期刊
PHYSICAL REVIEW E
卷 93, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.93.022215
关键词
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资金
- Consejo Nacional de Ciencia y Tecnologia (Conacyt): SEP-Conacyt
- Consejo Nacional de Ciencia y Tecnologia (Conacyt): RedTC-Conacyt, Mexico
Employing efficient diagonalization techniques, we perform a detailed quantitative study of the regular and chaotic regions in phase space in the simplest nonintegrable atom-field system, the Dicke model. A close correlation between the classical Lyapunov exponents and the quantum Participation Ratio of coherent states on the eigenenergy basis is exhibited for different points in the phase space. It is also shown that the Participation Ratio scales linearly with the number of atoms in chaotic regions and with its square root in the regular ones.
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