Quantum Chaos and Its Application

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概要

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• The present article is a note of my lecture in the Aizu University at Oct. 1994. The first part is designed to present an outline of the field called Quantum Chaos for primers. The problems in the quantization of classical system in the presence of chaos, the wellestablished results in this subject and the current status of Quantum Chaos are discussed. The second part of this lecture note is devoted to introduce my recent work. Within the framework of the Interacting Boson Model (IBM), we discuss rotational damping, which has a close relation to the transition from order to chaos at high spin states. We discuss the basic mechanism of its appearance by showing, the global properties of the level density and electromagnetic transitions, including their fluctuation properties in the system governed by the quadrupole-quadrupole interaction at highly excited, high spin states. It is demonstrated that an unexpected regularity arises due to a quadrupole-quadrupole interaction at high spin state. We present an articulate elucidation on the importance of the higher multipole interactions, which cause the mixing among highly excited rotational bands. For the damping width of the rotational bands, an explanation based on the SU(3) limit of the IBM is suggested. This work is done under the collaboration with T. Otsuka and P. von Brentano.

• 理論物理学刊行会の論文
• 1997-02-25

著者

• Mizusaki T

  Institute Of Natural Sciences Senshu University

• MIZUSAKI Takahiro

  Department of Physics, University of Tokyo

• Mizusaki Takahiro

  Department Of Physics University Of Tokyo

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