Finite Element Modeling of Metasurfaces with Generalized Sheet Transition ConditionsA modeling of metasurfaces in the finite element method (FEM) based on generalized sheet transition conditions (GSTCs) is presented. The discontinuities in electromagnetic fields across a metasurface…Srikumar Sandeep, Jian Ming Jin, Christophe Caloz·Nov 17, 2016SaveLearn
On topology optimization of acoustic metamaterial lattices for locally resonant bandgaps of flexural wavesOptimized topology of bi-material acoustic metamaterial lattice plates is studied for maximized locally resonant bandgap of flexural guided waves. Optimized layout of the two relatively stiff and…Saeid Hedayatrasa, Kazem Abhary, Mohammad Uddin·Nov 16, 2016SaveLearn
Perfect Transmission through Disordered MediaThe transmission of a wave through a randomly chosen `pile of plates' typically decreases exponentially with the number of plates, a phenomenon closely related to Anderson localisation. In…Chris King, Simon Horsley, Tom Philbin·Nov 15, 2016SaveLearn
Carnot's theorem and Szilárd engineIn this work, the relationship between Carnot engine and Szilárd engine was discussed. By defining the available information about the temperature difference between two heat reservoirs, the Carnot…Liangsuo Shu, Xiaokang Liu, Suyi Huang et al.·Nov 15, 2016SaveLearn
A Symbolic Method for the Analysis of a Nonlinear Two-Mass-Skate ModelMultibody systems usually give rise to complex nonlinear dynamics, and the bicycle is not an exception. Even a simple model as the Two-Mass-Skate presents a long expression of the kinetic energy,…Francesco Ricci, Giovanni Frosali·Nov 15, 2016SaveLearn
The Physics of Motorcycles and Fast Bicycles : Lean, Stability and Counter-steeringIn this work I will obtain the system of nonlinear equations that correctly describes the motion of motorcycles and fast bicycles (above 30 km/hr) for the first time in literature. I will use it to…B Shayak·Nov 11, 2016SaveLearn
Pick-up and impact of flexible bodiesPicking up, laying down, colliding, rolling, and peeling are partial-contact interactions involving moving discontinuities. We examine the balances of momentum and energy across a moving…H. Singh, J. A. Hanna·Nov 10, 2016SaveLearn
Experimental Demonstration of Degenerate Band Edge in Metallic Periodically-Loaded Circular WaveguideWe experimentally demonstrate for the first time the degenerate band edge (DBE) condition, namely the degeneracy of four Bloch modes, in loaded circular metallic waveguides. The four modes forming…Mohamed A. K. Othman, Xuyuan Pan, Georgios Atmatzakis et al.·Nov 10, 2016SaveLearn
Non-Hermitian Acoustic Metamaterials: the role of Exceptional Points in sound absorptionEffective non-Hermitian Hamiltonians are obtained to describe coherent perfect absorbing and lasing boundary conditions. PT -symmetry of the Hamiltonians enables to design configurations which…V. Achilleos, G. Theocharis, O. Richoux et al.·Nov 10, 2016SaveLearn
Comments on the paper "Terminal retrograde turn of rolling rings"Mir Abbas Jalali et al. [Phys. Rev. E 92, 032913(2015)] explained the retrograde turn of rings by aerodynamic phenomena due to the presence of a central hole in the ring as opposed to a disk. The…Alexey V. Borisov, Alexander A. Kilin, Yury L. Karavaev·Nov 9, 2016SaveLearn
Ultrathin Complementary Metasurface for Orbital Angular Momentum Generation at Microwave FrequenciesElectromagnetic (EM) waves with helical wavefront carry orbital angular momentum (OAM), which is associated with the azimuthal phase of the complex electric field. OAM is a new degree of freedom in…Menglin L. N. Chen, Li Jun Jiang, Wei E. I. Sha·Nov 9, 2016SaveLearn
Equations of motion for charged particles in strong laser fieldsStarting from the Dirac equation coupled to a classical radiation field a set of equations of motion for charged quasi-particles in the classical limit for slowly varying radiation and matter fields…Hartmut Ruhl, Christian Herzing·Nov 8, 2016SaveLearn
