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DOES ROTATION OF A HOT SPHERICAL NUCLEUS GENERATE AN OBLATE OR A PROLATE SHAPE

机译:热球形核的旋转会产生扁圆形或扁圆形吗

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摘要

All nuclei have a critical temperature T-c1, where the equilibrium shape is spherical if the temperature is above T-c1 and the rotational frequency is zero. For some nuclei with T > T-c1, a slow rotation of the spherical shape generates a prolate equilibrium shape rotating about its symmetry axis. This opposes the classical expectation that the shape should be oblate. The prolate shape is caused by a quantum shell effect which exists only if the nucleus is rotating. These nuclei have a second shape transition temperature T-c2 > T-c1, where a slow rotation of the spherical nucleus generates a prolate shape if T-c1 < T < T-c2, an oblate shape if T > T-c2, and a shape with beta(2) = 0 and beta(4) not equal 0 if T = T-c2. [References: 15]
机译:所有核均具有临界温度T-c1,如果温度高于T-c1且旋转频率为零,则平衡形状为球形。对于某些T> T-c1的原子核,球形的缓慢旋转会产生绕其对称轴旋转的长圆形平衡形状。这与形状应为扁圆的经典期望相反。扁长形状是由量子壳效应引起的,该量子壳效应仅在核旋转时才存在。这些原子核具有第二个形状转变温度T-c2> T-c1,如果T-c1 T-c2,则扁球形会产生扁圆形。如果T = T-c2,则beta(2)= 0且beta(4)不等于0的形状。 [参考:15]

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