On Lorentz and Einstein-Laub forces in material mediaAs a continuation of the discussion started in (M. Mansuripur, Phys. Rev. Lett. 108, 193901 (2012)), we show that the approach based on Lorentz force law in material media, like Einstein-Laub…Alexander Kholmetskii, Oleg Missevitch, Tolga Yarman·Aug 27, 2012SaveLearn
Vector Potential and Magnetic Field of Axially Symmetric CurrentsA solution is proposed for finding the vector potential and magnetic field of any distribution of currents with axial symmetry. In this approach, the magnetic field and the vector potential are…Andrey Vasilyev·Aug 24, 2012SaveLearn
Difference-frequency generation in nonlinear scattering of acoustic waves by a rigid sphereIn this paper, the partial-wave expansion method is applied to describe the difference-frequency pressure generated in a nonlinear scattering of two acoustic waves with an arbitrary wavefront by…Glauber T. Silva, Anderson Bandeira·Aug 24, 2012SaveLearn
Electromagnetic Angular Momentum and RelativityRecently there have been suggestions that the Lorentz force law is inconsistent with special relativity. This is difficult to understand, since Einstein invented relativity in order to reconcile…Kimball A. Milton, Giulio Meille·Aug 23, 2012SaveLearn
Teaching the third law of thermodynamicsThis work gives a brief summary of major formulations of the third law of thermodynamics and their implications, including the impossibility of perpetual motion of the third kind. The last sections…A. Y. Klimenko·Aug 21, 2012SaveLearn
A partitioned model order reduction approach to rationalise computational expenses in multiscale fracture mechanicsWe propose in this paper an adaptive reduced order modelling technique based on domain partitioning for parametric problems of fracture. We show that coupling domain decomposition and…Pierre Kerfriden, Olivier Goury, Timon Rabczuk et al.·Aug 20, 2012SaveLearn
The Frieden-Soffer Extreme Physical Information Principle in a Non-extensive SettingWe show that the Frieden and Soffer's Extreme Physical Information principle, applied to a non-extensive statistical scenario, yields solutions to several well-known classical …L. P. Chimento, F. Pennini, A. Plastino·Aug 17, 2012SaveLearn
An Extended Dynamical Equation of Motion, Phase Dependency and Inertial BackreactionNewton's second law has limited scope of application when transient phenomena are present. We consider a modification of Newton's second law in order to take into account a sudden change…Mario J. Pinheiro, Marcus Büker·Aug 16, 2012SaveLearn
Mechanics, cosmology and Mach's principleIt is pointed out that recent cosmological findings seem to support the view that the mass/energy distribution of the universe defines the Newtonian inertial frames as originally suggested by Mach.…Hanno Essen·Aug 15, 2012SaveLearn
Dimensional analysis and Rutherford ScatteringDimensional analysis, and in particular the Buckingham Π theorem is widely used in fluid mechanics. In this article we obtain an expression for the impact parameter from Buckingham's theorem…Miguel Angel Bernal, Francisco Javier Camacho, Roberto Enrique Martinez·Aug 15, 2012SaveLearn
Two charges on plane in a magnetic field: special trajectoriesA classical mechanics of two Coulomb charges on a plane (e1, m1) and (e2, m2) subject to a constant magnetic field perpendicular to a plane is considered. Special "superintegrable"…M. A. Escobar-Ruiz, A. V. Turbiner·Aug 14, 2012SaveLearn
Determining the full transformation relations in the transformation methodTransformation method provides an efficient way to control wave propagation by materials. However, the degree to which this transformation concept can be applied to other physical phenomena remains…Jin Hu, Xiang-Yang Lu·Aug 14, 2012SaveLearn
Off-axial acoustic radiation force of pressor and tractor Bessel beams on a sphereAcoustic Bessel beams are known to produce an axial radiation force on a sphere centered on the beam axis (on-axial configuration) that exhibits both "pressor" and "tractor"…Glauber T. Silva, J. Henrique Lopes, Tiago P. Lobo et al.·Aug 14, 2012SaveLearn
