Entanglement as an indicator of a geometrical crossover in a two-electron quantum dot in a magnetic field

被引：0
|
作者：
R. G. Nazmitdinov
N. S. Simonović
机构：
[1] Universitat de les Illes Balears,Departament de Física
[2] Joint Institute for Nuclear Research,Bogoliubov Laboratory of Theoretical Physics
[3] University of Belgrade,Institute of Physics
来源：
JETP Letters | 2013年 / 97卷
关键词：
JETP Letter; Quantum Phase Transition; Linear Entropy; Effective Strength; Effective Confinement;
D O I：
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中图分类号：
学科分类号：
摘要：
We found that a downwardly concave entanglement evolution of the ground state of a two-electron axially symmetric quantum dot testifies that a shape transition from a lateral to a vertical localization of two electrons under a perpendicular magnetic field takes place. Although affected, the two-electron probability density does not exhibit any prominent change.
引用
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页码：199 / 204
页数：5
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