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We study the dynamical properties of a particle in a non-planar square billiard. The plane of the billiard has a sinusoidal shape. We consider both the static and time-dependent plane. We study the affect of different parameters that…

Computational Physics · Physics 2016-12-06 Sedighe Raeisi , Parvin Eslami

We report on the numerical simulation of the double-slit experiment, where the initial wave-packet is bounded inside a billiard domain with perfectly reflecting walls. If the shape of the billiard is such that the classical ray dynamics is…

Chaotic Dynamics · Physics 2009-11-10 Giulio Casati , Tomaz Prosen

Rigid bodies collision maps in dimension two, under a natural set of physical requirements, can be classified into two types: the standard specular reflection map and a second which we call, after Broomhead and Gutkin, no-slip. This leads…

Dynamical Systems · Mathematics 2016-12-13 Christopher Cox , Renato Feres , Hong-Kun Zhang

We design a computational experiment in which a quantum particle tunnels into a billiard of variable shape and scatters out of it through a double-slit opening on the billiard's base. The interference patterns produced by the scattered…

Chaotic Dynamics · Physics 2015-05-19 Zoran Levnajić , Tomaž Prosen

We study numerically the scaling properties of scars in stadium billiard. Using the semiclassical criterion, we have searched systematically the scars of the same type through a very wide range, from ground state to as high as the 1…

chao-dyn · Physics 2009-10-30 Baowen Li

The spectral statistics of the circular billiard with a point-scatterer is investigated. In the semiclassical limit, the spectrum is demonstrated to be composed of two uncorrelated level sequences. The first corresponds to states for which…

Chaotic Dynamics · Physics 2009-11-10 Saar Rahav , Oran Richman , Shmuel Fishman

We consider a strictly convex billiard table with $C^2$ boundary, with the dynamics subjected to random perturbations. Each time the billiard ball hits the boundary its reflection angle has a random perturbation. The perturbation…

Dynamical Systems · Mathematics 2018-06-15 Roberto Markarian , Leonardo T. Rolla , Vladas Sidoravicius , Fabio A. Tal , Maria E. Vares

The boundary of the lemon billiards is defined by the intersection of two circles of equal unit radius with the distance $2B$ between their centers, as introduced by Heller and Tomsovic in Phys. Today {\bf 46} 38 (1993). This paper is a…

Chaotic Dynamics · Physics 2021-05-03 Črt Lozej , Dragan Lukman , Marko Robnik

We study quantum-mechanical tunneling between symmetry-related pairs of regular phase space regions that are separated by a chaotic layer. We consider the annular billiard, and use scattering theory to relate the splitting of…

Condensed Matter · Physics 2009-10-28 Eyal Doron , Steffen D. Frischat

We argue that the random-matrix like energy spectra found in pseudointegrable billiards with pointlike scatterers are related to the quantum violation of scale invariance of classical analogue system. It is shown that the behavior of the…

High Energy Physics - Theory · Physics 2014-11-18 Taksu Cheon , Takaomi Shigehara

A systematic numerical technique for the calculation of unstable periodic orbits in the stadium billiard is presented. All the periodic orbits up to order $p=11$ are calculated and then used to calculate the average Lyapunov exponent and…

Condensed Matter · Physics 2009-10-22 Ofer Biham , Mark Kvale

We investigate the transmission and reflection survival probabilities for the chaotic stadium billiard with two holes placed asymmetrically. Classically, these distributions are shown to have algebraic or exponential decays depending on the…

Chaotic Dynamics · Physics 2013-05-29 Carl P. Dettmann , Orestis Georgiou

We derive an analytical trace formula for the level density of the two-dimensional elliptic billiard using an improved stationary phase method. The result is a continuous function of the deformation parameter (eccentricity) through all…

Nuclear Theory · Physics 2009-10-31 A. G. Magner , S. N. Fedotkin , K. Arita , T. Misu , K. Matsuyanagi , T. Shachner , M. Brack

We study billiards in domains enclosed by circular polygons. These are closed $C^1$ strictly convex curves formed by finitely many circular arcs. We prove the existence of a set in phase space, corresponding to generic sliding trajectories…

Dynamical Systems · Mathematics 2024-10-15 Andrew Clarke , Rafael Ramírez-Ros

We study diffractive effects in two dimensional polygonal billiards. We derive an analytical trace formula accounting for the role of non-classical diffractive orbits in the quantum spectrum. As an illustration the method is applied to a…

chao-dyn · Physics 2016-08-31 Nicolas Pavloff , Charles Schmit

We introduce a new class of billiard-like system, ``bouncing outer billiards" which are 3-dimensional cousins of outer billiards of Neumann and Moser. We prove that bouncing outer billiard on a smooth convex body has at least four…

Dynamical Systems · Mathematics 2024-10-24 Andrey Gogolev , Levi Keck , Kevin Lewis

The density of states for a chaotic billiard with randomly distributed point-like scatterers is calculated, doubly averaged over the positions of the impurities and the shape of the billiard. Truncating the billiard Hamiltonian to a N x N…

Statistical Mechanics · Physics 2009-11-07 H. -J. Stoeckmann

The semiclassical theory for billiards with mixed boundary conditions is developed and explicit expressions for the smooth and the oscillatory parts of the spectral density are derived. The parametric dependence of the spectrum on the…

chao-dyn · Physics 2009-10-28 Martin Sieber , Harel Primack , Uzy Smilansky , Iddo Ussishkin , Holger Schanz

We study the dynamics of a bouncing coin whose motion is restricted to the two-dimensional plane. Such coin model is equivalent to the system of two equal masses connected by a rigid rod, making elastic collisions with a flat boundary. We…

Dynamical Systems · Mathematics 2016-03-10 Ki Yeun Kim

The elliptical stadium is a plane region bounded by a curve constructed by joining two half-ellipses by two parallel segments of equal length. The billiard inside it, as a map, generates a two parameters family of dynamical systems. It is…

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