AUB ScholarWorks

Browsing Department of Physics by Issue Date

Browsing Department of Physics by Issue Date

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  • Enhancing LSPR Sensitivity of Au Gratings through Graphene Coupling to Au Film 
    Maurer, Thomas; Nicolas, Rana; Lévêque, Gaëtan; Subramanian, Palaniappan; Proust, Julien; Béal, Jérémie; Schuermans, Silvère; Vilcot, Jean Pierre; Herro, Ziad G.; Kazan, Michel; Plain, Jérôme; Boukherroub, Rabah; Akjouj, Abdellatif; Djafari-Rouhani, Bahram; Adam, Pierre Michel; Szunerits, Sabine (Springer New York LLC, 2014)
    A particular interesting plasmonic system is that of metallic nanostructures interacting with metal films. As the localized surface plasmon resonance (LSPR) behavior of gold nanostructures (Au NPs) on the top of a gold ...
  • Vlasov-poisson in 1D: Waterbags 
    Colombi, Stéphane T.; Touma, Jihad R. (Oxford University Press, 2014)
    We revisit in one dimension the waterbag method to solve numerically Vlasov-Poisson equations. In this approach, the phase-space distribution function f (x, v) is initially sampled by an ensemble of patches, the waterbags, ...
  • Coil-bridge transition in a single polymer chain as an unconventional phase transition: Theory and simulation 
    Klushin, Leonid I.; Skvortsov, Aleksander M.; Polotsky, Alexey A.; Hsu, Hsiaoping; Binder, Kurt (American Institute of Physics Inc., 2014)
    The coil-bridge transition in a self-avoiding lattice chain with one end fixed at height H above the attractive planar surface is investigated by theory and Monte Carlo simulation. We focus on the details of the first-order ...
  • On the interaction between the ion cyclotron resonance heating and scrape-off layer turbulence via coherent waves 
    Antar, Ghassan Y.; Goniche, Marc; Ekedahl, Annika C.; Colas, Laurent (Institute of Physics Publishing, 2014)
    It was reported on the ASDEX-Upgrade tokamak and recently confirmed on the Tore Supra tokamak (Antar 2010 et al Phys. Rev. Lett. 105 165001, Antar 2012 Nucl. Fusion 52 103005) that ion cyclotron resonance heating (ICRH) ...
  • The statistical mechanics of self-gravitating Keplerian discs 
    Touma, Jihad R.; Tremaine, Scott D. (Institute of Physics Publishing, 2014)
    We describe the dynamics and thermodynamics of collisionless particle discs orbiting a massive central body, in the case where the disc mass is small compared to the central mass, the self-gravity of the disc dominates the ...
  • Cosmology with mimetic matter 
    Chamseddine, Ali H.; Mukhanov, Viatcheslav F.; Vikman, Alexander (Institute of Physics Publishing, 2014)
    We consider minimal extensions of the recently proposed Mimetic Dark Matter and show that by introducing a potential for the mimetic non-dynamical scalar field we can mimic nearly any gravitational properties of the normal ...
  • Sharp and fast: Sensors and switches based on polymer brushes with adsorption-active minority chains 
    Klushin, Leonid I.; Skvortsov, Aleksander M.; Polotsky, Alexey A.; Qi, Shuanhu; Schmid, Friederike (American Physical Society, 2014)
    We propose a design for polymer-based sensors and switches with sharp switching transition and fast response time. The switching mechanism involves a radical change in the conformations of adsorption-active minority chains ...
  • Industrializing the Arab world: a speculative case study 
    Zahlan, Antoine B. (Routledge, 2014)
    Some of the challenges facing Arab countries could be solved if their economies were industrialized. They have made much progress in some fields, but have failed so far to industrialize. While this is obviously a complicated ...
  • Geometry and the quantum: basics 
    Chamseddine, Ali H.; Connes, Alain; Mukhanov, Viatcheslav F. (Springer Verlag, 2014)
    Abstract: Motivated by the construction of spectral manifolds in noncommutative geometry, we introduce a higher degree Heisenberg commutation relation involving the Dirac operator and the Feynman slash of scalar fields. ...
  • Arm retraction dynamics and bistability of a three-arm star polymer in a nanopore 
    Milchev, Andrey I.; Müller, Marcus; Klushin, Leonid I. (American Chemical Society, 2014)
    Using molecular dynamics and Monte Carlo simulations as well as analytical considerations, we study the arm-retraction dynamics of a three-arm star polymer in a narrow nanotube as a function of arm length, N, and tube ...
