Spontaneous spinning of a rattleback placed on vibrating platformThe spontaneous spinning of a rattleback placed on a vibrating platform is investigated. The rattleback is a toy with some curious properties. When placed on a surface with reasonable friction, the…Aditya Nanda, Puneet singla, M. Amin Karami·Apr 22, 2018SaveLearn
Almost-dispersionless pulse transport in long quasiuniform spring-mass chains: A new kind of Newton's cradleAlmost-dispersionless pulse transfer between the extremal masses of a uniform harmonic spring-mass chain of arbitrary length can be induced by suitably modifying two masses and their spring's…Ruggero Vaia·Apr 20, 2018SaveLearn
Flutter and divergence instability in the Pfluger column: experimental evidence of the Ziegler destabilization paradoxFlutter instability in elastic structures subject to follower load, the most important cases being the famous Beck's and Pfluger's columns (two elastic rods in a cantilever configuration,…Davide Bigoni, Oleg N. Kirillov, Diego Misseroni et al.·Apr 19, 2018SaveLearn
On discovery of extra four new dispersive SH-waves in magnetoelectroelastic platesThe study of this theoretical work definitely adds extra four new dispersive shear-horizontal waves propagating in the transversely isotropic piezoelectromagnetic (PEM) plates of class 6 mm. In this…Aleksey Anatolievich Zakharenko·Apr 17, 2018SaveLearn
On the End-Fire (Super) Directivity of an Array of Two Elementary DipolesThe concept of source currents of a radiating source can be employed to express directivity in some particular cases analytically. For an antenna array, this concept can be combined with concepts of…Pavel Hazdra, Jan Kracek, Tomas Lonsky·Apr 16, 2018SaveLearn
Dynamically encircling exceptional points: in situ control of encircling loops and the role of the starting pointThe most intriguing properties of non-Hermitian systems are found near the exceptional points (EPs) at which the Hamiltonian matrix becomes defective. Due to the complex topological structure of the…Xu-Lin Zhang, Shubo Wang, Bo Hou et al.·Apr 14, 2018SaveLearn
Revisiting the elastic solution for an inner-pressured functionally graded thick-walled tube within a uniform magnetic fieldIn this paper, the mechanical responses of a thick-walled functionally graded hollow cylinder subjected to uniform magnetic field and inner-pressurized loads are studied. Rather than directly…Libiao Xin, Yanbin Li, Dongmei Pan et al.·Apr 13, 2018SaveLearn
Trailing WavesWe report a special phenomenon: trailing waves. They are generated by the propagation of elastic waves in plates at large frequency-thickness (fd) product. Unlike lamb waves and bulk waves, trailing…Yongsheng Shao, Liang Zeng, Jing Lin·Apr 13, 2018SaveLearn
Electromagnetic sources beyond common multipolesThe complete dynamic multipole expansion of electromagnetic sources contains more types of multipole terms than it is conventionally perceived. The toroidal multipoles are one of the examples of such…Nikita A. Nemkov, Alexey A. Basharin, Vassily A. Fedotov·Apr 12, 2018SaveLearn
Leveraging Chaos for Wave-Based Analog Computation: Demonstration with Indoor Wireless Communication SignalsIn sight of fundamental thermal limits on further substantial performance improvements of modern digital computational processing units, wave-based analog computation is becoming an enticing…Philipp del Hougne, Geoffroy Lerosey·Apr 11, 2018SaveLearn
Realization of a three-dimensional photonic topological insulatorConfining photons in a finite volume is in high demand in modern photonic devices. This motivated decades ago the invention of photonic crystals, featured with a photonic bandgap forbidding light…Yihao Yang, Zhen Gao, Haoran Xue et al.·Apr 10, 2018SaveLearn
Boiling crisis dynamics: low gravity experiments at high pressureTo understand the boiling crisis mechanism, one can take advantage of the slowing down of boiling at high pressures, in the close vicinity of the liquid-vapor critical point of the given fluid. To…Vadim Nikolayev, Yves Garrabos, Carole Lecoutre et al.·Apr 9, 2018SaveLearn
