The Correlation Entropy as a Measure of the Complexity of High-Lying Single-Particle Modes

Journal Article · Mon Nov 21 00:00:00 EST 2005 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2140639· OSTI ID:20719702

Stoyanov, Chavdar ^[1]; Zelevinsky, Vladimir ^[2]

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1. Institute for Nuclear Research and Nuclear Energy, Tzarigradsko Chaussee 72, 1784 Sofia (Bulgaria)
2. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321 (United States)

Highly-excited single-particle states in nuclei are coupled with the excitations of a more complex character, first of all with collective phonon-like modes of the core. In the framework of the quasiparticle-phonon model we consider the structure of resulting complex configurations using the 1k17/2 orbital in 209Pb as an example. The eigenstates of the model carry significant degree of complexity that can be quantified with the aid of correlational invariant entropy. With artificially enhanced particle-core coupling, the system undergoes the doubling phase transition with the quasiparticle strength concentrated in two repelling peaks.

• OSTI ID: 20719702
• Journal Information: AIP Conference Proceedings, Vol. 802, Issue 1; Conference: ENS'05: International symposium on exotic nuclear systems, Debrecen (Hungary), 20-25 Jun 2005; Other Information: DOI: 10.1063/1.2140639; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CORRELATIONS
COUPLING
EIGENSTATES
ENTROPY
EXCITATION
LEAD 209
PHONONS
QUASIPARTICLE-PHONON MODEL
SINGLE-PARTICLE MODES