On weakly singular and fully nonlinear travelling shallow capillary-gravity waves in the critical regimeIn this Letter we consider long capillary-gravity waves described by a fully nonlinear weakly dispersive model. First, using the phase space analysis methods we describe all possible types of…Dimitrios Mitsotakis, Denys Dutykh, Aydar Assylbekuly et al.·Nov 7, 2016SaveLearn
Dispersion peculiarities of hybrid modes in a circular waveguide filled by a composite gyroelectromagnetic mediumExtraordinary dispersion features of a circular waveguide filled by a longitudinally magnetized composite gyroelectromagnetic medium are studied. The composite medium is considered to be constructed…Vladimir R. Tuz, Illia V. Fedorin, Volodymyr I. Fesenko et al.·Nov 6, 2016SaveLearn
Wave Deflection and Shifted Refocusing in a Medium Modulated by a Superluminal Rectangular PulseWe explore the problem of scattering in a medium modulated by a superluminal rectangular pulse, with the pulse modulation realized through transverse excitations. We solve this problem in the moving…Zoé-Lise Deck-Léger, Alireza Akbarzadeh, Christophe Caloz·Nov 2, 2016SaveLearn
Broadband solid cloak for underwater acousticsApplication of transformation theory to underwater acoustics has been a challenging task because highly anisotropic density is unachievable in water. A possible strategy is to exploit anisotropic…Yi Chen, Mingye Zheng, Xiaoning Liu et al.·Nov 2, 2016SaveLearn
The low-frequency dielectric response of charged oblate spheroidal particles immersed in an electrolyteWe study the low-frequency polarization response of a surface-charged oblate spheroidal particle immersed in an electrolyte solution. Because the charged spheroid attracts counter-ions which form the…Chang-Yu Hou, Denise E. Freed, Pabitra N. Sen·Nov 1, 2016SaveLearn
Exact transparent boundary conditions for the parabolic wave equations with linear and quadratic potentialsIn this paper exact 1D transparent boundary conditions (TBC) for the 2D parabolic wave equation with a linear or a quadratic dependence of the dielectric permittivity on the transversal coordinate…R. M. Feshchenko, A. V. Popov·Oct 25, 2016SaveLearn
The Henon-Heiles system defined on canonically deformed space-timeIn this article we provide canonically deformed classical Henon-Heiles system. Further we demonstrate that for proper value of deformation parameter θ there appears chaos in the model.Marcin Daszkiewicz·Oct 25, 2016SaveLearn
Spheroidal harmonic expansions for the solution of Laplace's equation for a point source near a sphereWe propose a powerful approach to solve Laplace's equation for point sources near a spherical object. The central new idea is to use prolate spheroidal solid harmonics, which are separable…Matt Majic, Baptiste Auguie, Eric C. Le Ru·Oct 24, 2016SaveLearn
Many body heat radiation and heat transfer in the presence of a non-absorbing background mediumHeat radiation and near-field radiative heat transfer can be strongly manipulated by adjusting geometrical shapes, optical properties, or the relative positions of the objects involved. Typically…Boris Müller, Roberta Incardone, Mauro Antezza et al.·Oct 24, 2016SaveLearn
Numerical and analytical results for the two disks capacitor problemIn this paper we study the two disks capacitor, for equal and different radii. The new results obtained allow a complete characterization of capacity coefficients and forces at short distances. An…Giampiero Paffuti·Oct 22, 2016SaveLearn
Maxwell's Equations in Media and Their SolutionA modified Faraday's law of electromagnetic induction in media is put forward.Tao Zhang·Oct 21, 2016SaveLearn
Derivation of the Special Theory of Relativity from Invariance of ActionIt is known that action is invariant in special relativity. The goal of this note is to show that the reverse statement is also correct, that special relativity follows from the postulate that action…V. Hushwater·Oct 19, 2016SaveLearn
Collision of two HopfionsWe study the collision of two hopfions or Hopf-Rañada electromagnetic fields. The superposition of two of such fields, travelling in opposite directions, yields different topology for the electric…M. Arrayás, J. L. Trueba·Oct 19, 2016SaveLearn