On the interaction of electromagnetic waves with conductorsWe study the interaction of electromagnetic waves with electrons. Our results can be applied to radio waves in the ionosphere or to lasers impinging on metals causing melting. We generalize the…B. V. Paranjape, M. B. Paranjape·Aug 1, 2012SaveLearn
Flute-like musical instruments: a toy model investigated through numerical continuationSelf-sustained musical instruments (bowed string, woodwind and brass instruments) can be modeled by nonlinear lumped dynamical systems. Among these instruments, flutes and flue organ pipes present…Soizic Terrien, Christophe Vergez, Benoît Fabre·Jul 30, 2012SaveLearn
An approach to anomalous diffusion in the n-dimensional space generated by a self-similar LaplacianWe analyze a quasi-continuous linear chain with self-similar distribution of harmonic interparticle springs as recently introduced for one dimension (Michelitsch et al., Phys. Rev. E 80, 011135…Thomas Michelitsch, Gérard Maugin, Andrzej F. Nowakowski et al.·Jul 30, 2012SaveLearn
A structural theory for a 3D isotropic linear-elastic finite bodyThe development of a nonlinear structural theory (model) for isotropic linear-elastic finite continua is the main objective of the study. To derive the theory, we used Taylor's multivariable…E Hanukah, Bella Goldshtein·Jul 29, 2012SaveLearn
External Tonehole Interactions in Woodwind InstrumentsThe classical Transfer-Matrix Method (TMM) is often used to calculate the input impedance of woodwind instruments. However, the TMM ignores the possible influence of the radiated sound from toneholes…Antoine Lefebvre, Gary P. Scavone, Jean Kergomard·Jul 23, 2012SaveLearn
Contact between representative rough surfacesA numerical analysis of mechanical frictionless contact between rough self-affine elastic manifolds was carried out. It is shown that the lower cutoff wavenumber in surface spectra is a key parameter…Vladislav A. Yastrebov, Guillaume Anciaux, Jean-Francois Molinari·Jul 23, 2012SaveLearn
Measurement of the beauty of periodic noisesIn this article indicators to describe the "beauty" of noises are proposed. Rhythmic, tonal and harmonic suavity are introduced. They give a characterization of a noise in terms of rhythmic…Vincent Manet·Jul 19, 2012SaveLearn
Prediction of the dynamic oscillation threshold in a clarinet model with a linearly increasing blowing pressureReed instruments are modeled as self-sustained oscillators driven by the pressure inside the mouth of the musician. A set of nonlinear equations connects the control parameters (mouth pressure, lip…Baptiste Bergeot, André Almeida, Christophe Vergez et al.·Jul 19, 2012SaveLearn
The momentum of an electromagnetic wave inside a dielectricThe problem of assigning a momentum to an electromagnetic wave packet propagating inside an insulator has become known under the name of the Abraham-Minkowski controversy. In the present paper we…Massimo Testa·Jul 17, 2012SaveLearn
Validation of Advanced EM Models for UXO DiscriminationThe work reported here details basic validation of our advanced physics-based EMI forward and inverse models against data collected by the NRL TEMTADS system. The data was collected under…Peter B. Weichman·Jul 17, 2012SaveLearn
Poynting Vector Flow in a Circular CircuitA circuit is considered in the shape of a ring, with a battery of negligible size and a wire of uniform resistance. A linear charge distribution along the wire maintains an electrostatic field and a…Basil S. Davis, L. Kaplan·Jul 9, 2012SaveLearn
The Lorentz-Dirac and Landau-Lifshitz equations from the perspective of modern renormalization theoryThis paper uses elementary techniques drawn from renormalization theory to derive the Lorentz-Dirac equation for the relativistic classical electron from the Maxwell-Lorentz equations for a classical…Charles W. Nakhleh·Jul 6, 2012SaveLearn