Tuning Plasma Frequency of Nested Wire MediaWe study nested wire media possessing C6 and C4 rotational symmetries whose plasma frequencies can be controlled through breathing deformation. Numerical simulations reveal tunability exceeding…Denis Sakhno, Pavel A. Belov·Jul 11, 2026SaveLearn
Observation of Phase Space Dynamics of Inverted Harmonic OscillatorWe have experimentally realized a parabolic potential barrier for surface gravity water waves. The analogy between the resulting wave equation and the Schrodinger equation for the inverted harmonic…Georgi Gary Rozenman, Maxim A. Efremov, Wolfgang P. Schleich et al.·Jul 10, 2026SaveLearn
Mean field homogenization schemes for composites with prolate and oblate spheroids: use of the orientation tensors and computation of the strain second-momentsIn this document we provide the homogenized stiffnesses from Mori-Tanaka scheme and Ponte-Castañeda and Willis scheme applied to composites with spheroidal inclusions. The inclusions can be prolate…Antoine Martin·Jul 10, 2026SaveLearn
Chiral switching of elastic spin via dynamic encirclement of exceptional pointsDynamically encircling exceptional points (EPs) enables chiral state conversion in classical wave systems. However, whether this mechanism can be extended to chiral spin conversion has remained…Chenwen Yang, Shubo Wang·Jul 10, 2026SaveLearn
Generalization of Rayleigh's high-frequency theory for the 2D Helmholtz equation in a half-space subject to a radiation condition at infinity and a Dirichlet condition on a 1D periodically-uneven boundaryThe 2D Helmholtz equation, radiation condition and Dirichlet boundary condition, are the translation, in mathematical terms, of (at least) three physical 2D problems for the prediction of the total…Armand Wirgin·Jul 9, 2026SaveLearn
An advanced undergraduate derivation of acceleration thermalityThe thermal radioactivity of beta-decay photons, described by a 1D Planck distribution, can be modeled as classical radiation emitted by an accelerated electron. Here, we present the basics of the…Michael R. R. Good·Jul 9, 2026SaveLearn
Unidirectional Transverse Scattering in Acoustic DimersWe study unidirectional transverse scattering in a two-dimensional acoustic dimer composed of two circular subwavelength scatterers. Using a coupled multipole model, we show that interparticle…Mikhail Smagin, Iuliia Timankova, Pavel Pankin et al.·Jul 9, 2026SaveLearn
Momentum-Transfer Framework Unifies High-Velocity Impact and Failure Across Materials, Geometries, and ScalesMaterials that dissipate energy efficiently under high-speed impacts, from micrometeoroid strikes on spacecraft to ballistic penetration in protective systems, are essential for maintaining…Yasara Dharmadasa, Nicholas Jaegersberg, Ara Kim et al.·Jul 8, 2026SaveLearn
Memory-like effects and kinematics of trajectories in Cyclotron motionWe investigate the collective dynamics of a bundle of charged particles undergoing cyclotron motion in a uniform magnetic field when subjected to a short-duration electric pulse. Using the geometric…Manthan Kashyap Datta, Mantra Mehta, Sayan Das·Jul 6, 2026SaveLearn
Phase-space structure and nonlinear dynamics of a charged particle on a helicoidal manifold under a magnetic fieldWe analyze the classical dynamics of a charged particle constrained to a helicoidally embedded Riemannian manifold in R3 under a uniform magnetic field in the ambient space. The induced…Abdullah Guvendi, Hassan Hassanabadi, Semra Gurtas Dogan et al.·Jul 5, 2026SaveLearn
The slope of the friction law of hertzian-asperity--based metainterfaces has a finite positive lower boundMetainterfaces can realize specified evolutions of their friction force as a function of the confining normal force (friction law), thanks to the design of the individual radii and heights of a…Julien Scheibert·Jul 2, 2026SaveLearn
What if active and passive gravitational masses were not equal?At first glance, combining Newton's laws of motion with his law of gravitation seems straightforward. Students learn to distinguish inertial from gravitational mass and that their empirical…Domenico Giulini·Jul 1, 2026SaveLearn
