用壳模型蒙特卡罗方法研究加热旋转核中的成对再进入现象
Pairing Reentrance Phenomenon in Heated Rotating Nuclei in the Shell Model Monte Carlo Approach
摘要:
用微观壳模型蒙特卡罗方法研究了~(72)Ge的转动运动。我们研究了J π库珀对的角动量排列和核配对关联随转动频率和温度的变化。在高旋转频率下,预测了与温度的配对相关性的重新进入。它通过比热和能级密度的反常行为表现出来。
英文摘要:
Rotational motion of heated 72-Ge is studied within the microscopic Shell Model Monte Carlo approach. We investigate the the angular momentum alignment and nuclear pairing correlations associated with J-pi Cooper pairs as a function of the rotational frequency and temperature. The reentrance of pairing correlations with temperature is predicted at high rotational frequencies. It manifests itself through the anomalous behavior of specific heat and level density.
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