Special Relativity (Lorentz Transformation) Follows from the Definition of Inertial FramesBesides the defining space-time symmetries (homogeneity and isotropy) of inertial frames, the derivation of Lorentz transformation requires postulating the principle of relativity and the existence…Somajit Dey·May 1, 2017SaveLearn
Time Isotropy, Lorentz Transformation and Inertial FramesHomogeneity of space and time, spatial isotropy, principle of relativity and the existence of a finite speed limit (or its variants) are commonly believed to be the only axioms required for…Somajit Dey·Apr 28, 2017SaveLearn
Field patterns without blow upField patterns, first proposed by the authors in [Milton, Mattei. Proc R Soc A. 2017], are orderly patterns of characteristic lines that arise in specific space-time microstructures whose geometry in…Ornella Mattei, Graeme W. Milton·Apr 27, 2017SaveLearn
The deceiving simplicity of problems with infinite charge distributions in electrostaticsWe show that for an infinite, uniformly charged plate no well defined electric field exists in the framework of electrostatics, because it cannot be defined as a mathematically consistent limit of a…Marcin Kościelecki, Piotr Nieżurawski·Apr 27, 2017SaveLearn
Towards Printable Natural Dielectric Cloaks via Inverse Scattering TechniquesThe synthesis of non-magnetic 2D dielectric cloaks as proper solutions of an inverse scattering problem is addressed in this paper. Adopting the relevant integral formulation governing the scattering…Loreto Di Donato, Tommaso Isernia, Giuseppe Labate et al.·Apr 26, 2017SaveLearn
General form of the full electromagnetic Green function in materials physicsIn this article, we present the general form of the full electromagnetic Green function which is suitable for the application in bulk materials physics. In particular, we show how the seven…G. A. H. Schober, R. Starke·Apr 25, 2017SaveLearn
Maximization of the degree of polarization to estimate the polarization orientation angle from PolSAR data: An insight into the real and complex rotation of the coherency matrixThe angle of rotation of any target about the radar line of sight (LOS) is known as the polarization orientation angle. The orientation angle is found to be non-zero for undulating terrains and…Avik Bhattacharya·Apr 24, 2017SaveLearn
Escape of harmonically forced classical particle from an infinite-range potential wellThe paper considers a process of escape of classical particle from a one-dimensional potential well by virtue of an external harmonic forcing. We address a particular model of the infinite-range…O. V. Gendelman·Apr 23, 2017SaveLearn
Rattleback dynamics and its reversal time of rotationA rattleback is a rigid, semi-elliptic toy which exhibits unintuitive behavior; when it is spun in one direction, it soon begins pitching and stops spinning, then it starts to spin in the opposite…Yoichiro Kondo, Hiizu Nakanishi·Apr 21, 2017SaveLearn
Coda reconstruction from cross-correlation of a diffuse field on thin elastic platesThis study contributes to the evaluation of the robustness and accuracy of Green's function reconstruction from cross-correlation of strongly dispersed reverberated signals, with disentangling of…Aida Hejazi Nooghabi, Lapo Boschi, Philippe Roux et al.·Apr 18, 2017SaveLearn
Fundamental bounds on MIMO antennasAntenna current optimization is often used to analyze the optimal performance of antennas. Antenna performance can be quantified in e.g., minimum Q-factor and efficiency. The performance of MIMO…Casimir Ehrenborg, Mats Gustafsson·Apr 13, 2017SaveLearn
A new form of the energy-momentum tensor of the interaction of an electromagnetic field with a non-conducting medium. The wave equations. The electromagnetic forcesThe article describes a new approach to obtaining the energy-momentum tensor of electromagnetic field in medium without the use of Maxwell's equations and Poynting theorem. The energy-momentum…Yurii A. Spirichev·Apr 12, 2017SaveLearn
X-ray Scattering from Random Rough SurfacesThis paper presents a new method to model X-ray scattering on random rough surfaces. It combines the approaches we presented in two previous papers -- zhao03 \& zhao15. An actual…Ping Zhao·Apr 12, 2017SaveLearn
