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Two-electron entanglement in elliptically deformed quantum dots

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Aug 2010Embargo end date: 01 Aug 2010 English Publisher:Elsevier BVJournal:Physics Letters A, volume 374, pages 3,841-3,846 (issn: 0375-9601, Copyright policy )
Authors: Kościk, Przemysław; Okopińska, Anna;

doi: 10.1016/j.physleta.2010.07.054 , 10.48550/arxiv.1008.4605

arXiv: 1008.4605

Two-electron entanglement in elliptically deformed quantum dots

Abstract

Entropic entanglement measures of a two-dimensional system of two Coulombically interacting particles confined in an anisotropic harmonic potential are discussed in dependence on the anisotropy and the interaction strength. The harmonic approximation appears exact in the strong interaction limit, allowing determination of the asymptotic expression for the linear entropy. Entanglement properties are dramatically influenced by the anisotropy of the confining potential in the strong-correlation regime.

7 pages,5 number

Related Organizations
Keywords

Quantum Physics, Condensed Matter - Strongly Correlated Electrons, Measures of information, entropy, Strongly Correlated Electrons (cond-mat.str-el), Quantum dots as quasi particles, Quantum coherence, entanglement, quantum correlations, natural orbitals, FOS: Physical sciences, Schmidt decomposition, Quantum Physics (quant-ph), Quantum dots, waveguides, ratchets, etc.

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
32
Top 10%
Top 10%
Top 10%
Green
bronze