Extended topological mode in a one-dimensional non-Hermitian acoustic crystalIn Hermitian topological systems, topological modes (TMs) are bound to interfaces or defects of a lattice. Recent discoveries show that non-Hermitian effects can reshape the wavefunctions of the TMs…Xulong Wang, Wei Wang, Guancong Ma·Jul 1, 2026SaveLearn
The structure of the new SIThe "new" Système international d'unités (SI), which became effective May 20, 2019, defines and is defined by a set of constants. These include the speed of light, the Planck constant,…B. C. Regan·Jun 26, 2026SaveLearn
Variational Resolution of the Abraham-Lorentz-Dirac Equation PathologiesWe propose a structural variational resolution of the Abraham-Lorentz-Dirac (ALD) pathologies. By deriving the Variational Kinematic Constraint (VKC) and the Variational Dynamics Constraint (VDC)…Duje Bonacci·Jun 25, 2026SaveLearn
acoustotreams -- A Python package for acoustic-wave scattering based on the T-matrix methodThe transition-matrix (T-matrix) method has established itself as a prominent technique for computing the scattering response from spatially localized objects. The suitability becomes apparent…Nikita Ustimenko, Carsten Rockstuhl·Jun 21, 2026SaveLearn
Unified Theory of Quartz Tuning Fork ResonatorsQuartz tuning forks, functioning as electrically driven piezoelectric resonators, have long served as exceptionally stable and widely adopted timing references in diverse domains of research and…Hankyul Koh, Wonho Jhe·Jun 21, 2026SaveLearn
On Potentials and Complementary Potentials in One-Dimensional Nonlocal Integral FormulationsThe present research presents potentials and complementary potentials used in the one-dimensional nonlocal integral formulations. The pure stress and the pure strain nonlocal formulations were…Marko Čanađija, Ante Skoblar·Jun 20, 2026SaveLearn
Fermi--Born--Infeld electrodynamics: a nonlinear theory with physical gaugeWe construct a nonlinear extension of Fermi's electrodynamics by incorporating a Born--Infeld structure that depends directly on the four-potential Aμ rather than on the field strength…Renato Vieira dos Santos·Jun 19, 2026SaveLearn
Crack opening and closure detection through coupled DCPD and non-continuous DIC method -- Application to LCF testsThe crack closure effect of a low-alloyed steel subjected to low-cycle fatigue loading has been characterized at two different imposed strain amplitudes. Two techniques (non-continuous DIC H-DIC and…Théotime Asselin, Olivier Ancelet, Guillaume Benoit et al.·Jun 16, 2026SaveLearn
A posteriori study of Thermal-Large Eddy Simulation in solar receiver operating conditionsThis study investigates Thermal-Large Eddy Simulations (T-LES) of anisothermal and turbulent channel flows under physical conditions representative of solar receivers. Solving the low-Mach number…Yanis Zatout, Françoise Bataille, Adrien Toutant·Jun 16, 2026SaveLearn
Special Relativity -- Applications to astronomy and the accelerator physicsThere are many books on the classical subject of special relativity. However, after having spent a number of years, both in relativistic engineering and research with relativity, I have come to the…Evgeny Saldin·Jun 16, 2026SaveLearn
A tabletop demonstration of distributed friction: the spinning wine glassWhen a wine glass is dragged on a table along a circular path, a spontaneous rotation about its vertical axis can develop even if the applied hand force does not directly introduce a yaw torque. This…Ruben Canora·Jun 15, 2026SaveLearn
Electric potential of insulated conducting objects in presence of electric charges -- some exact and approximate resultsDetermination of the electric potential of insulated conducting objects is an important problem both theoretically and practically. For an insulated conducting object in the presence of external…Karlo Filipan, Hrvoje Štefančić·Jun 15, 2026SaveLearn
Transverse electric waves in Bandos-Lechner-Sorokin-Townsend nonlinear electrodynamicsIn the generalized Born-Infeld electrodynamics discovered by Bandos, Lechner, Sorokin and Townsend, we study transverse electric waves propagating perpendicular to a constant magnetic field…Yang Shi, Qinyan Tan, Towe Wang·Jun 15, 2026SaveLearn