform a case study comparing the dayside ...
  • A comparison of structural and behavioural adaptations to future proofing buildings against higher temperatures 

    Coley, David; Kershaw, Tristan; Eames, Matthew E. (Elsevier, 2012)
    The uncertainty surrounding projections of climate change has left the building design community in a quandary. Should they assume a worst case scenario, and recommend adaptations to designs that might prove to be unnecessary ...
  • Comparison of the effective temperatures, gravities and helium abundances of DAO white dwarfs from Balmer and Lyman line studies 

    Good, S.A.; Barstow, M.A.; Holberg, J.B.; Sing, David K.; Burleigh, M.R.; Dobbie, P.D. (Oxford University Press on behalf of the Royal Astronomical Society, 2004)
    The use of observations of the hydrogen Balmer absorption series is a well-established method of determining the surface gravity and effective temperature (Teff) of white dwarfs. In situations where the Balmer lines cannot ...
  • Composite Fermions with Spin at $ν=1/2$ 

    Kramer, B; Magnoli, N; Mariani, E; Merlo, M; Napoli, F; Sassetti, M (IOS Press, 2003)
    The model of Composite Fermions for describing interacting electrons in two dimensions in the presence of a magnetic field is described. In this model, charged Fermions are combined with an even number of magnetic flux ...
  • Compressed sensing with near-field THz radiation 

    Stantchev, RI; Phillips, DB; Hobson, P; Hornett, SM; Padgett, MJ; Hendry, E (Optical Society of America, 2017-08-17)
    We demonstrate a form of near-field terahertz (THz) imaging that is compatible with compressed sensing algorithms. By spatially photomodulating THz pulses using a set of shaped binary optical patterns and employing a ...
  • Compression or tension? The stress distribution in the proximal femur 

    Rudman, KE; Aspden, RM; Meakin, JR (BioMed Central, 2006-02-20)
    BACKGROUND: Questions regarding the distribution of stress in the proximal human femur have never been adequately resolved. Traditionally, by considering the femur in isolation, it has been believed that the effect of body ...
  • Computationally efficient analysis of extraordinary optical transmission through infinite and truncated subwavelength hole arrays 

    Camacho, M; Boix, RR; Medina, F (American Physical Society, 2016-06-22)
    The authors present a computationally efficient technique for the analysis of extraordinary transmission through both infinite and truncated periodic arrays of slots in perfect conductor screens of negligible thickness. ...
  • Computer-aided detection in musculoskeletal projection radiography: A systematic review 

    Gundry, M; Knapp, K; Meertens, R; Meakin, JR (WB Saunders for College of Radiographers, 2017-12-07)
    Objectives To investigated the accuracy of computer-aided detection (CAD) software in musculoskeletal projection radiography via a systematic review. Key findings Following selection screening, eligible studies were ...
  • Confronting standard models of proto-planetary disks with new mid-infrared sizes from the Keck Interferometer 

    Millan-Gabet, Rafael; Che, Xiao; Monnier, John D.; Sitko, Michael l.; Russell, Ray W.; Grady, Carol A.; Day, Amanda N.; Perry R.B.; Harries, Tim J.; Aarnio, Alicia N.; Colavita, Mark M.; Wizinowich, Peter L.; Ragland, Sam; Woillez, Julien (American Astronomical Society, 2016-07-26)
    We present near and mid–infrared interferometric observations made with the Keck Interferometer Nuller and near–contemporaneous spectro–photometry from the IRTF of 11 well known young stellar objects, several observed for ...
  • Confronting Standard Models of Proto–Planetary Disks With New Mid–Infrared Sizes from the Keck Interferometer 

    Milan-Gabet, R; Che, X; Monnier, JD; Sitko, ML; Russell, RW; Grady, CA; Day, AN; Perry, RB; Harries, TJ; Aarnio, AN; Colavita, MM; Wizinowich, PL; Ragland, S; Woillez, J (American Astronomical Society, 2016-07-26)
    We present near- and mid-infrared (MIR) interferometric observations made with the Keck Interferometer Nuller and near-contemporaneous spectro-photometry from the infrared telescope facilities (IRTFs) of 11 well-known young ...
  • Conoscopic observation of director reorientation during Poiseuille flow of a nematic liquid crystal 

