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Browsing 02 Physical Sciences by Title

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  • Models for guidance in kagomestructured hollowcore photonic crystal fibres 
    Pearce G; Weiderhecker G; Poulton Christopher; Burger S; Russell P (Optical Society of America, 2007)
    We demonstrate by numerical simulation that the general features of the loss spectrum of photonic crystal fibres (PCF) with a kagome structure can be explained by simple models consisting of thin concentric hexagons or ...
  • Modes of composite defects in 2D photonic crystals 
    Poulton Christopher; Mcphedran Ross; Dossou Kokou; Mahmoodian Sahand; Botten Lindsay; De Sterke C; Asatryan Ara (IEEE, 2008)
    We demonstrate the existence of a class of defects in 2D photonic crystals, for which the eigenstates depend only on the defect geometry, and not on details Re photonic crystal parameters or defect size.
  • Modes of coupled photonic crystal waveguides 
    De Sterke C; Botten Lindsay; Asatryan Ara; White Tom; Mcphedran Ross (Optical Society of America, 2004)
    We consider the modes of coupled photonic crystal waveguides. We find that the fundamental modes of these structures can be either even or odd. in contrast with the behavior in coupled conventional waveguides, in which the ...
  • Modes of random lasers 
    Andreasen J; Asatryan Ara; Botten Lindsay; Byrne M; Cao H; Ge L; Labonte L; Sebbah P; Stone A; Tã¼Reci H; Vanneste C (Optical Society of America, 2011)
    In conventional lasers, the optical cavity that confines the photons also determines essential characteristics of the lasing modes such as wavelength, emission pattern, directivity, and polarization. In random lasers, which ...
  • Modes of symmetric composite defects in two-dimensional photonic crystals 
    Mcphedran Ross; Mahmoodian Sahand; Dossou Kokou; Botten Lindsay; Poulton Christopher; De Sterke C (American Physical Society, 2009)
    We consider the modal fields and resonance frequencies of composite defects in two-dimensional photonic crystals (PCs). Using an asymptotic method based on Green's functions, we show that the coupling matrices for the ...
  • Modulations of valenceband photoemission spectrum from C60 monolayers on Ag(111) 
    Ton-That, C.; Shard, A. G, Egger, S.; Dhanak, V. R.; Welland, M. E. (American Physical Society, 2003)
    We demonstrate by numerical simulation that the general features of the loss spectrum of photonic crystal fibres (PCF) with a kagome structure can be explained by simple models consisting of thin concentric hexagons or ...
  • Molecular dynamic investigation of length dependency of single-walled carbon nanotube 
    Ranjbartoreh Ali Rezah; Wang Guoxiu (Elsevier BV, 2010)
    This paper investigates the effects of length's variations on Young's modulus, compressive elastic modulus, tensile, compressive, and lateral stiffness, critical buckling strain, critical axial force and pressure of armchair ...
  • Monet's Painting under the Microscope 
    Dredge Paula; Wuhrer Richard; Phillips Matthew (Cambridge University Press, 2003)
    An oil painting by Claude Monet, Port-Goulphar, Belle-Ile 1887 (collection of the Art Gallery of New South Wales), was examined to determine both the identity of the pigments used by the artist in this painting and his ...
  • Monodisperse hematite porous nanospheres: synthesis, characterization, and applications for gas sensors 
    Gou Xinglong; Wang Guoxiu; Park Jinsoo; Liu Hao; Yang Juan (Institute of Physics (UK), 2008)
    Monodisperse á-Fe2O3 porous nanospheres with uniform shape and size have been synthesized via a facile template-free route. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy ...
  • Monte Carlo-based estimation of uncertainty owing to limited resolution of digital instruments 
    Frenkel Robert; Kirkup Leslie (Bureau International des Poids et Mesures, 2005)
    We have used a Monte Carlo simulation for investigating the output of a digital instrument, of resolution half-width a, when its analogue input is a Gaussian signal. The digitizing process converts an actual mean to ...
