Browsing 02 Physical Sciences by Title

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Browsing 02 Physical Sciences by Title

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  • Discrete Dipole Approximation for the Study of Radiation Dynamics in a Magnetodielectric Environment 
    Rahmani Adel; Chaumet Patrick; Bryant Garnett (Optical Society of America, 2010)
    We develop a general computational approach, based on the discrete dipole approximation, for the study of radiation dynamics near or inside an object with arbitrary linear dielectric permittivity, and magnetic permeability ...
  • Discrete dipole approximation for the study of radiation dynamics in a magnetodielectric environment 
    Rahmani Adel; Chaumet Patrick; Bryant Garnett (Optical Society of America, 2010)
    We develop a general computational approach, based on the discrete dipole approximation, for the study of radiation dynamics near Of inside an object with arbitrary linear dielectric pennittivity, and magnetic penneability ...
  • Discrete Dipole Approximation For Time-Domain Computation Of Optical Forces On Magnetodielectric Scatterers 
    Chaumet Patrick; Belkebir Kamal; Rahmani Adel (Optical Soc Amer, 2011)
    We present a general approach, based on the discrete dipole approximation (DDA), for the computation of the exchange of momentum between light and a magnetodielectric, three-dimensional object with arbitrary geometry and ...
  • Discrimination Between Pure States And Mixed States 
    Zhang Chengqi; Wang Gehong; Ying Mingsheng (American Physical Soc, 2007)
    In this paper, we discuss the problem of determining whether a quantum system is in a pure state, or in a mixed state. We apply two strategies to settle this problem: the unambiguous discrimination and the maximum confidence ...
  • Disjoint Track Matching Based On A Major Color Spectrum Histogram Representation 
    Cheng Eric; Piccardi Massimo (SPIE - International Society for Optical Engineering, 2007)
  • Dissociation of H-related defect complexes in Mg-doped GaN 
    Gelhausen Olaf; Phillips Matthew; Goldys Ewa; Paskova Tanja; Monemar Bo; Strassburg M; Hoffmann Axel (American Physical Society, 2004)
    Post-growth annealing and electron beam irradiation during cathodoluminescence were used to determine the chemical origin of the main optical emission lines in moderately and heavily Mg-doped GaN. The 3.27 eV donor-acceptor ...
  • Distinguishability of Quantum States by Separable Operations 
    Duan Runyao; Feng Yuan; Xin Yu; Ying Mingsheng (IEEE-Inst Electrical Electronics Engineers Inc, 2009)
    In this paper, we study the distinguishability of multipartite quantum states by separable operations. We first present a necessary and sufficient condition for a finite set of orthogonal quantum states to be distinguishable ...
  • Doping-level-dependent optical properties of GaN:Mn 
    Gelhausen Olaf; Malguth Enno; Phillips Matthew; Goldys Ewa; Strassburg M; Hoffmann Axel; Graf T; Gjukic M; Stutzmann M (American Institute of Physcis, 2004)
    The optical properties of molecular-beam-epitaxy-grown GaN with different Mn-doping levels (5–2331019 cm23) were studied by cathodoluminescence (CL) and optical transmission spectroscopy. Transmission measurements at 2 ...
  • Dynamic buckling of shallow pin-ended arches under a sudden central concentrated load 
    Pi Yong Lin; Bradford Mark (Academic Press Ltd Elsevier Science Ltd, 2008)
    When a shallow arch is subjected to an in-plane load that is applied suddenly, the arch will oscillate about an equilibrium position due to the kinetic energy imparted to the arch by the sudden load. If the suddenly applied ...
  • Dynamic evaluation of conditional probabilities of winning a tennis match 
    Cohen Graeme; Clowes Shaun; Tomljanovic Ljiljana (University of Technology, Sydney, 2002)
    Let p and q be the probabilities of players A and B, respectively, winning a point in a game of tennis (p+q = 1). We describe a program which has been devised and implemented to give the probability of A or B winning the ...
