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Recurrence plots and chaotic motion around Kerr black hole
black hole physics magnetic fields relativity
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2010/12/21
We study the motion of charged test particles around a Kerr black hole immersed in the asymptotically uniform magnetic field, concluding that off-equatorial stable orbits are allowed in this system. B...
The folding motion of an axisymmetric jet of wormlike-micelles solution
axisymmetric jet wormlike-micelles solution
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2010/11/16
The problem of buckling and coiling of jets of viscous, Newtonian liquids has received a substantial level of attention over the past two decades, both from experimental and theoretical points of view...
The greatest convex minorant of Brownian motion, meander, and bridge
convex minorant Brownian motion
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2010/11/19
This article contains both a point process and a sequential description of the greatest convex minorant of Brownian motion on a finite interval. We use these descriptions to provide new analysis of v...
Giovanni Battista Riccioli's Seventy-Seven Arguments Against the Motion of the Earth: An English Rendition of Almagestum Novum Part II, Book 9, Section 4, Chapter 34, Pages 472-7
Giovanni Battista Riccioli's Seventy-Seven Arguments Almagestum Novum
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2010/11/17
In 1651 the Italian Jesuit Giovanni Battista Riccioli (1598-1671) published in his encyclopedic work on astronomy, the Almagestum Novum, 77 arguments against the Copernican movement of the Earth. The...
Perturbation Theory for Fractional Brownian Motion in Presence of Absorbing Boundaries
Perturbation Theory Presence of Absorbing Boundaries
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2010/11/25
Fractional Brownian motion is a Gaussian process x(t) with zero mean and two-time correlations
hx(t1)x(t2)i = Dt2H 1 + t2H 2 jt1 t2j2H, where H, with 0 < H < 1 is called the Hu...
Some peculiarities of motion of neutral and charged test particles in the field of a spherically symmetric charged object in General Relativity
Motions classification Mass potential Stability conditions
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2010/12/20
We propose the method of investigation of radial motions for charged and neutral test particles in the Reissner-Nordstr¨om field by means of mass potential. In this context we analyze special features...
Time-dependent coupled oscillator model for charged particle motion in the presence of a time varyingmagnetic field
charged particle motion unitary transformation
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2010/11/4
The dynamics of time-dependent coupled oscillator model for the charged particle motion subjected to a time-dependent external magnetic field is investigated. We used canonical transformation approach...
Molecular Frisbee: Motion of Spinning Molecules in Inhomogeneous Fields
Molecular Frisbee Motion Spinning Molecules Inhomogeneous Fields
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2010/11/9
Several laser techniques have been suggested and demonstrated recently for preparing polarizable molecules in rapidly spinning states with a disc-like angular distribution. We consider motion of thes...
The barycentric motion of exoplanet host stars: tests of solar spin-orbit coupling
Earth and Planetary Astrophysics (astro-ph.EP)
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2010/12/24
Empirical evidence suggests a tantalising but unproven link between various indicators of solar activity and the barycentric motion of the Sun. The latter is exemplified by transitions between regular...
Motion Parallax is Asymptotic to Binocular Disparity
Motion Parallax Asymptotic Binocular Disparity
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2010/11/15
Researchers especially beginning with (Rogers & Graham, 1982) have noticed important psychophysical and experimental similarities between the neurologically different motion parallax and stereopsis cu...
Explicit approximate solution for finding the natural frequency of the motion of pendulum by using the HAM
Frequency Nonlinear oscillation Series solutions
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2010/9/13
In this work, we use a powerful analytical method called homotopy analysis method (HAM) to derive the frequency of a nonlinear oscillating system. Unlike the perturbation method, the HAM does not requ...
The Nyström method for functional quantization with an application to the fractional Brownian motion
integral equation Nyströ m method Gaussian semi-martingale functional quantization
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2010/12/1
In this article, the so-called "Nyström method" is tested to compute optimal quantizers of Gaussian processes. In particular, we derive the optimal quantization of the fractional Brownian motion ...
Survival of near-critical branching Brownian motion
ival near-critical branching Brownian motion
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2010/11/29
Consider a system of particles performing branching Brownian motion with negative
drift μ = √2 − " and killed upon hitting zero. Initially there is one particle at x > 0.
Kesten [12] showed th...
Isolated zeros for Brownian motion with variable drift
Brownian motion H¨older continuity Cantor function
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2010/12/8
It is well known that standard one-dimensional Brownian motion B(t) has no isolated zeros almost surely. We show that for any < 1/2 there are -H¨older continuous functions f(t) for which the proces...
Singular inverse square potential in arbitrary dimensions with a minimal length: Application to the motion of a dipole in a cosmic string background
Singular inverse square potential arbitrary dimensions minimal length: Application to the motion dipole cosmic string background
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2010/10/18
We solve analytically the Schr¨odinger equation for the N-dimensional inverse square potential
in quantum mechanics with a minimal length in terms of Heun’s functions. We apply our results
to the pr...