  • Mossbauer study on LiFePO4 cathode material for lithium ion batteries 
    Hannoyer B.; Prince A.; Jean M.; Liu R.; Wang Guoxiu (Springer Netherlands, 2006)
    Crystalline LiFePO4 has been synthesized using solid-state, spray pyrolysis, and wet chemical methods. The crystal parameters were obtained from Rietveld¿s refinement methods of the X-ray diffraction patterns. A detailed ...
  • Multi-Detector X-Ray Mapping and Generation of Correction Factor Images for Problem Solving 
    Wuhrer Richard; Moran Ken; Phillips Matthew (Cambridge University Press, 2008)
    X-ray mapping with Silicon Drift detectors (SDD¿s) and multi-EDS detector systems has become an invaluable analysis technique because the time to perform an x-ray map is reduced considerably. Live x-ray imaging can now ...
  • Multipartite-To-Bipartite Entanglement Transformations And Polynomial Identity Testing 
    Chitambar E; Duan Runyao; Shi Yuquan (Amer Physical Soc, 2010)
    We consider the problem of deciding if some multiparty entangled pure state can be converted, with a nonzero success probability, into a given bipartite pure state shared between two specified parties through local quantum ...
  • Multipartite Unlockable Bound Entanglement In The Stabilizer Formalism 
    Wang Gehong; Ying Mingsheng (American Physical Soc, 2007)
    We find an interesting relationship between multipartite bound entangled states and the stabilizer formalism. We prove that, if a set of commuting operators from the generalized Pauli group on n qudits satisfy certain ...
  • Multiple-Copy Entanglement Transformation And Entanglement Catalysis 
    Duan Runyao; Feng Yuan; Li X; Ying Mingsheng (American Physical Soc, 2005)
    We prove that any multiple-copy entanglement transformation [S. Bandyopadhyay, V. Roychowdhury, and U. Sen, Phys. Rev. A 65, 052315 (2002)] can be implemented by a suitable entanglement-assisted local transformation [D. ...
  • Multipole Method for Microstructured Optical Fibers. I. Formulation 
    White Tom; Kuhlmey Boris; Mcphedran Ross; Maystre Daniel; Renversez Gilles; De Sterke C; Botten Lindsay (Optical Society of America, 2002)
    We describe a multipole method for calculating the modes of microstructured optical fibers. The method uses a multipole expansion centered on each hole to enforce boundary conditions accurately and matches expansions with ...
  • Multipole method for microstructured optical fibers. II. Implementation and results 
    Kuhlmey Boris; White Tom; Renversez Gilles; Maystre Daniel; Botten Lindsay; De Sterke C; Mcphedran Ross (Optical Society of America, 2002)
    We describe the numerical verifications of a multipole formulation for calculating the electromagnetic properties of the modes that propagate in microstructured optical fibers. We illustrate the application of this ...
  • Multipole method for modeling linear defects in photonic woodpiles 
    Kan Dougal; Asatryan Ara; Poulton Christopher; Botten Lindsay (Optical Society of America, 2010)
    We extend the multipole method to allow for rod-type defects in woodpiles composed of infinitely long cylinders. A coupled-resonator optical waveguide and a linear waveguide are considered, where each waveguide is embedded ...
  • Multiquadrics collocation method for transient eddy current problems 
    Zhang Yong; Shao Ke; Guo Youguang; Zhu Jianguo; Lavers J (Institute of Electrical and Electronics Engineers, 2006)
    This paper presents the multiquadrics collocation method (MQCM) for transient eddy current problems. Both the implicit scheme and Crank–Nicolson time matching scheme are used here for time discretization. An example on ...
  • Multiresolution Analysis for Reconstruction of Conductivity Profiles in Eddy Current Non-Destructive Evaluation Using Probe Impedance Data 
    Shao Ke; Guo Youguang; Lavers J (Institute of Electrical and Electronics Engineers, 2004)
    This paper presents a wavelet-based multiresolution analysis method for solving the inverse problem in eddy current testing (ECT). Using the probe impedance signals as the measurement data, the reconstruction of ...