New approach to level statistics of coupled quartic oscillators

DOI10.1016/S0010-4655(01)00330-7zbMath1011.81088OpenAlexW2068259826MaRDI QIDQ5956313

Mitsuyoshi Tomiya, Naotaka Yoshinaga

Publication date: 20 February 2002

Published in: Computer Physics Communications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0010-4655(01)00330-7

zbMATH Keywords

Wigner distributionBerry-Robnik (BR) distributionBerry-Robnik-Brody (BRB) distributionBrody distributionchaotic regimenearest neighbor level spacing distributionspectrum of nucleitwo-dimensional coupled quartic oscillators

Mathematics Subject Classification ID

Quantum chaos (81Q50) Computational methods for problems pertaining to quantum theory (81-08) Phase-space methods including Wigner distributions, etc. applied to problems in quantum mechanics (81S30) Molecular physics (81V55)

Cites Work

• Semiclassical level spacings when regular and chaotic orbits coexist
• Semiclassical energy level statistics in the transition region between integrability and chaos: transition from Brody-like to Berry-Robnik behaviour

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