Equation for the Abraham force in non-conducting medium and methods for its measurementThis article is devoted to obtaining an equation for the Abraham force in a continuous non-conducting medium and methods of its measurement. The equation for the Abraham force is obtained from the…Yurii A. Spirichev·Apr 11, 2017SaveLearn
Zeno chattering of rigid bodies with multiple point contactsIdeally rigid objects establish sustained contact with one another via complete chatter (a.k.a. Zeno behavior), i.e. an infinite sequence of collisions accumulating in finite time. Alternatively,…Tamás Baranyai, Péter L. Várkonyi·Apr 10, 2017SaveLearn
Nonlinear oscillations of a point charge in the electric field of charged ring using a particular He's frequency-amplitude formulationIn this paper, He's frequency-amplitude formulation with some choice of location points that improve accuracy is applied to determine the periodic solution for the nonlinear oscillations of a…O. González-Gaxiola, G. Chacón Acosta, J. A. Santiago García·Apr 9, 2017SaveLearn
Exact Calculation of the Capacitance and the Electrostatic Potential Energy for a Nonlinear Parallel-Plate Capacitor in a Two-Parameter Modification of Born-Infeld ElectrodynamicsThe nonlinear capacitors are important devices in modern technologies and applied physics. The aim of this paper is to calculate exactly the capacitance and the electrostatic potential energy of a…Seyed Kamran Moayedi, Farkhondeh Fathi·Apr 9, 2017SaveLearn
Closed-form Harmonic Contrast Control with Surface Impedance Coatings for Conductive ObjectsThe problem of suppressing the scattering from conductive objects is addressed in terms of harmonic contrast reduction. A unique compact closed-form solution for a surface impedance Zs(m,kr) is…Giuseppe Labate, Symon Podilchak, Ladislau Matekovits·Apr 6, 2017SaveLearn
Integral representation for three-dimensional steady state size-dependent thermoelasticityBoundary element methods provide powerful techniques for the analysis of problems involving coupled multi-physical response, especially in the linear case for which boundary-only formulations are…Ali R. Hadjesfandiari, Arezoo Hajesfandiari, Gary F. Dargush·Apr 6, 2017SaveLearn
Alternative thermodynamic cycle for the Stirling machineWe develop an alternative thermodynamic cycle for the Stirling machine, where the polytropic process plays a central role. Analytical expressions for pressure and temperatures of the working gas are…Alejandro Romanelli·Apr 5, 2017SaveLearn
Buckling of an elastic ridge: competition between wrinkles and creasesWe investigate the elastic buckling of a triangular prism made of a soft elastomer. A face of the prism is bonded to a stiff slab that imposes an average axial compression. We observe two possible…Claire Lestringant, Corrado Maurini, Arnaud Lazarus et al.·Apr 5, 2017SaveLearn
Static non-reciprocity in mechanical metamaterialsReciprocity is a fundamental principle governing various physical systems, which ensures that the transfer function between any two points in space is identical, regardless of geometrical or material…Corentin Coulais, Dimitrios Sounas, Andrea Alù·Apr 4, 2017SaveLearn
Criterion for Stability of a Special Relativistically Covariant Dynamical SystemWe study classically the problem of two relativistic particles with an invariant Duffing-like potential which reduces to the usual Duffing form in the nonrelativistic limit. We use a special…L. P Horwitz, D. Zucker·Apr 3, 2017SaveLearn
Scaling, Scattering, and Blackbody Radiation in Classical PhysicsHere we discuss blackbody radiation within the context of classical theory. We note that nonrelativistic classical mechanics and relativistic classical electrodynamics have contrasting scaling…Timothy H. Boyer·Apr 1, 2017SaveLearn
Rotational inertia interface in a dynamic lattice of flexural beamsThe paper presents a novel analysis of a transmission problem for a network of flexural beams incorporating conventional Euler-Bernoulli beams as well as Rayleigh beams with the enhanced rotational…A. Piccolroaz, A. B. Movchan, L. Cabras·Apr 1, 2017SaveLearn