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Entanglement in helium

Name: Entanglement in helium
Keywords: Quantum Physics, FOS: Physical sciences, Quantum Physics (quant-ph)

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Apr 2013Embargo end date: 01 Jan 2012 Italy Publisher:Springer Science and Business Media LLCJournal:The European Physical Journal D, volume 67 (issn: 1434-6060, eissn: 1434-6079,

Authors: Giuliano Benenti; Giuliano Benenti; Stefano Siccardi; Giuliano Strini;

doi: 10.1140/epjd/e2013-40080-y , 10.48550/arxiv.1204.6667

arXiv: http://arxiv.org/abs/1204.6667

handle: 11383/1848718

Entanglement in helium

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Abstract

Using a configuration-interaction variational method, we accurately compute the reduced, single-electron von Neumann entropy for several low-energy, singlet and triplet eigenstates of helium atom. We estimate the amount of electron-electron orbital entanglement for such eigenstates and show that it decays with energy.

5 pages, 2 figures, added references and discussion

Country

Italy

Related Organizations

University of Milan
Italy
National Institute for Nuclear Physics
Italy
University of Insubria
Italy
Università dell Insubria (Varese)
Italy

Keywords

Quantum Physics, FOS: Physical sciences, Quantum Physics (quant-ph)

Impact byBIP!

	citations 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).	41
	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.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%

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Top 10%

Green

bronze