Wave-packet revivals for quantum systems with nondegenerate energies

被引:47
作者
Bluhm, R [1 ]
Kostelecky, VA [1 ]
Tudose, B [1 ]
机构
[1] INDIANA UNIV,DEPT PHYS,BLOOMINGTON,IN 47405
基金
美国国家科学基金会;
关键词
D O I
10.1016/0375-9601(96)00641-X
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The revival structure of wave packets is examined for quantum systems having energies that depend on two nondegenerate quantum numbers. For such systems, the evolution of the wave packet is controlled by two classical periods and three revival times. These wave packets exhibit quantum beats in the initial motion as well. as new types of long-term revivals, The issue of whether fractional revivals can form is addressed. We present an analytical proof showing that at certain times equal to rational fractions of the revival times the wave packet can reform as a sum of subsidiary waves and that both conventional and new types of fractional revivals can occur.
引用
收藏
页码:220 / 226
页数:7
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