Subwavelength Interferometric Control of Absorption in Three-port Acoustic NetworkUtilizing the effect of losses, we show that symmetric 3-port devices exhibit coherent perfect absorption of waves and we provide the corresponding conditions on the reflection and transmission…O. Richoux, V. Achilleos, G. Theocharis et al.·Apr 5, 2018SaveLearn
Optical radiation force (per-length) on an electrically conducting elliptical cylinder having a smooth or ribbed surfaceThe aim of this work is to develop a formal semi-analytical model using the modal expansion method in cylindrical coordinates to calculate the optical/electromagnetic (EM) radiation force-per-length…F. G. Mitri·Mar 26, 2018SaveLearn
Nonlinear effect of forced harmonic oscillator subject to sliding friction and simulation by a simple nonlinear circuitWe study the nonlinear behaviors of mass-spring systems damped by dry friction using simulation by a nonlinear LC circuit damped by anti-parallel diodes. We show that the differential equation for…Qian Xu, Wenkai Fan, Sihui Wang et al.·Mar 25, 2018SaveLearn
Radiation of the electromagnetic field beyond the dipole approximationThe expression for the intensity of the electromagnetic field radiation is derived in the approximation next to the dipole one. The presented approach is based on fundamental equations from the…Andrij Rovenchak, Yuri Krynytskyi·Mar 21, 2018SaveLearn
On Huygens' Principle, Extinction Theorem, and Equivalence Principle (Metal-Material Combined System in Inhomogeneous Anisotropic Environment)In this paper, we generalize Huygens' principle (HP), extinction theorem (ET), and Franz-Harrington formulation (FHF). In our previous works, the traditional HP, ET, and FHF in homogeneous…Renzun Lian·Mar 21, 2018SaveLearn
Accurate fast computation of steady two-dimensional surface gravity waves in arbitrary depthThis paper describes an efficient algorithm for computing steady two-dimensional surface gravity wave in irrotational motion. The algorithm complexity is O(N log N), N being the number of Fourier…Didier Clamond, Denys Dutykh·Mar 20, 2018SaveLearn
Fragmentation model of a rapidly expanding ring with arbitrary cross-sectionIn the paper (Goloveshkin and Myagkov 2014) we proposed a two-dimensional energy-based model of fragmentation of rapidly expanding cylinder under plane strain conditions. The model allowed one to…V. A. Goloveshkin, N. N. Myagkov·Mar 10, 2018SaveLearn
Relativistic quantum dynamics of twisted electron beams in arbitrary electric and magnetic fieldsGeneral relativistic quantum dynamics of twisted (vortex) Dirac particles is constructed. The Hamiltonian and equations of motion in the Foldy-Wouthuysen representation are derived for a twisted…Alexander J. Silenko, Pengming Zhang, Liping Zou·Mar 8, 2018SaveLearn
Selectively exciting quasi-normal modes in open disordered systemsTransmission through disordered samples can be controlled by illuminating a sample with waveforms corresponding to the eigenchannels of the transmission matrix. But can the TM be exploited to…Matthieu Davy, Azriel Z. Genack·Mar 5, 2018SaveLearn
The hidden role of coupled wave network topology on the dynamics of nonlinear latticesIn most systems, its division into interacting constituent elements gives rise to a natural network structure. Analyzing the dynamics of these elements and the topology of these natural graphs gave…Sophia R. Sklan, Baowen Li·Mar 5, 2018SaveLearn
Dynamics of a system of coupled inverted pendula with vertical forcingDynamical stabilization of an inverted pendulum through vertical movement of the pivot is a well-known counterintuitive phenomenon in classical mechanics. This system is also known as Kapitza…Nivedita Bhadra·Mar 5, 2018SaveLearn
Newton's Second Law and the Concept of Relativistic MassIn this work we discuss different interpretations of mass in the relativistic dynamics. A new way to introduce mass is proposed. Our way is based on the relativistic equation of motion expressed in…V. A. Pletyukhov·Mar 4, 2018SaveLearn
On The Correct Thermo-dynamic Potential for Electro-static Dielectric EnergyVarious types of equilibrium processes involve electric fields. In some cases, the electrical energy appears to be negative (e.g. if the voltage is fixed by an external source). This paper explains…Shawn W. Walker·Mar 3, 2018SaveLearn