Antiparallel spin does not always contain more information

被引：5
|
作者：
Ghosh, Sibasish [1 ]
Roy, Anirban [1 ]
Sen, Ujjwal [2 ]
机构：
[1] Physics and Applied Mathematics Unit, Indian Statistical Institute, 203 BT Road, Calcutta-700035, India
[2] Department of Physics, Bose Institute, 93/1 APC Road, Calcutta-700009, India
来源：
Physical Review A - Atomic, Molecular, and Optical Physics | 2001年 / 63卷 / 01期
关键词：
Electron energy levels - Mathematical operators - Mathematical transformations - Vectors;
D O I：
10.1103/PhysRevA.63.014301
中图分类号：
学科分类号：
摘要：
Parallel to antiparallel transformation of Bloch vectors on any large circle was studied to determine the antiparallel spin characteristics. The vectors constitute the largest set for which the parallel states are transformed to their corresponding antiparallel states. But if the antiparallel states span the whole Gilbert space, then a probabilistic exact parallel to antiparallel transformation ceases to exist. Inferences also indicate that information about the arbitrary vectors are available more from their corresponding antiparallel states than from the parallel ones.
引用
收藏
页码：014301 / 014301
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