Prediction of quantum many-body chaos in protactinium atom

6533b7d2fe1ef96bd125ec9c

RESEARCH PRODUCT

Prediction of quantum many-body chaos in protactinium atom

A. V. Viatkina Mikhail Kozlov Victor V. Flambaum Victor V. Flambaum

subject

Physics Atomic Physics (physics.atom-ph)010308 nuclear & particles physics Chaotic FOS: Physical sciences Parity (physics)Configuration interaction 01 natural sciences Quantum chaos Physics - Atomic Physics Total angular momentum quantum number Quantum mechanics 0103 physical sciences Statistical theory 010306 general physics Quantum Eigenvalues and eigenvectors

description

Energy level spectrum of protactinium atom (Pa, Z=91) is simulated with a CI calculation. Levels belonging to the separate manifolds of a given total angular momentum and parity $J^\pi$ exhibit distinct properties of many-body quantum chaos. Moreover, an extremely strong enhancement of small perturbations takes place. As an example, effective three-electron interaction is investigated and found to play a significant role in the system. Chaotic properties of the eigenstates allow one to develop a statistical theory and predict probabilities of different processes in chaotic systems.

year	journal	country	edition	language
2017-02-06

10.1103/physreva.95.022503 http://arxiv.org/abs/1611.01028

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