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Quantum Algorithms
Entanglement in S states of two-electron quantum dots with Coulomb impurities at the center
arXiv
Authors: Przemyslaw Koscik
Year
2013
Paper ID
33693
Status
Preprint
Abstract Read
~2 min
Abstract Words
80
Citations
N/A
Abstract
We study a system of two Coulombically interacting electrons in an external harmonic potential in the presence of an on-centre Coulomb impurity. Detailed results for the dependencies of the reduced von Neumann entropy on the control parameters of the system are provided for both the ground state and the triplet S states with the lowest energy. Among other features, it is found that in the weak confinement regime the entanglement is strongly affected by the presence of an acceptor impurity.
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- It adds a 2013 reference point for readers tracking recent quantum research.
- We study a system of two Coulombically interacting electrons in an external harmonic potential in the presence of an on-centre Coulomb impurity.
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