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Related papers: Chaotic motion in Kundt spacetimes

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A recent quasiclassical description of a tunneling universe model is shown to exhibit chaotic dynamics by an analysis of fractal dimensions in the plane of initial values. This result relies on non-adiabatic features of the quantum…

General Relativity and Quantum Cosmology · Physics 2023-11-15 Martin Bojowald , Ari Gluckman

It has been shown that the discrete one dimensional gravity model of traffic flow dynamics exhibits temporal chaotic behavior

chao-dyn · Physics 2007-05-23 Elman M. Shahverdiev , Shin-ichi Tadaki

Non-standard sandwich gravitational waves are constructed from the homogeneous pp vacuum solution and the motions of free test particles in the space-times are calculated explicitly. They demonstrate the caustic property of sandwich waves.…

General Relativity and Quantum Cosmology · Physics 2009-10-31 J. Podolsky , K. Vesely

Chaotic dynamics can be quite heterogeneous in the sense that in some regions the dynamics are unstable in more directions than in other regions. When trajectories wander between these regions, the dynamics is complicated. We say a chaotic…

Dynamical Systems · Mathematics 2022-10-10 Yoshitaka Saiki , Hiroki Takahasi , James A. Yorke

We model Lagrangian lateral mixing and transport of passive scalars in meandering oceanic jet currents by two-dimensional advection equations with a kinematic stream function with a time-dependent amplitude of a meander imposed. The…

Chaotic Dynamics · Physics 2012-02-03 M. V. Budyansky , S. V. Prants

Fractal basin boundaries provide an important means of characterizing chaotic systems. We apply these ideas to general relativity, where other properties such as Lyapunov exponents are difficult to define in an observer independent manner.…

General Relativity and Quantum Cosmology · Physics 2016-08-31 C. Dettmann , N. Frankel , N. Cornish

We investigate the fully general class of non-expanding, non-twisting and shear-free D-dimensional geometries using the invariant form of geodesic deviation equation which describes the relative motion of free test particles. We show that…

General Relativity and Quantum Cosmology · Physics 2014-06-04 Jiri Podolsky , Robert Svarc

Spiral waves are investigated in chemical systems whose underlying spatially-homogeneous dynamics is governed by a deterministic chaotic attractor. We show how the local periodic behavior in the vicinity of a spiral defect is transformed to…

chao-dyn · Physics 2009-10-28 Andrei Goryachev , Raymond Kapral

We investigate the occurrence chaos in the escape of test particles moving in the field of a Schwarzschild black hole surrounded by an external halo. The motion of both material particles and zero rest mass particles is considered. The…

chao-dyn · Physics 2008-12-18 Alessandro P. S. de Moura , Patricio S. Letelier

Wave chaotic systems underpin a wide range of research activities, from fundamental studies of quantum chaos via electromagnetic compatibility up to more recently emerging applications like microwave imaging for security screening, antenna…

Applied Physics · Physics 2020-07-01 Jean-Baptiste Gros , Philipp del Hougne , Geoffroy Lerosey

We study the chaotic dynamics of spinless extended bodies in a wide class of spherically symmetric spacetimes, which encompasses black-hole scenarios in many modified theories of gravity. We show that a spherically symmetric pulsating ball…

General Relativity and Quantum Cosmology · Physics 2024-10-01 Fernanda de F. Rodrigues , Ricardo A. Mosna , Ronaldo S. S. Vieira

Stationary wave solutions of the perturbed Korteweg-de Vries equation are considered in the presence of external hamiltonian perturbations. Conditions of their chaotic behaviour are studied with the help of Melnikov theory. For the…

Chaotic Dynamics · Physics 2009-11-07 K. B. Blyuss

We study geodesic motion in expanding spherical impulsive gravitational waves propagating in a Minkowski background. Employing the continuous form of the metric we find and examine a large family of geometrically preferred geodesics. For…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Jiri Podolsky , Roland Steinbauer

It is shown that conductance fluctuations due to phase coherent ballistic transport through a chaotic cavity generically are fractals. The graph of conductance vs. externally changed parameter, e.g. magnetic field, is a fractal with…

Condensed Matter · Physics 2009-10-28 Roland Ketzmerick

We investigate the phase-space for trajectories in multi-black hole spacetimes. We find that complete, chaotic geodesics are well described by Lyapunov exponents, and that the attractor basin boundary scales as a fractal in a diffeomorphism…

General Relativity and Quantum Cosmology · Physics 2009-12-30 N. J. Cornish , C. P. Dettmann , N. E. Frankel

The existence of chaotic behavior for the geodesics of the test particles orbiting compact objects is a subject of much current research. Some years ago, Gu\'eron and Letelier [Phys. Rev. E \textbf{66}, 046611 (2002)] reported the existence…

General Relativity and Quantum Cosmology · Physics 2014-11-17 F. L. Dubeibe , Leonardo A. Pachon , Jose D. Sanabria-Gomez

Binary systems of rapidly spinning compact objects, such as black holes or neutron stars, are prime targets for gravitational wave astronomers. The dynamics of these systems can be very complicated due to spin-orbit and spin-spin couplings.…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Neil J. Cornish , Janna Levin

We investigate a class of gravitational pp-waves which represent the exterior vacuum field of spinning particles moving with the speed of light. Such exact spacetimes are described by the original Brinkmann form of the pp-wave metric…

General Relativity and Quantum Cosmology · Physics 2014-08-27 Jiri Podolsky , Roland Steinbauer , Robert Svarc

Trajectories in the space of the unitarily inequivalent representations of the canonical commutation relations are shown to be classical trajectories. Under convenient conditions, they may exhibit properties typical of chaotic behavior in…

High Energy Physics - Theory · Physics 2009-11-10 Giuseppe Vitiello

Despite several experiments on chaotic quantum transport in two-dimensional systems such as semiconductor quantum dots, corresponding quantum simulations within a real-space model have been out of reach so far. Here we carry out quantum…

Mesoscale and Nanoscale Physics · Physics 2013-10-31 Ville Kotimaki , Esa Rasanen , Holger Hennig , Eric J. Heller