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Classical Physics papers — page 138

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Multiple Scattering of Electromagnetic Waves by an Array of Parallel Gyrotropic Rods
We study multiple scattering of electromagnetic waves by an array of parallel gyrotropic circular rods and show that such an array can exhibit fairly unusual scattering properties and provide, under…
Vasiliy A. Es'kin, Alexander V. Kudrin, Tatyana M. Zaboronkova et al.Jul 5, 2012
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The Classical Electromagnetic Modes of a Rectangular Resonant Cavity with particular reference to the text Quantum Physics by R. Eisberg and R. Resnick
Three approaches to the derivation of the classical electromagnetic modes of a rectangular cavity are described. In so doing, some apparent errors in a widely-used physics text are pointed out.
W. ZimmermannJul 3, 2012
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Reflection from a moving mirror - a simple derivation using the photon model of light
We present an elementary analysis of the effects on light reflected from a uniformly moving mirror by using the photon picture of light and the conservation laws for energy and momentum of the system…
Aleksandar GjurchinovskiJul 2, 2012
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Electromagnetic Hydrophone with Tomographic System for Absolute Velocity Field Mapping
The velocity and pressure of an ultrasonic wave can be measured by an electromagnetic hydrophone made of a thin wire and a magnet. The ultrasonic wave vibrates the wire inside a magnetic field,…
Pol Grasland-Mongrain, Bruno Gilles, Jean-Martial Mari et al.Jul 2, 2012
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Conservation Laws and Stress-energy-momentum Tensors for Systems with Background Fields
This article attempts to delineate the roles played by non-dynamical background structures and Killing symmetries in the construction of stress-energy-momentum tensors generated from a diffeomorphism…
Jonathan Gratus, Yuri N. Obukhov, Robin W. TuckerJun 28, 2012
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Entropy Change in the Carnot Cycle: Entropy in the Adiabatic Process
Entropy change in the Carnot cycle is discussed. In particular, the isentropic change in the adiabatic expansion (or compression) is reinvestigated.
Kazumi SuematsuJun 24, 2012
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Producing Acoustic 'Frozen Waves': Simulated experiments
In this paper we show how appropriate superpositions of Bessel beams can be successfully used to obtain arbitrary longitudinal intensity patterns of nondiffracting ultrasonic wavefields with very…
Jose' L. Prego, Michel Zamboni-Rached, Erasmo Recami et al.Jun 23, 2012
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Examples and Comments Related to Relativity Controversies
Recently Mansuripur has called into question the validity of the Lorentz force in connection with relativistic electromagnetic theory. Here we present some very simple point-charge systems treated…
Timothy H. BoyerJun 22, 2012
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Active Cloaking
Electromagnetic cloaking refers to the ability to prevent an object from scattering an incident electromagnetic field. This has been accomplished in recent works by routing the incident field around…
Michael Selvanayagam, George V. EleftheriadesJun 20, 2012
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Torques without Rotation: the Right-Angle Lever
An extended body subject to external forces which exert zero net force and zero total torque in the rest frame, may experience a nonzero torque in another inertial frame, and nonetheless does not…
Joel A. ShapiroJun 20, 2012
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Identification of the true elastic modulus of high density polyethylene from tensile tests using an appropriate reduced model of the elastoviscoplastic behavior
The rheological parameters of materials are determined in the industry according to international standards established generally on the basis of widespread techniques and robust methods of…
A. Blaise, Stéphane André, Patrick Delobelle et al.Jun 19, 2012
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Some investigations in design of low cost variable compression ratio two stroke petrol engine
Historically two stroke engine petrol engines find wide applications in construction of two wheelers worldwide, however due to stringent environmental laws enforced universally; these engines are…
A. Srinivas, G. Venkatasubbaiah, P. Venkateswar rao et al.Jun 19, 2012
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The gravitational field of a cube
Large astronomical objects such as stars or planets, produce approximately spherical shapes due to the large gravitational forces, and if the object is rotating rapidly, it becomes an oblate…
James M. Chappell, Mark J. Chappell, Azhar Iqbal et al.Jun 18, 2012
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Application of piezoelectric macro-fiber-composite actuators to the suppression of noise transmission through curved glass plates
This paper analyzes the possibility of increasing the acoustic transmission loss of sound transmitted through planar or curved glass shells using attached piezoelectric macro fiber composite (MFC)…
Katerina Novakova, Pavel Mokry, Jan VaclavikJun 17, 2012
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The efficiency and power of the martensite rotor heat engine. I
The physical aspects - mechanics and thermodynamics - of operation of martensite rotor heat engine (MRHE) on the basis of martensite-austenite structural phase transition with the transition…
I. G. Margvelashvili, M. D. Zviadadze, L. A. ZamtaradzeJun 17, 2012
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The point of departure of a particle sliding on a curved surface
A particle is thrown tangentially on a surface. It is shown that for some surfaces and for special initial velocities the thrown particle leaves immediately the surface, and for special conditions it…
Amir AghamohammadiJun 15, 2012
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Testing Einstein's time dilation under acceleration using Mössbauer spectroscopy
The Einstein time dilation formula was tested in several experiments. Many trials have been made to measure the transverse second order Doppler shift by Mössbauer spectroscopy using a rotating…
Yaakov Friedman, Israel NowikJun 14, 2012
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One way to Lorentz's Transformations
There are many papers devoted to derivation of Lorentz Transformations (LT). Many people have pro posed alternative derivations. Their analysis allows looking at LT and their consequences from…
E. G. BessonovJun 13, 2012
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Analytical solution of the tooling/workpiece contact interface shape during a flow forming operation
Flow forming involves complicated tooling/workpiece interactions. Purely analytical models of the tool contact area are difficult to formulate, resulting in numerical approaches that are…
M. J. Roy, D. M. Maijer, R. J. Klassen et al.Jun 9, 2012
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Chandrasekhar theory of electromagnetic scattering from strongly conducting ellipsoidal targets
Exactly soluble models in the theory of electromagnetic propagation and scattering are essentially restricted to horizontally stratified or spherically symmetric geometries, with results also…
Peter B. WeichmanJun 5, 2012
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Two-Potential Formalism for Numerical Solution of the Maxwell Equations
A new formulation of the Maxwell equations based on two vector and two scalar potentials is proposed. The use of these potentials allows the electromagnetic field equations to be written in the form…
Alexey N. Kudryavtsev, Sergey I. TrashkeevJun 2, 2012
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Maxwell's Fishpond
Most of us will have at some time thrown a pebble into water, and watched the ripples spread outwards and fade away. But now there is a way to reverse the process, and make those ripples turn around…
Paul Kinsler, Jiajun Tan, Timothy C. Y. Thio et al.May 31, 2012
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Why old tires are still being preferred as dock bumpers in harbours
The usage of old tires as dock and tugboat bumpers has been a common practice from long ago, proving to be safe for docking even the largest freighters. The reaction force and stored energy of an…
Miguel LagosMay 28, 2012
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A unique pure mechanical system revealing dipole repulsion
We study multiple elastic collisions of a block and a ball against a rigid wall in one dimension. The complete trajectory of the block is solved as an analytic function of time. Near the turning…
June-Haak Ee, Jungil LeeMay 25, 2012
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A consistent thermodynamical model of incompressible media as limit case of quasi-thermal-incompressible materials
In this paper we consider the conditions on quasi-thermal-incompressible so that they satisfy all the principles of thermodynamics, including the stability condition associated with the concavity of…
Henri Gouin, Tommaso RuggeriMay 24, 2012
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