Electromagnetic Waves Propagation along Tangentially Magnetised Bihyrotropic Layer (with Example of Spin Waves in Ferrite Plate)Analytically, without magnetostatic approximation, the problem of electromagnetic wave propagation along arbitrary direction in a tangentially magnetized bihyrotropic layer has been solved. It is…Edwin H. Lock, Sergey V. Gerus·Mar 14, 2023SaveLearn
Using disturbance function for vibration analysis of a beam with an open edge crackIn this article, the model presented by Shen and Pierre to investigate the transverse vibration behavior of a simply supported beam has been revised. This is done by applying more realistic…Mousa Rezaee, Saeed Lotfan, Vahid A. Maleki·Mar 12, 2023SaveLearn
Magnetic Charge and Dyality InvarianceThis paper is a critical study of non-standard Maxwellian electrodynamics. It explores two important topics: the inclusion of both magnetic and electric charge to produce what it calls Extended…Oliver Davis Johns·Mar 9, 2023SaveLearn
Bandgap widening and resonating mass reduction through wave lockingElastic metamaterials made from locally resonant arrays have been developed as effective ways to create band gaps for elastic or acoustic travelling waves. They work by implementing stationary states…Luca Iorio, Jacopo M. De Ponti, Alberto Corigliano et al.·Mar 8, 2023SaveLearn
Bianisotropic Susceptibility Theory of Artificial Magnetic ConductorsOver the past 30 years, Artificial Magnetic Conductors (AMCs) have generated immense interest in the microwave community. However, their description has been restricted to crude RLC design or…Oscar Céspedes Vicente, Christophe Caloz·Mar 5, 2023SaveLearn
On swimmer's strategies in various currentsFinding an optimum strategy to reach a certain destination by swimming in a background flow is an interesting question which leads to non-trivial results and swimming paths. Here we consider…Amir Aghamohammadi, Cina Aghamohammadi, Saman Moghimi-Araghi·Mar 5, 2023SaveLearn
General solution to the Euler-Poisson equations of a free Lagrange top directly for the rotation matrixThe Euler-Poisson equations para determinar the rotation matrix of a rigid body can be solved without using of particular parameterization like the Euler angles. For the free Lagrange top, we obtain…Alexei A. Deriglazov·Mar 4, 2023SaveLearn
A study of the radiation-reaction on a point charge that moves along a constant applied electric field in an electromagnetic Bopp-Landé-Thomas-Podolsky vacuumThe relativistic problem of motion of a classical electrical point charge that has been placed between the plates of a charged capacitor and then released from rest is well-posed in…Holly K. Carley, Michael K. -H. Kiessling·Mar 3, 2023SaveLearn
Electric interface condition for sliding and viscous contactsFirst principles of electromagnetism impose that the tangential electric field must be continuous at the interface between two media. The definition of the electric field depends on the frame of…Jérémy Rekier, Santiago A. Triana, Antony Trinh et al.·Mar 1, 2023SaveLearn
The swinging counterweight trebuchet. On scaling and optimizationThe swinging counterweight trebuchet was at its full blossom in the Late Middle Ages an artillery piece of great importance that could destroy the defenses of castles under siege by bombardment with…Erik Horsdal·Mar 1, 2023SaveLearn
Re-recognition of the ideal gas and real gasIdeal gas is the most fundamental and simple system in thermodynamics, which has extensive applications in energy research and engineering. By reviewing the physical concept of ideal gas, it is found…Yang Li, Jing Wu, Zeng-Yuan Guo·Mar 1, 2023SaveLearn
Optical galleries of dielectric rings: antipode to whispering gallery modesA general picture of photonic eigenmodes of dielectric rings with a rectangular cross section is presented, which is fundamentally different from those of whispering gallery modes of the disc. The…A. P. Chetverikova, M. S. Sidorenko, K. B. Samusev et al.·Feb 28, 2023SaveLearn
