Chaos and ergodicity in entangled non-ideal Bohmian qubits

A.C. Tzemos and G. Contopoulos

Chaos, Solitons & Fractals, 2022, vol. 156, issue C

Abstract: We study the Bohmian dynamics of a large class of bipartite systems of non-ideal qubit systems, by modifying the basic physical parameters of an ideal two-qubit system, made of coherent states of the quantum harmonic oscillator. First we study the case of coherent states with truncated energy levels and large amplitudes. Then we study non-truncated coherent states but with small amplitudes and finally a combination of the above cases. In all cases we find that the chaotic Bohmian trajectories are approximately ergodic. We also study the number and the spatial arrangement of the nodal points of the wavefunction and their role both in the formation of chaotic-ergodic trajectories, and in the emergence of ordered trajectories. Our results have strong implications on the dynamical establishment of Born’s rule.

Keywords: Bohmian chaos; Ergodicity; Entanglement; Qubits (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:156:y:2022:i:c:s0960077922000388

DOI: 10.1016/j.chaos.2022.111827

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