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Classical Physics papers — page 151

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Investigation of Scattering Property for An Anisotropic Dielectric Circular Cylinder
Utilizing the scales theory of electromagnetic theory, the anisotropic dielectric material is reconstructed into an isotropic medium. The analytic expressions of scattering field and the scattering…
Y-L Li, J LiSep 14, 2010
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Generalized second-order partial derivatives of 1/r
The generalized second-order partial derivatives of 1/r, where r is the radial distance in 3D, are obtained using a result of the potential theory of classical analysis. Some non-spherical…
V HnizdoSep 13, 2010
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A Simple Numerical Absorbing Layer Method in Elastodynamics
The numerical analysis of elastic wave propagation in unbounded media may be difficult to handle due to spurious waves reflected at the model artificial boundaries. Several sophisticated techniques…
Jean-François Semblat, Ali Gandomzadeh, Luca LentiSep 3, 2010
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On the influence of hidden momentum and hidden energy in the classical analysis of spin-orbit coupling in hydrogenlike atoms
In a recent article, Kholmetskii, Missevitch and Yarmin ["On the classical analysis of spin-orbit coupling in hydrogenlike atoms," Am. J. Phys. 78(4), April 2010 (428-432)] examine in detail…
David C. LushSep 2, 2010
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General Solution of EM Wave Propagation in Anisotropic Media
When anisotropy is involved, the wave equation becomes simultaneous partial differential equations that are not easily solved. Moreover, when the anisotropy occurs due to both permittivity and…
Jinyoung Lee, Seoktae LeeAug 31, 2010
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Exact non-Hookean scaling of cylindrically bent elastic sheets and the large-amplitude pendulum
A sheet of elastic foil rolled into a cylinder and deformed between two parallel plates acts as a non-Hookean spring if deformed normally to the axis. For large deformations the elastic force shows…
Vyacheslavs KashcheyevsAug 27, 2010
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Probability and dynamics in the toss of a non-bouncing thick coin
When a thick cylindrical coin is tossed in the air and lands without bouncing on an inelastic substrate, it ends up on its face or its side. We account for the rigid body dynamics of spin and…
Ee Hou Yong, L. MahadevanAug 26, 2010
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Scale invariant stellar structure
In scale invariant hydrostatic barotropes, the radial evolutionary equation linearly relates the local gravitational and internal energies. From this first-order equation, directly follow all the…
Sidney Bludman, Dallas C. KennedyAug 25, 2010
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Cornu's spiral in the Fresnel regime studied using ultrasound: A phase study
A simple experimental technique for measuring the phase and amplitude of diffracting ultrasound wave [A. Hitachi and M. Takata, Am. J. Phys. 78, 678 (2010)] has been applied to diffracting objects…
Akira HitachiAug 25, 2010
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Electric-triple-layer model based AC electroosmosis flow
The paper presents an novel electric triple layer(ETL) model as an improved model of electrical double layer(EDL) to predict electroosmosis flow rate on the electrode surface at low frequency. The…
Jiang Hongyuan, Li Shanshan, Ren Yukun et al.Aug 25, 2010
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Invariant relationships deriving from classical scaling transformations
Because scaling symmetries of the Euler-Lagrange equations are generally not variational symmetries of the action, they do not lead to conservation laws. Instead, an extension of Noether's…
Sidney Bludman, Dallas C. KennedyAug 24, 2010
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A Simple Pendulum Determination of the Gravitational Constant
We determined the Newtonian Constant of Gravitation G by interferometrically measuring the change in spacing between two free-hanging pendulum masses caused by the gravitational field from large…
Harold V. Parks, James E. FallerAug 19, 2010
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Comment on: Power loss and electromagnetic energy density in a dispersive metamaterial medium
By clarifying the approach of Luan (Phys. Rev. E, 2009), we can generalize the analysis of dispersive (meta)materials, and treat other material responses involving not only loss, but also gain and…
Paul KinslerAug 12, 2010
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Classical Physics of Thermal Scalar Radiation in Two Spacetime Dimensions
Thermal scalar radiation in two spacetime dimensions is treated within relativistic classical physics. Part I involves an inertial frame where are given the analogues both of Boltzmann's…
Timothy H. BoyerAug 11, 2010
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An approximate method for controlling solid elastic waves by transformation media
By idealizing a general mapping as a series of local affine ones, we derive approximately transformed material parameters necessary to control solid elastic waves within classical elasticity theory.…
Jin Hu, Zheng Chang, Gengkai HuAug 10, 2010
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A note on the δ-singularities of the static electric and magnetic fields
The δ-singularities of the electric and magnetic fields in the static case are established based on the regularized δ() function introduced by Jackson.
Constantin Vrejoiu, Roxana ZusAug 10, 2010
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Wheels within wheels: Hamiltonian dynamics as a hierarchy of action variables
In systems where one coordinate undergoes periodic oscillation, the net displacement in any other coordinate over a single period is shown to be given by differentiation of the action integral…
Rory J. Perkins, Paul M. BellanAug 8, 2010
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Classical diamagnetism, magnetic interaction energies, and repulsive forces in magnetized plasmas
The Bohr-van Leeuwen theorem is often summarized as saying that there is no classical magnetic susceptibility, in particular no diamagnetism. This is seriously misleading. The theorem assumes…
Hanno EssenAug 6, 2010
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Acoustic contributions of a sound absorbing blanket placed in a double panel structure: Absorption Versus Transmission
The objective of this paper is to propose a simple tool to estimate the absorption vs. transmission loss contributions of a multilayered blanket unbounded in a double panel structure and thus guide…
Olivier Doutres, Noureddine AtallaAug 5, 2010
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Evaluation of the acoustic and non-acoustic properties of sound absorbing materials using a three-microphone impedance tube
This paper presents a straightforward application of an indirect method based on a three-microphone impedance tube setup to determine the non-acoustic properties of a sound absorbing porous material.…
Olivier Doutres, Yacoubou Salissou, Noureddine Atalla et al.Aug 5, 2010
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A Time-Asymmetric Process in Central Force Scatterings
This article puts forth a process applicable to central force scatterings. Under certain assumptions, we show that in attractive force fields a high speed particle with a small mass speeding through…
Ramis MovassaghAug 4, 2010
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Closed, spirograph-like orbits in power law central potentials
Bertrand's theorem proves that inverse square and Hooke's law-type central forces are the only ones for which all bounded orbits are closed. Similar analysis was used to show that for other…
M. A. Reynolds, M. T. ShouppeAug 3, 2010
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Theoretical and experimental analysis of a thin elastic cylindrical tube acting as a non-Hookean spring
We analyze the deformation and energetics of a thin elastic cylindrical tube compressed between two plates which are parallel to the tube axis. The deformation is studied theoretically using exact…
Antonio Siber, Hrvoje BuljanJul 27, 2010
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General description of electromagnetic radiation processes based on instantaneous charge acceleration in `endpoints'
We present a new methodology for calculating the electromagnetic radiation from accelerated charged particles. Our formulation --- the `endpoint formulation' --- combines numerous results…
Clancy W. James, Heino Falcke, Tim Huege et al.Jul 23, 2010
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Self-amplified Emission of Cherenkov Radiation from a Relativistic Particle Inside Layered Dielectric-filled Waveguide
It is shown that in some special cases the Cherenkov radiation from a charged particle moving along the axis of cylindrical waveguide filled with a semi-infinite material consisting of dielectric…
L. Sh. Grigoryan, H. F. Khachatryan, S. R. ArzumanyanJul 23, 2010
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