  • Dynamic Modelling and Applications for Passenger Car Powertrains 
    Crowther Ashley; Zhang Nong (Australian Acoustical Society, 2004)
    Torsional finite elements for direct, geared, branched and grounded connections are presented. For a simple three-degreesof- freedom powertrain model the finite elements are defmed and the global system assembly is detailed. ...
  • Dynamic model of the grinding process 
    Zhang Nong; Kirpitchenko Inessa; Liu Dikai (Elsevier, 2005)
    Grinding is one of the most versatile methods of removing material from machine parts to provide precise geometry. Dynamic analysis of the grinding process is necessary to reduce the surface waviness and roughness induced ...
  • Dynamics of Light Emission in CdMnS Nanoparticles 
    Godlewski Marek; Yatsunenko S; Drozdowicz-Tomsia Krystyna; Goldys Ewa; Phillips Matthew; Klar Peter; Heimbrodt Wolfram (Polish Academy of Sciences, 2005)
    We demonstrate coexistence of slow and fast components of photolumi- nescence decay of the Mn2+ intra-shell emission in nanoparticles of CdMnS. We explain the observed decrease in PL lifetime of the Mn2+ intra-shell ...
  • EBSD and XRM of Phases in Vacuum Cast Composite Alloys 
    Wuhrer Richard; Huggett Paul; Moran Ken; Phillips Matthew; Ben-Nissan Besim (Cambridge University Press, 2005)
    There have been a number of new processes developed that allow the joining of very dissimilar materials such as titanium alloys, wear resistant white irons, cast irons and ceramic materials to ferrous (mild steel) and ...
  • EBSD Investigations of Equal Channel Angular Extruded Copper 
    Wuhrer Richard; Meijer Elisabeth; Yeung Wing; Attard D (Cambridge University Press, 2007)
    Development of nano- and submicron-structured materials has attracted significant research interest in the last ten years [1, 2]. Most recently, an innovative technology called the Equal Channel Angular Extrusion (ECAE) ...
  • Educational Analysis Of A First Year Engineering Physics Experiment On Standing Waves: Based On The Acell Approach 
    Bhathal Ragbir; Sharma Manju; Mendez Alberto (Iop Publishing Ltd, 2010)
    This paper describes an educational analysis of a first year physics experiment on standing waves for engineering students. The educational analysis is based on the ACELL (Advancing Chemistry by Enhancing Learning in the ...
  • Educational intervention for patients with automatic implantable cardioverter defibrillators 
    Edelman Sarah; Lemon Jim; Kirkness Ann (Australian Nursing Federation, 2007)
  • Effective optical constants of nanostructured thin silver films and impact of an insulator coating 
    Maaroof Abbas; Smith Geoffrey (Elsevier Sequoia, 2005)
    Two distinct electrically percolated types of nanostructured silver (n-Ag) films on glass substrates have been optically and structurally studied and effective refractive indices determined. The first though well above the ...
  • Effect of composition and packing configuration on the dichroic optical properties of coinage metal nanorods 
    Cortie Michael; Xu Xiaoda; Ford Michael (Royal Society of Chemistry, 2006)
    When nanorods of Au, Ag and some other elements are aligned with a preferred orientation with respect to light, their optical extinction characteristics become dependent on the polarization and angle of incidence of the ...
  • Effect of doping on flux pinning of GdBa2Cu3O7-y 
    Zhang L; Xu X; Ding S; Zheng Minghui; Xiao Lin; Ren Hongtao; Jiao Yulei; Wang Xiu-Hong; Lin Zhi Wei (Jack); Zhu Jianguo (American Institute of Physics, 2005)
    Cylindrical single grains of GdBa2Cu3Oy (Gd-123) with a diameter of 25 mm were successfully fabricated by melt-texture growth (MTG) process in air to study the influence of different starting powders on flux pinning. ...