Entanglement as an indicator of a geometrical crossover in a two-electron quantum dot in a magnetic field
R. G. Nazmitdinov, N. S. Simonovic +
Departament de Física, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia
+Institute of Physics, University of Belgrade, 11001 Belgrade, Serbia
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.