Browsing Mathemateg a Ffiseg / Mathematics & Physics by Title

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  • Burgarth, Daniel; Maryuama, Koji; Murphy, Michael; Montangero, Simone; Calarco, Tommaso; Nori, Franco; Plenio, Martin B. (2010-04-22)
    We apply quantum control techniques to a long spin chain by acting only on two qubits at one of its ends, thereby implementing universal quantum computation by a combination of quantum gates on these qubits and indirect ...
  • Iantchenko, A. (2007-06)
    To study the location of poles for the acoustic scattering matrix for two strictly convex obstacles with smooth boundaries, one uses an approximation of the quantized billiard operator M along the trapped ray between the ...
  • Iantchenko, A. (2007-06)
    To study the location of poles for the acoustic scattering matrix for two strictly convex obstacles with smooth boundaries, one uses an approximation of the quantized billiard operator M along the trapped ray between the ...
  • Cox, Simon; Graner, François; Vaz, M. Fatima (2008)
    Using the Surface Evolver software, we perform numerical simulations of point-like deformations in a two-dimensional foam. We study perturbations which are infinitesimal or finite, isotropic or anisotropic, and we either ...
  • Davies, Ioan Tudur; Cox, Simon John (2010-07)
    The sedimentation of an elliptical object in a dry two-dimensional, monodisperse foam is simulated. The calculations are quasi-static, allowing the identification and separation of the elastic, plastic and viscous response ...
  • Davies, Ioan Tudur (Aberystwyth UniversityMathematical and Physical Sciences, 2009)
    The rheology of a two-dimensional dry foam is probed with quasi-static bubblescale simulations of the sedimentation of circular discs and elliptical objects. The sedimenting objects move in response to a combination of ...
  • Davies, Ioan Tudur; Cox, Simon (Elsevier, 2009-06)
    The sedimentation of circular discs in a dry two-dimensional, monodisperse foam is studied. This, a variation of the classical Stokes experiment, provides a prototype experiment to study a foam’s response. The interaction ...
  • Cousins, Claire R.; Gunn, Matthew David; Prosser, Bryan J.; Barnes, Dave; Crawford, Ian A.; Griffiths, Andrew D.; Davis, Lottie E.; Coates, Andrew J. (2012-10)
    The Panoramic Camera (PanCam) instrument will provide surface remote sensing data for the ExoMars mission. A combination of wide-angle stereo, multispectral, and high resolution imagery will generate contextual geological ...
  • Cousins, Claire R.; Gunn, Matthew David; Prosser, Bryan J.; Barnes, Dave; Crawford, Ian A.; Griffiths, Andrew D.; Davis, Lottie E.; Coates, Andrew J. (2012-10)
    The Panoramic Camera (PanCam) instrument will provide surface remote sensing data for the ExoMars mission. A combination of wide-angle stereo, multispectral, and high resolution imagery will generate contextual geological ...
  • Huang, Ya-Shih; Yang, Xudong; Schwartz, Erik; Lu, Li Ping; Albert-Seifried, Sebastian; Finlayson, Christopher Edward; Koepf, Matthieu; Kitto, Heather J.; Ulgut, Burak; Otten, Matthijs B. J.; Cornelissen, Jeroen J. L. M.; Nolte, Roeland J. M.; Rowan, Alan E.; Friend, Richard H. (2011-02-24)
    We report on the synthesis and detailed photophysical investigation of four model chromophore side chain polyisocyanopeptides: two homopolymers of platinum-porphyrin functionalized polyisocyanopeptides (Pt-porphyrin-PIC) ...
  • Huang, Ya-Shih; Yang, Xudong; Schwartz, Erik; Lu, Li Ping; Albert-Seifried, Sebastian; Finlayson, Christopher Edward; Koepf, Matthieu; Kitto, Heather J.; Ulgut, Burak; Otten, Matthijs B. J.; Cornelissen, Jeroen J. L. M.; Nolte, Roeland J. M.; Rowan, Alan E.; Friend, Richard H. (2011-02-24)
    We report on the synthesis and detailed photophysical investigation of four model chromophore side chain polyisocyanopeptides: two homopolymers of platinum-porphyrin functionalized polyisocyanopeptides (Pt-porphyrin-PIC) ...
  • Gough, John Edward; James, Matthew R. (2009-10-13)
    The purpose of this paper is to present simple and general algebraic methods for describing series connections in quantum networks. These methods build on and generalize existing methods for series (or cascade) connections ...
  • Cox, Simon; Whittick, Emma (2006)
    We use the Surface Evolver to determine the shear modulus G of a dry 2D foam of 2500 bubbles, using both extensional and simple shear. We examine G for a range of monodisperse, bidisperse and polydisperse foams, and relate ...
  • Cox, Simon; Vaz, Fatima; Teixeira, P. I. C. (2010-12-31)
    Topological defects in a foam, either isolated (disclinations and dislocations) or in pairs, affect the energy and stress, and play an important role in foam deformation. Surface Evolver simulations were performed on large ...
  • Wyn, Aled; Davies, Ioan Tudur; Cox, Simon John (2008-04-11)
    Surface Evolver simulations of flowing two-dimensional foams are described. These are used for two purposes. Firstly, to extract the location of the T1s, the changes in bubble topology that occur during plastic flow. It ...
  • Cox, Simon (2007-08-13)
    The flow of two-dimensional aqueous foams in the Couette geometry highlights the shear-response of this complex fluid. Quasistatic simulations using the Surface Evolver software are described which allow the calculation ...
  • Gough, John Edward; James, Matthew R.; Nurdin, Hendra I. (2012-11-28)
    We determine quantum master and filter equations for continuous measurement of systems coupled to input fields in certain non-classical continuous-mode states, specifically single photon states. The quantum filters are ...
  • Gough, John Edward; James, Matthew R.; Nurdin, Hendra I. (2012-11-28)
    We determine quantum master and filter equations for continuous measurement of systems coupled to input fields in certain non-classical continuous-mode states, specifically single photon states. The quantum filters are ...
  • Van Handel, R.; Gough, John E. (2007-02)
    We consider a physical system which is coupled indirectly to a Markovian resevoir through an oscillator mode. This is the case, for example, in the usual model of an atomic sample in a leaky optical cavity which is ubiquitous ...
  • Van Handel, R.; Gough, John E. (2007-02)
    We consider a physical system which is coupled indirectly to a Markovian resevoir through an oscillator mode. This is the case, for example, in the usual model of an atomic sample in a leaky optical cavity which is ubiquitous ...

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