  • Investigation on superconducting properties of GdBa2Cu3O7−δ added with nanosized ZnFe2O4 
    Awad, Ramadan; Abou-Aly, Aly Ibrahim; Mohammed, N. H.; Isber, Samih; Motaweh, Hussien A.; El-Said Bakeer, Douaa (Elsevier Ltd, 2014)
    The effect of nanosized ZnFe2O4, prepared by Co-precipitation method, on GdBa2Cu3O7- δ superconductor was studied. Therefore, superconducting samples of type (ZnFe2O4)xGdBa 2Cu3O7-δ, 0.0≤x≤0.1 wt.%, were prepared by the ...
  • Generalized lock-in detection for interferometry: application to phase sensitive spectroscopy and near-field nanoscopy 
    Mohtar, Abeer Al; Vaillant, Julien; Sedaghat, Zohreh; Kazan, Michel; Joly, Lilian; Stoeffler, Clara; Cousin, Julien; Khoury, A.; Bruyant, Aurélien (Optical Society of America (OSA), 2014)
    A generalized lock-in detection method is proposed to extract amplitude and phase from optical interferometers when an arbitrary periodic phase or frequency modulation is used. The actual modulation function is used to ...
  • The contribution of surfaces and interfaces to the crystal thermal conductivity 
    Kazan, Michel; Masri, Pierre M. (Elsevier B.V., 2014)
    This review provides theoretical understanding of the role of the surface and interface in the thermal conductivity of solids. An attempt is made to collect the various methods used in the analysis of experiments. The ...
  • Stress evolution in Si during low-energy ion bombardment 
    Ishii, Yohei; Madi, Charbel S.; Aziz, Michael J.; Chason, Eric H. (Cambridge University Press, 2014)
    Measurements of stress evolution during low-energy argon ion bombardment of Si have been made using a real-time wafer curvature technique. During irradiation, the stress reaches a steady-state compressive value that depends ...
  • Calculation of the lattice thermal conductivity in granular crystals 
    Kazan, Michel; Volz, Sébastian Gunter (American Institute of Physics Inc., 2014)
    This paper provides a general model for the lattice thermal conductivity in granular crystals. The key development presented in this model is that the contribution of surface phonons to the thermal conductivity and the ...
  • Grand unification in the spectral Pati-Salam model 
    Chamseddine, Ali H.; Connes, Alain; van Suijlekom, Walter Daniël (Springer Verlag, 2015)
    Abstract: We analyze the running at one-loop of the gauge couplings in the spectral Pati-Salam model that was derived in the framework of noncommutative geometry. There are a few different scenarios for the scalar particle ...
  • Near-field and far-field sensitivities of LSPR sensors 
    Kamińska, Izabela I.; Maurer, Thomas; Nicolas, Rana; Renault, Mikael; Lerond, Thomas; Salas-Montiel, Rafael; Herro, Ziad G.; Kazan, Michel; Niedziółka-Jönsson, Joanna; Plain, Jérôme; Adam, Pierre Michel; Boukherroub, Rabah; Szunerits, Sabine (American Chemical Society, 2015)
    The present study compares the near-field and far-field sensitivities of localized surface plasmon resonance (LSPR) sensors. To put into evidence the difference between far-field and near-field sensors, optical extinction ...
  • Force-extension curves for broken-rod macromolecules: Dramatic effects of different probing methods for two and three rods 
    Alexeev, A. V.; Maltseva, Diana V.; Ivanov, Viktor A.; Klushin, Leonid I.; Skvortsov, Aleksander M. (American Institute of Physics Inc., 2015)
    We study force-extension curves of a single semiflexible chain consisting of several rigid rods connected by flexible spacers. The atomic force microscopy and laser optical or magnetic tweezers apparatus stretching these ...
  • Stimuli-Responsive Brushes with Active Minority Components: Monte Carlo Study and Analytical Theory 
    Qi, Shuanhu; Klushin, Leonid I.; Skvortsov, Aleksander M.; Polotsky, Alexey A.; Schmid, Friederike (American Chemical Society, 2015)
    Using a combination of analytical theory, Monte Carlo simulations, and three-dimensional self-consistent field calculations, we study the equilibrium properties and the switching behavior of adsorption-active polymer chains ...
  • Hamiltonian formulation of mimetic gravity 
    Malaeb, O. (American Physical Society, 2015)
    The Hamiltonian formulation of mimetic gravity is formulated. Although there are two more equations than those of general relativity, these are proved to be the constraint equation and the conservation of the energy-momentum ...

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