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Browsing 02 Physical Sciences by Title

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  • Liu, Wei; Sukhorukov, Andrey; Miroshnichenko, Ae; Poulton, Christopher; Xu, Zy; Neshev, Dn; Kivshar, Y (Amer Inst Physics, 2010)
    We study a plasmonic coupler involving backward (TM01) and forward (HE11) modes of dielectric waveguides embedded into an infinite metallic background. The simultaneously achievable contradirectional energy flows and ...
  • Vijayakumar, R; Shivaramu, G; Rajasekaran, L; Ramamurthy, N; Ford, Mike (Elsevier Science Bv, 2005)
    We present here the Compton profile (CP) of polycrystalline sodium chloride and sodium fluoride. Our results consists of spherical average Compton profile based on measurements and calculation of spherical average Compton ...
  • Vijayakumar, R; Shivaramu, G; Ramamurthy, N; Ford, Mike (Elesvier, 2008)
    Here we report the first ever 137Cs Compton spectroscopy study of lithium fluoride. The spherical average Compton profiles of lithium fluoride are deduced from Compton scattering measurements on poly crystalline sample at ...
  • Kealley, Catherine; Cortie, Michael (Springer, 2010)
    Hollow, nanoscale, scalene ellipsoids of Ag or Au provide an exceedingly tunable localized surface plasmon resonance. Here, we use numerical simulations to determine the limits of the color space that would be possible ...
  • Feng, Yuan; Duan, Runyao; Ji, Zhengfeng (American Physical Soc, 2005)
    The linearity of quantum operations puts many fundamental constraints on the information processing tasks we can achieve on a quantum system whose state is not exactly known, just as we observe in quantum cloning and quantum ...
  • Xin, Yu; Duan, Runyao (Amer Physical Soc, 2007)
    We generalize Nielsen's majorization criterion for the convertibility of bipartite pure states [Phys. Rev. Lett. 83, 436 (1999)] to a special class of multipartite pure states with generalized Schmidt decompositions.
  • Asatryan, Ara; Botten, Lindsay; Mcphedran, Ross; De Sterke, C; Nicorovici, Nicolae; Langtry, Tim (Optical Society of America, 2004)
    Conductance properties of photons in disordered two-dimensional photonic crystals is calculated using exact multipole expansions technique. The Landauer?s two-terminal formula is used to calculate average of the conductance, ...
  • Asatryan, Ara; Botten, Lindsay; Byrne, Michael; Nicorovici, Nicolae; Mcphedran, Ross; De Sterke, C; Robinson, Peter; Langtry, Tim (American Physical Soc, 2005)
    The conductance of photons in two-dimensional disordered photonic crystals is calculated using an exact multipole-plane wave method that includes all multiple scattering processes. Conductance fluctuations, the universal ...
  • White, Tom; Mcphedran, Ross; De Sterke, C; Botten, Lindsay; Steel, Michael (Optical Society of America, 2001)
  • Bordas, Frederic; Steel, Michael; Seassal, Christian; Rahmani, Adel (Optical Society of America, 2007)
    We study the confinement of low group velocity band-edge modes in a photonic crystal slab. We use a rigorous, three dimensional, finite-difference time-domain method to compute the electromagnetic properties of the modes ...
  • Guenneau Sebastien; Guenneau, Sebastien; Poulton, Christopher; Movchan, Alexander (Elsevier Inc, 2003)
    This paper presents properties of electromagnetic waves propagating through a doubly periodic array of cylindrical channels in oblique incidence. A new method, based on a multipole scattering approach, has been proposed ...
  • Bradby, Jodie; Kucheyev, Sergei; Williams, Jim; Jagadish, Chennupati; Swain, Michael; Munroe, Paul; Phillips, Matt (American Institute of Physics, 2002)
    Contact-induced damage has been studied in single-crystal (wurtzite) ZnO by cross-sectional transmission electron microscopy (XTEM) and scanning cathodoluminescence (CL) monochromatic imaging. XTEM reveals that the prime ...
  • Toth, Milos; Lobo, Charlene; Lysaght, Michael; Vladar, Ae; Postek, Mt (Amer Inst Physics, 2009)
    Many ultraviolet, x-ray and charged particle beam techniques are inhibited by the growth of carbonaceous films caused by cross linking of hydrocarbon contaminant adsorbates. In electron microscopy, such films obscure surface ...
  • Aharonovich, Igor; Niu, N; Rol, F; Russell, Kasey; Woolf, A; El-Ella, Haitham; Kappers, Menno; Oliver, Rachel; Hu, Evelyn (Amer Inst Physics, 2011)
    Controlled tuning of the whispering gallery modes of GaN/InGaN microdisk cavities is demonstrated. The whispering gallery mode (WGM) tuning is achieved at room temperature by immersing the microdisks in water and irradiating ...
  • Mokkapati, Sudha; Lever, Penelope; Tan, Hark; Jagadish, Chennupati; Mcbean, Katie; Phillips, Matt (Amer Inst Physics, 2005)
    Selective growth of InGaAs quantum dots on GaAs is reported. It is demonstrated that selective-area epitaxy can be used for in-plane bandgap energy control of quantum dots. Atomic force microscopy and cathodoluminescence ...
  • Wu, Helen; Fitzell, Bob; Samali, Bijan (Australian Acoustical Society, 2005)
    Base isolation is found effective in reducing torsional response of structures with mass eccentricity when subjected to earthquakes. In this study, dynamic characteristics of an eccentric five-storey benchmark model, ...
  • Poulton, Christopher; Mcphedran, Ross; Movchan, Natalia; Movchan, Alexander (Taylor & Francis Ltd, 2010)
    We present converged band diagrams for Bloch-Floquet bending waves in a thin elastic plate containing a square array of circular perforations, using the multipole formulation developed by Movchan et al. (2007) and applied ...
  • Guo, Youguang; Zhu, Jianguo; Zhong, Jin Jiang; Wu, Wei (IEEE-Inst Electrical Electronics Engineers Inc, 2003)
  • Cortie, Michael; Dowd, Annette; Harris, Nadine; Ford, Mike (American Physical Society, 2007)
    We propose a smart nanoparticle, a regulatron, that exploits a cycle of dynamic plasmonic feedback to self-regulate its temperature to a fixed range. One kind of regulatron can be conceived from VO2 and Au; the temperature ...
  • Ton-That, Cuong; Foley, Matthew; Tsuzuki, Takuya; Smith, Zoe; Phillips, Matt (Elsevier, 2012)
    The crystallographic and optical properties of Mn-doped ZnO nanoparticles prepared by a sol-gel process have been investigated by X-ray diffraction, UV-visible absorption spectroscopy and cathodoluminescence microanalysis. ...