    Holmes, Christopher J.; Cornford, Stephen Leslie; Sambles, J. Roy (American Institute of Physics, 2009)
    Director reorientation under pressure driven (Poiseuille) flow is observed conoscopically for the liquid crystal 5CB aligned at an azimuthal angle of 45° to the direction of flow. A polyimide surface treatment (AL 1254) ...
  • Consistency of certain constitutive relations with quantum electromagnetism 

    Horsley, S.A.R. (American Physical Society, 2011)
    Recent work by Philbin [ New J. Phys. 12 123008 (2010)] has provided a Lagrangian theory that establishes a general method for the canonical quantization of the electromagnetic field in any dispersive, lossy, linear ...
  • A consistent retrieval analysis of 10 hot Jupiters observed in transmission 

    Barstow, JK; Aigrain, S; Irwin, PGJ; Sing, DK (American Astronomical Society / IOP Publishing, 2017-01-01)
    We present a consistent optimal estimation retrieval analysis of 10 hot Jupiter exoplanets, each with transmission spectral data spanning the visible to near-infrared wavelength range. Using the NEMESIS radiative transfer ...
  • Constrained hyperbolic divergence cleaning in smoothed particle magnetohydrodynamics with variable cleaning speeds 

    Tricco, TS; Price, DJ; Bate, Matthew R. (Elsevier, 2016-10-01)
    We present an updated constrained hyperbolic/parabolic divergence cleaning algorithm for smoothed particle magnetohydrodynamics (SPMHD) that remains conservative with wave cleaning speeds which vary in space and time. This ...
  • Constraining the wind launching region in Herbig Ae stars: AMBER/VLTI spectroscopy of HD 104237 

    Tatulli, E; Isella, A; Natta, A; Testi, L; Marconi, A; Malbet, F; Stee, P; Petrov, RG; Millour, F; Chelli, A; Duvert, G; Antonelli, P; Beckmann, U; Bresson, Y; Dugué, M; Gennari, S; Glück, L; Kern, P; Lagarde, S; Le Coarer, E; Lisi, F; Perraut, K; Puget, P; Rantakyrö, F; Robbe-Dubois, S; Roussel, A; Weigelt, G; Zins, G; Accardo, M; Acke, B; Agabi, K; Altariba, E; Arezki, B; Aristidi, E; Baffa, C; Behrend, J; Blöcker, T; Bonhomme, S; Busoni, S; Cassaing, F; Clausse, J-M; Colin, J; Connot, C; Delboulbé, A; Domiciano de Souza, A; Driebe, T; Feautrier, P; Ferruzzi, D; Forveille, T; Fossat, E; Foy, R; Fraix-Burnet, D; Gallardo, A; Giani, E; Gil, C; Glentzlin, A; Heiden, M; Heininger, M; Hernandez Utrera, O; Hofmann, K-H; Kamm, D; Kiekebusch, M; Kraus, S; Le Contel, D; Le Contel, J-M; Lesourd, T; Lopez, B; Lopez, M; Magnard, Y; Mars, G; Martinot-Lagarde, G; Mathias, P; Mège, P; Monin, J-L; Mouillet, D; Mourard, D; Nussbaum, E; Ohnaka, K; Pacheco, J; Perrier, C; Rabbia, Y; Rebattu, S; Reynaud, F; Richichi, A; Robini, A; Sacchettini, M; Schertl, D; Schöller, M; Solscheid, W; Spang, A; Stefanini, P; Tallon, M; Tallon-Bosc, I; Tasso, D; Vakili, F; von der Lühe, O; Valtier, J-C; Vannier, M; Ventura, N (EDP Sciences for European Southern Observatory (ESO), 2006-09-12)
    Aims. We investigate the origin of the Brγ emission of the Herbig Ae star HD 104237 on Astronomical Unit (AU) scales. Methods. Using AMBER/VLTI at a spectral resolution R = 1500 we spatially resolve the emission in both ...