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Classical Physics papers — page 67

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Effects of transformed Hamiltonians on Hamilton-Jacobi theory in view of a stronger connection to wave mechanics
Hamilton-Jacobi theory is a fundamental subject of classical mechanics and has also an important role in the development of quantum mechanics. Its conceptual framework results from the advantages of…
Michele MarroccoOct 26, 2019
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Particular superintegrability of 3-body (modified) Newtonian Gravity
It is found explicitly 5 Liouville integrals in addition to total angular momentum which Poisson commute with Hamiltonian of 3-body Newtonian Gravity in R3 along the Remarkable…
Alexander V Turbiner, Juan Carlos Lopez VieyraOct 25, 2019
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Equations of Motion Formulation of a Pendulum Containing N-point Masses
This paper presents a general formulation of equations of motion of a pendulum with n point mass by use of two different methods. The first one is obtained by using Lagrange Mechanics and…
Boran YesilyurtOct 24, 2019
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Dynamical aspects of a restricted three-vortex problem
The restricted three-vortex problem is investigated with one of the point vortices fixed in the plane. The motion of the free vortex having zero circulation is explored from a rotating frame of…
Sreethin Sreedharan K, Priyanka ShuklaOct 24, 2019
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The Structural Dynamics of the World Trade Center Catastrophe
Bažant et al. have proposed a model of a gravity-driven collapse of a tall building which collapses in a progressive-floor collapse after the failure of a single storey. The model allows the…
Ansgar SchneiderOct 23, 2019
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The Hamilton-Jacobi Equation: an intuitive approach
The Hamilton-Jacobi equation (HJE) is one of the most elegant approach to Lagrangian systems such as geometrical optics and classical mechanics, establishing the duality between trajectories and…
Bahram HouchmandzadehOct 21, 2019
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On the Physical Meaning of Time-Domain Constitutive Models with Complex Parameters
This paper revisits the physical meaning of linear, time-domain constitutive models with complex parameters that have been presented in the literature and concludes that such models are not…
Nicos MakrisOct 16, 2019
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Branched Flow
In many physical situations involving diverse length scales, waves or rays representing them travel through media characterized by spatially smooth, random, modest refactive index variations.…
Eric J Heller, Ragnar Fleischmann, Tobias KramerOct 16, 2019
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Scattering on square lattice from crack with damage zone
A semi-infinite crack in infinite square lattice is subjected to a wave coming from infinity, thereby leading to its scattering by the crack surfaces. A partially damaged zone ahead of the crack-tip…
Basant Lal Sharma, Gennady MishurisOct 15, 2019
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Thinking towards Motion Modeling: on High-order Derivatives of Displacement
This note is concerned with the problem of motion modeling in Physics. We aim to use the Time-Variant Local Autocorrelation Polynomial to understand the mathematical model of motion description. The…
Shixiong Wang, Andrew LimOct 11, 2019
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Two-scale micropolar plate model for web-core sandwich panels
A 2-D micropolar equivalent single-layer (ESL), first-order shear deformation (FSDT) plate model for 3-D web-core sandwich panels is developed. First, a 3-D web-core unit cell is modeled by classical…
Anssi T. Karttunen, JN Reddy, Jani RomanoffOct 10, 2019
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Power Limit of Crosswind Kites
In this paper, a generalized power limit of the cross wind kite energy systems is proposed. Based on the passivity property of the aerodynamic force, the available power which can be harvested by a…
Haocheng LiOct 9, 2019
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A quantitative analysis of the chain fountain
The chain fountain is an entertaining, counter-intuitive phenomenon. When a chain flows up over the edge of a container and then falls to the ground below, it is observed that the top of the chain…
J. PantaleoneOct 7, 2019
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Wide-Band/Angle Blazed Dual Mode Metallic Groove Gratings
We introduce a new and simple approach to acquire wide-band/angle blazing operation in one-dimensional metallic gratings supported by equivalent circuit analysis. The gratings that are investigated…
Omid Hemmatyar, Mohammad Ali Abbassi, Babak Rahmani et al.Oct 7, 2019
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Electromagnetic Energy Balance Equations and Poynting Theorem
Poynting theorem plays a very important role in analyzing electromagnetic phenomena. The electromagnetic power flux density is usually expressed with the Poynting vector. However, since Poynting…
Gaobiao XiaoOct 6, 2019
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Transmission of waves across atomic step discontinuities in discrete nanoribbon structures
Scalar wave propagation across a semi-infinite step or step-like discontinuity on any one boundary of the square lattice waveguides is considered within nearest-neighbour interaction approximation.…
Basant Lal SharmaOct 6, 2019
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Understanding how a falling ball chain can be speeded up by impact onto a surface
When a falling ball chain strikes a surface, a tension is created that pulls the chain downward. This causes a downward acceleration that is larger than free-fall, which has been observed by recent…
J. PantaleoneOct 6, 2019
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On the geometry of the classical Rabi problem
We investigate the motion of a classical spin precessing around a periodic magnetic field using Floquet theory as well as elementary differential geometry and considering a couple of examples. Under…
Heinz-Jürgen SchmidtOct 6, 2019
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Negative Absolute Temperatures
The concept of negative absolute temperature, introduced by Ramsey based on the study of a nuclear spin system by Purcell and Pound in 1951, has been subject to continued debate. According to a…
Quanmin GuoOct 4, 2019
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Multi-functional resonant acoustic networks for wave routing
We demonstrate that asymmetric 3-port devices can be used to design a multi-functional set-up operating as a symmetric combiner and splitter at the same frequency. For a concrete implementation of…
Olivier Richoux, Vassos Achilleos, Georgios Theocharis et al.Oct 2, 2019
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From Elastica to Floating Bodies of Equilibrium
A short historical account of the curves related to the two-dimensional floating bodies of equilibrium and the bicycle problem is given. Bor, Levi, Perline and Tabachnikov found, quite a number had…
Franz WegnerSep 27, 2019
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On the peculiar features of the instantaneous angular distribution of synchrotron radiation
The instantaneous angular distribution of synchrotron radiation is investigated. The radiation space is divided into two parts. The first part of the space is the interior of a cone with the apex…
V. G. Bagrov, A. N. Kasatkina, A. A. PecheritsynSep 26, 2019
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Work done on a single-particle gas during an adiabatic compression/expansion process
We compute the average work done by an external agent, driving a piston at constant speed, over a single particle gas going through an adiabatic compression and expansion process. To do so, we get…
Carlos E. Álvarez, Nicolás Afanador, Gabriel TéllezSep 25, 2019
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The Three Quasistatic Limits of the Maxwell Equations
It is shown that the Galilean limit (V << c, or L/T <<c)) of the Maxwell equations admits three different limits: the magneto-quasi-static, electro-quasi-static, and electromagnetic-quasi-static…
Scott E. KrugerSep 25, 2019
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Free space transmission lines in receiving antenna operation
This work derives exact expressions for the voltage and current induced into a two conductors non isolated transmission lines by an incident plane wave. The methodology is to use the transmission…
Reuven Ianconescu, Vladimir VulfinSep 24, 2019
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