An apparent paradox concerning the field of an ideal dipoleThe electric or magnetic field of an ideal dipole is known to have a Dirac delta function at the origin. The usual textbook derivation of this delta function is rather ad hoc and cannot be used to…Edward Parker·Apr 5, 2016SaveLearn
Generation of topologically diverse acoustic vortex beams using a compact metamaterial apertureVortex waves, which carry orbital angular momentum, have found use in a range of fields from quantum communications to particle manipulation. Due to their widespread influence, significant attention…Christina J. Naify, Charles A Rohde, Theodore P. Martin et al.·Apr 5, 2016SaveLearn
Plasmons in QED VacuumThe problem of longitudinal oscillations of an electric field and a charge polarization density in QED vacuum is considered. Within the framework of semiclassical analysis, we calculate time-periodic…E. Yu. Petrov, A. V. Kudrin·Apr 4, 2016SaveLearn
A high transmission broadband gradient index lens using elastic shell acoustic metamaterial elementsThe use of cylindrical elastic shells as elements in acoustic metamaterial devices is demonstrated through simulations and underwater measurements of a cylindrical-to-plane wave lens. Transformation…Alexey S. Titovich, Michael R. Haberman, Andrew N. Norris·Apr 1, 2016SaveLearn
Multi-symplectic structure of fully-nonlinear weakly-dispersive internal gravity wavesIn this short communication we present the multi-symplectic structure for the two-layer Serre-Green-Naghdi equations describing the evolution of large amplitude internal gravity long waves. We…Didier Clamond, Denys Dutykh·Apr 1, 2016SaveLearn
Inductive heating of conductive nanoparticlesThis paper presents an analysis and some interesting observations regarding the classical electromagnetic background to the heating of gold nanoparticles (GNPs) in the radio frequency spectrum. Here,…Sven Nordebo, Daniel Sjöberg, Richard Bayford·Mar 31, 2016SaveLearn
Generally Covariant Maxwell Theory for Media with a Local Response: Progress since 2000In the recent decades, it became more and more popular for engineers, physicists, and mathematicians alike to put the Maxwell equations into a generally covariant form. This is particularly useful…Friedrich W. Hehl, Yakov Itin, Yuri N. Obukhov·Mar 27, 2016SaveLearn
On the speed of sound and heat capacity of liquid neon in the subcritical regionThe data (the speed of sound, the isobaric and isochoric heat capacities as well as the heat capacity ratio) for liquid neon presented in NIST Chemistry WebBook are analyzed. It has been shown,…A. L. Goncharov, V. V. Melent'ev, E. B. Postnikov·Mar 25, 2016SaveLearn
Algebraic method for constructing singular steady solitary waves: A case studyThis article describes the use of algebraic methods in a phase plane analysis of ordinary differential equations. The method is illustrated by the study of capillary-gravity steady surface waves…Didier Clamond, Denys Dutykh, André Galligo·Mar 24, 2016SaveLearn
Stationary Large Amplitude Dynamics of the Finite Chain of Harmonically Coupled PendulumsWe present an analytical description of the large-amplitude stationary oscillations of the finite discrete system of harmonically-coupled pendulums without any restrictions to their amplitudes…Valeri V. Smirnov, Leonid I. Manevitch·Mar 23, 2016SaveLearn
Exact results for one dimensional fluids through functional integrationWe review some of the exactly solvable one dimensional continuum fluid models of equilibrium classical statistical mechanics under the unified setting of functional integration in one dimension. We…Riccardo Fantoni·Mar 21, 2016SaveLearn
A Comparison between Abraham and Minkowski MomentaIn this paper I compare the Abraham and the Minkowski forms for the momentum pertaining to an electromagnetic wave inside a dielectric or a magnetic material. The discussion is based on a careful…Massimo Testa·Mar 18, 2016SaveLearn
The wave equation for stiff strings and piano tuningWe study the wave equation for a string with stiffness. We solve the equation and provide a uniqueness theorem with suitable boundary conditions. For a pinned string we compute the spectrum, which is…Xavier Gràcia, Tomás Sanz-Perela·Mar 16, 2016SaveLearn
Flexural Mie Resonances: Localized Surface Platonic ModesSurface plasmons polaritons were thought to exist only in metals near their plasma frequencies. The concept of spoof plasmons extended the realms of plasmonics to domains such as radio frequencies,…M. Farhat, S. Guenneau, P. Y. Chen et al.·Mar 14, 2016SaveLearn
Adiabatic hydrodynamic modes in dielectric environment in a random electric fieldDielectric is considered in the electric field that has equal to zero the first moment and different from zero the second moment of strength in an equilibrium. The equations of ideal hydrodynamics…Anton Stupka·Mar 11, 2016SaveLearn
Fundamental PhysicsThis book includes my lectures, together with their problem sets and solutions, on 1) classical mechanics (one semester), 2) thermodynamics and statistical mechanics (one semester), and 3) quantum…Badis Ydri·Mar 11, 2016SaveLearn
Radiation forces and torque on a rigid elliptical cylinder in acoustical plane progressive and (quasi)standing waves with arbitrary incidenceAnalytical expressions for the axial and transverse acoustic radiation forces as well as the radiation torque per length are derived for a rigid elliptical cylinder placed arbitrarily in the field of…F. G. Mitri·Mar 10, 2016SaveLearn
Propagation of acoustic waves in two waveguides coupled by perforations. II. Application to periodic lattices of finite lengthThe paper deals with the generic problem of two waveguides coupled by perforations, which can be perforated tube mufflers without or with partitions, possibly with absorbing materials. Other examples…Marc Pachebat, Jean Kergomard·Mar 10, 2016SaveLearn
Optimal Load and Stiffness for Displacement-Constrained Vibration Energy HarvestersThe power electronic interface to a vibration energy harvester not only provides ac-dc conversion, but can also set the electrical damping to maximize output power under displacement-constrained…Einar Halvorsen·Mar 7, 2016SaveLearn
Deterministic and stochastic aspects of the stability in an inverted pendulum under a generalized parametric excitationIn this paper, we explore the stability of an inverted pendulum under a generalized parametric excitation described by a superposition of N cosines with different amplitudes and frequencies, based…Roberto da Silva, Sandra D. Prado, Debora E. Peretti·Mar 3, 2016SaveLearn
Gravitation, holographic principle, and extra dimensionsWithin the context of Newton's theory of gravitation, restricted to point-like test particles and central bodies, stable circular orbits in ordinary space are related to stable circular paths on…R. Caimmi·Mar 2, 2016SaveLearn
Correspondence between phasor transforms and frequency response function in RLC circuitsThe analysis of RLC circuits is usually made by considering phasor transforms of sinusoidal signals (characterized by constant amplitude, period and phase) that allow the calculation of the AC steady…Hassan Mohamed Abdelalim Abdalla·Feb 26, 2016SaveLearn
A proposal to classify the radian as a base unit in the SIWe propose that the SI be modified so that the radian is a base unit. Some of the details and consequences of such a modification are examined.Peter J. Mohr, William D. Phillips·Feb 18, 2016SaveLearn
Telegraph equations for the case of a waveguide with moving boundaryTelegraph equation describing the compression of electromagnetic waves in a waveguide (resonator) with moving boundary are derived. It is shown that the character of oscillations of the compressed…V. G. Baryshevsky·Feb 17, 2016SaveLearn
Symmetry breaking in non conservative systemsWe apply Noether's theorem to show how the invariances of conservative systems are broken for nonconservative systems, in the variational formulation of Galley. This formulation considers a…N. E. Martínez-Pérez, C. Ramírez·Feb 17, 2016SaveLearn