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Related papers: Chaos in 2-d Bohmian Trajectories

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We study the 3-d Bohmian trajectories of a quantum system of three harmonic oscillators. We focus on the mechanism responsible for the generation of chaotic trajectories. We demonstrate the existence of a 3-d analogue of the mechanism found…

Quantum Physics · Physics 2016-10-04 Athanasios C. Tzemos , George Contopoulos , Christos Efthymiopoulos

We consider the Bohmian trajectories in a 2-d quantum harmonic oscillator with non commensurable frequencies whose wavefunction is of the form $\Psi=a\Psi_{m_1,n_1}(x,y)+b\Psi_{m_2,n_2}(x,y)+c\Psi_{m_3,n_3}(x,y)$. We first find the…

Quantum Physics · Physics 2022-05-25 Athanasios C. Tzemos , George Contopoulos

We explore the transition from order to chaos for the Bohmian trajectories of a simple quantum system corresponding to the superposition of three stationary states in a 2D harmonic well with incommensurable frequencies. We study in…

Quantum Physics · Physics 2009-11-13 Christos Efthymiopoulos , Constantinos Kalapotharakos , George Contopoulos

The general theory of motion in the vicinity of a moving quantum nodal point (vortex) is studied in the framework of the de Broglie - Bohm trajectory method of quantum mechanics. Using an adiabatic approximation, we find that near any nodal…

Quantum Physics · Physics 2009-11-13 C. Efthymiopoulos , C. Kalapotharakos , G. Contopoulos

We study in detail the onset of chaos and the probability measures formed by individual Bohmian trajectories in entangled states of two-qubit systems for various degrees of entanglement. The qubit systems consist of coherent states of 1-d…

Quantum Physics · Physics 2020-06-24 Athanasios C. Tzemos , George Contopoulos

We discuss the main mechanisms generating chaotic behavior of the quantum trajectories in the de Broglie - Bohm picture of quantum mechanics, in systems of two and three degrees of freedom. In the 2D case, chaos is generated via multiple…

Quantum Physics · Physics 2017-03-30 Christos Efthymiopoulos , George Contopoulos , Athanasios C. Tzemos

We study in detail the critical points of Bohmian flow, both in the inertial frame of reference (Y-points) and in the frames centered at the moving nodal points of the guiding wavefunction (X-points), and analyze their role in the onset of…

Quantum Physics · Physics 2025-09-15 Athanasios C. Tzemos , George Contopoulos , Foivos Zanias

This is a short review in the theory of chaos in Bohmian Quantum Mechanics based on our series of works in this field. Our first result is the development of a generic theoretical mechanism responsible for the generation of chaos in an…

Quantum Physics · Physics 2021-01-26 George Contopoulos , Athanasios C. Tzemos

In Bohmian mechanics, the nodes of the wave function play an important role in the generation of chaos. However, so far, most of the attention has been on moving nodes; little is known about the possibility of chaos in the case of…

Quantum Physics · Physics 2016-10-25 A. Cesa , J. Martin , W. Struyve

This paper investigates the origin and onset of chaos in a mathematical model of an individual neuron, arising from the intricate interaction between 3D fast and 2D slow dynamics governing its intrinsic currents. Central to the chaotic…

Dynamical Systems · Mathematics 2024-11-12 James Scully , Carter Hinsley , David Bloom , Hil G. E. Meijer , Andrey L. Shilnikov

We study the emergence of chaos in a 2d system corresponding to a classical Hamiltonian system $V= \frac{1}{2}(\omega_x^2x^2+\omega_y^2y^2)+\epsilon xy^2$ consisting of two interacting harmonic oscillators and compare the classical and the…

Quantum Physics · Physics 2024-09-19 Athanasios C. Tzemos , George Contopoulos

This paper examines the most probable route to chaos in high-dimensional dynamical systems in a very general computational setting. The most probable route to chaos in high-dimensional, discrete-time maps is observed to be a sequence of…

Chaotic Dynamics · Physics 2009-09-29 D. J. Albers , J. C. Sprott

Chaos in Bohmian Quantum Mechanics is an open field of research. In general, most of the 3-d Bohmian trajectories are free to wander around the 3-d space. However there are cases where the evolution of the trajectories is dictated by exact…

Quantum Physics · Physics 2018-02-14 Athanasios C. Tzemos , George Contopoulos

We provide a general theory for the structure of the quantum flow near 3-d nodal lines, i.e. one-dimensional loci where the 3-d wavefunction becomes equal to zero. In suitably defined co- ordinates (co-moving with the nodal line) the…

Quantum Physics · Physics 2018-04-18 Athanasios C. Tzemos , Christos Efthymiopoulos , George Contopoulos

We derive the quantitative propagation of chaos in the sense of relative entropy for the first time for the 2D Log gas or the weakly interacting particle systems with 2D Coulomb interactions on the whole space. We resolve this problem by…

Analysis of PDEs · Mathematics 2024-11-25 Shuzhe Cai , Xuanrui Feng , Yun Gong , Zhenfu Wang

We review the occurrence of the patterns of the onset of chaos in low-dimensional nonlinear dissipative systems in leading topics of condensed matter physics and complex systems of various disciplines. We consider the dynamics associated…

Statistical Mechanics · Physics 2018-11-14 Carlos Velarde , Alberto Robledo

Vortices are known to play a key role in the dynamics of the quantum trajectories defined within the framework of the de Broglie-Bohm formalism of quantum mechanics. It has been rigourously proved that the motion of a vortex in the…

Quantum Physics · Physics 2010-08-17 F. Borondo , A. Luque , J. Villanueva , D. A. Wisniacki

The onset of chaos and the mechanism of rotational damping are studied in an exactly soluble particle-rotor model. It is shown that the degree of chaoticity as inferred from the statistical measures is closely related to the onset of…

Nuclear Theory · Physics 2009-11-10 Javid A. Sheikh , Yang Sun

The simplest non-trivial model of chaotic Bohmian dynamics is identified. We argue that its most important features can be observed in more complex models, above all, the presumable mechanism of the appearance of chaos in the Bohmian-type…

Quantum Physics · Physics 2007-05-23 Adam J. Makowski , Michal Frackowiak

This paper formulates a new approach to the study of chaos in discrete dynamical systems based on the notions of inverse ill-posed problems, set-valued mappings, generalized and multivalued inverses, graphical convergence of a net of…

Chaotic Dynamics · Physics 2007-05-23 A. Sengupta
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