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Classical Physics papers — page 142

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Radiation of the electron bunch moving in non-regular fields
The problem of spontaneous radiation of the electron bunch grazing into a charged metallic surface with randomly distributed needle shaped asperities is considered. Distances between two neighboring…
Lekdar Gevorgian, Valeri VardanyanJan 12, 2012
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On the existence of natural self-oscillation of a free electron
The possibility of the existence of natural self-oscillation of a free electron is suggested. This oscillation depends on the interaction of the electron with its own electromagnetic fields. Suitable…
Zhixian Yu, Liang YuJan 11, 2012
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On exact relations for the calculation of effective properties of composite
Numerous exact relations exist that relate the effective elastic properties of composites to the elastic properties of their components. These relations can not only be used to determine the…
Biswajit Banerjee, Daniel O. AdamsJan 11, 2012
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Damped bead on a rotating circular hoop - a bifurcation zoo
The evergreen problem of a bead on a rotating hoop shows a multitude of bifurcations when the bead moves with friction. This motion is studied for different values of the damping coefficient and…
Shovan Dutta, Subhankar RayJan 5, 2012
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Magnetic dipole moment of a moving electric dipole
The current density of a moving electric dipole is expressed as the sum of polarization and magnetization currents. The magnetic field due to the latter current is that of a magnetic dipole moment…
V. HnizdoJan 4, 2012
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Device and method for investigation of mechanical properties of the materials under high-strain rate tensile load
A new apparatus and method is proposed for the investigation of material behavior under high-strain-rate tensile loads. We refer this apparatus as a Split Flying Bar. The method is based on using the…
Sergey Lopatnikov, Nikolas Shevchenko, John W. GillespieJan 4, 2012
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How can one detect the rotation of the Earth "around the Moon"? Part 2: Ultra-slow fall
The paper proposes an alternative to the Foucault pendulum for detecting various movements of rotation of the Earth. Calculations suggest that if the duration of a "free" fall becomes longer…
Bertrand M. RoehnerDec 22, 2011
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How can one detect the rotation of the Earth "around the Moon"? Part 1: With a Foucault pendulum
It will be shown that the rotation of the Earth in the Earth-Moon system can be detected by comparing the deflection of a Foucault pendulum at noon on the one hand and at midnight on the other hand.…
Bertrand M. RoehnerDec 22, 2011
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Creep motion of a model frictional system
We report on the dynamics of a model frictional system submitted to minute external perturbations. The system consists of a chain of sliders connected through elastic springs that rest on an incline.…
Baptiste Blanc, Luis A. Pugnaloni, Jean-Christophe GéminardDec 22, 2011
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Boussinesq modeling of surface waves due to underwater landslides
Consideration is given to the influence of an underwater landslide on waves at the surface of a shallow body of fluid. The equations of motion which govern the evolution of the barycenter of the…
Denys Dutykh, Henrik KalischDec 21, 2011
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Spin reversal of a rattleback with viscous friction
Effective equation of motion of a rattleback is obtained from the basic equation of motion with viscous friction depending on slip velocity. This effective equation of motion is used to estimate the…
Hiroshi TakanoDec 21, 2011
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On the Angular Width of Diffractive Beam in Anisotropic Media
2-D diffraction patterns arising in the far-field region were investigated theoretically for the case, when the plane wave with non collinear group and phase velocities is incident on the wide slit…
Edwin H. LockDec 15, 2011
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Electromagnetic cavity tests of Lorentz invariance on Earth and in space
We present a Michelson-Morley type experiment for testing the isotropy of the speed of light in vacuum and matter. The experiment compares the resonance frequency of an actively rotated monolithic…
M. Nagel, K. Möhle, K. Döringshoff et al.Dec 15, 2011
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Line-Integral Representations of the Diffraction of Scalar Fields
Traditionally, the diffraction of a scalar wave satisfying Helmholtz equation through an aperture on an otherwise black screen can be solved approximately by Kirchhoff's integral over the…
Yi-Chuan LuDec 14, 2011
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Optimal Physical Multipoles
Point multipole expansions are widely used to gain physical insight into complex distributions of charges and to reduce the cost of computing interactions between such distributions. However,…
Charles Baker, Ramu Anandakrishnan, Alexey OnufrievDec 14, 2011
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Bead on a rotating circular hoop: a simple yet feature-rich dynamical system
The motion of a bead on a rotating circular hoop is investigated using elementary calculus and simple symmetry arguments. The peculiar trajectories of the bead at different speeds of rotation of the…
Shovan Dutta, Subhankar RayDec 13, 2011
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Minkowski momentum of an MHD wave
The momentum of an MHD wave has been examined from the view point of the electromagnetic momentum expression derived by Minkowski. Basic calculations show that the Minkowski momentum is the sum of…
Tadas K NakamuraDec 9, 2011
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Reply to "A first principles derivation of the electromagnetic fields of a point charge in arbitrary motion"
We wish that this reply will initiate further examination on the currently-accepted formulation of electromagnetic radiation from an accelerated point charge. Further examination will at least…
Young-Sea HuangDec 9, 2011
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A covering theory of special relativity
Under the assumption of closed-path velocity of light invariant, we show both the general expression of velocity of light in an ordinary inertial reference frame and the generalized Lorentz…
Daqing Liu, Xinghua Li, Yanshen WangDec 3, 2011
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Relativistic Statistical Mechanics with Angular Momentum
The equilibrium distribution function of a relativistic ideal gas has been derived to include the effect of angular momentum. The result agrees with the one obtained from kinetic theory, and…
Tadas K NakamuraDec 1, 2011
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Hamiltonian formalism of fractional systems
In this paper we consider a generalized classical mechanics with fractional derivatives. The generalization is based on the time-clock randomization of momenta and coordinates taken from the…
Aleksander StanislavskyNov 13, 2011
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Optimization of an electret-based energy harvester
Thanks to miniaturisation, it is today possible to imagine self-powered systems that use vibrations to produce their own electrical energy. Many energy-harvesting systems already exist. Some of them…
S. Boisseau, G. Despesse, A. SylvestreNov 10, 2011
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Cantilever-based electret energy harvesters
Integration of structures and functions allowed reducing electric consumptions of sensors, actuators and electronic devices. Therefore, it is now possible to imagine low-consumption devices able to…
S. Boisseau, G. Despesse, T. Ricart et al.Nov 10, 2011
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1D model of precursors to frictional stick-slip motion allowing for robust comparison with experiments
We study the dynamic behaviour of 1D spring-block models of friction when the external loading is applied from a side, and not on all blocks like in the classical Burridge-Knopoff-like models. Such a…
David Skålid Amundsen, Julien Scheibert, Kjetil Thøgersen et al.Nov 10, 2011
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Electret-based cantilever energy harvester: design and optimization
We report in this paper the design, the optimization and the fabrication of an electret-based cantilever energy harvester. We develop the mechanical and the electrostatic equations of such a device…
S. Boisseau, G. Despesse, A. SylvestreNov 10, 2011
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