Superresolution with the zero-phase imaging conditionWave-based imaging techniques use wavefield data from receivers on the boundary of a domain to produce an image of the underlying structure in the domain of interest. These images are defined by the…Sarah Greer, Laurent Demanet·Feb 28, 2023SaveLearn
Bifurcation and fission in the liquid drop model: a phase-field approachThe liquid drop model, originally used to model atomic nuclei, describes the competition between surface tension and Coulomb force. To help understand how a ball loses stability and becomes prone to…Zirui Xu, Qiang Du·Feb 28, 2023SaveLearn
Analysis and experimental study on the Jumping ChainA freely falling chain from a cup at certain height can jump. The process can be divided into two parts: a stable suspension and an accelerating procedure. Variational principle and force analysis…Wenyu Wang, Wu-Long Xu, Yang Xu et al.·Feb 28, 2023SaveLearn
Geometry induced domain-walls of dipole lattices on curved structuresWe investigate the ground state properties of rectangular dipole lattices on curved surfaces. The curved geometry can `distort' the lattice and lead to dipole equilibrium configurations that…Ansgar Siemens, Peter Schmelcher·Feb 27, 2023SaveLearn
Comment on "Doppler signature in electrodynamic retarded potentials"We analyze in great detail the mathematical derivations from the article "Doppler signature in electrodynamic retarded potentials" by Giovanni Perosa, Simone Di Mitri, William A. Barletta,…Calin Galeriu·Feb 26, 2023SaveLearn
Assembling Cartesian Harmonic TensorsCartesian harmonic tensors are completely symmetric traceless tensors in three dimensional space constructed from the direct product of unit vectors. They are useful in generating expressions for the…William C. Parke·Feb 25, 2023SaveLearn
Stiffness matrix method for modelling wave propagation in arbitrary multilayersNatural and engineered media usually involve combinations of solid, fluid and porous layers, and accurate and stable modelling of wave propagation in such complex multilayered media is fundamental to…Ming Huang, Frederic Cegla, Bo Lan·Feb 24, 2023SaveLearn
Proca Fields in Step-index Optical FibresThe topic of a photon mass has received justified attention over the years with strong theoretical reasoning for its existence. We derive a full description of mode solutions in step-index optical…Florian Steininger·Feb 24, 2023SaveLearn
Electromagnetic induction: how the "flux rule'' has superseded Maxwell's general lawAs documented by textbooks, the teaching of electromagnetic induction in university and high school courses is primarily based on what Feynman labeled as the ``flux rule'', downgrading it…Giuseppe Giuliani·Feb 20, 2023SaveLearn
Frustrated total internal reflection of ultrasonic waves at a fluid-coupled elastic plateA complete treatment regarding frustrated total internal reflection (FTIR) of ultrasonic waves is presented and validated against experiments, providing a theoretical explanation for the physics…André Lello de Almeida, Ming Huang, Peiyao Huang et al.·Feb 17, 2023SaveLearn
Properties of the eigenmodes and quantum-chaotic scattering in a superconducting microwave Dirac billiard with threefold rotational symmetryWe report on experimental studies that were performed with a microwave Dirac billiard (DB), that is, a flat resonator containing metallic cylinders arranged on a triangular grid, whose shape has a…Weihua Zhang, Xiaodong Zhang, Jiongning Che et al.·Feb 16, 2023SaveLearn
Geometric Phases of Nonlinear Elastic N-Rotors via Cartan's Moving FramesWe study the geometric phases of nonlinear elastic N-rotors with continuous rotational symmetry. In the Hamiltonian framework, the geometric structure of the phase space is a principal fiber…Francesco Fedele, Arash Yavari·Feb 15, 2023SaveLearn
A Validated Finite Element Model for Room Acoustic Treatments with Edge AbsorbersPorous acoustic absorbers have excellent properties in the low-frequency range when positioned in room edges, therefore they are a common method for reducing low-frequency reverberation. However,…Florian Kraxberger, Eric Kurz, Werner Weselak et al.·Feb 15, 2023SaveLearn