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Diatomic molecule as a quantum entanglement switch

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Title: Diatomic molecule as a quantum entanglement switch
Authors: Rycerz, Adam1 rycerz@th.if.uj.edu.pl
Source: Physica B. Apr2008, Vol. 403 Issue 5-9, p1534-1536. 3p.
Subjects: Diatomic molecules, Quantum dots, Low temperatures, Renormalization (Physics), Conferences & conventions
Abstract: Abstract: We investigate a pair entanglement of electrons in diatomic molecule, modeled as a correlated double quantum dot attached to the leads. The low-temperature properties are derived from the ground state obtained by utilizing the Rejec–Ramšak variational technique within the framework of EDABI method, which combines exact diagonalization with ab initio calculations. The results show, that single-particle basis renormalization modifies the entanglement-switch effectiveness significantly. We also found the entanglement signature of a competition between an extended Kondo and singlet phases. [Copyright &y& Elsevier]
Copyright of Physica B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 31396348
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Diatomic molecule as a quantum entanglement switch
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  Data: <searchLink fieldCode="AR" term="%22Rycerz%2C+Adam%22">Rycerz, Adam</searchLink><relatesTo>1</relatesTo><i> rycerz@th.if.uj.edu.pl</i>
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  Data: <searchLink fieldCode="DE" term="%22Diatomic+molecules%22">Diatomic molecules</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+dots%22">Quantum dots</searchLink><br /><searchLink fieldCode="DE" term="%22Low+temperatures%22">Low temperatures</searchLink><br /><searchLink fieldCode="DE" term="%22Renormalization+%28Physics%29%22">Renormalization (Physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Conferences+%26+conventions%22">Conferences & conventions</searchLink>
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  Label: Abstract
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  Data: Abstract: We investigate a pair entanglement of electrons in diatomic molecule, modeled as a correlated double quantum dot attached to the leads. The low-temperature properties are derived from the ground state obtained by utilizing the Rejec–Ramšak variational technique within the framework of EDABI method, which combines exact diagonalization with ab initio calculations. The results show, that single-particle basis renormalization modifies the entanglement-switch effectiveness significantly. We also found the entanglement signature of a competition between an extended Kondo and singlet phases. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Physica B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.physb.2007.10.182
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      – Code: eng
        Text: English
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      – SubjectFull: Diatomic molecules
        Type: general
      – SubjectFull: Quantum dots
        Type: general
      – SubjectFull: Low temperatures
        Type: general
      – SubjectFull: Renormalization (Physics)
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      – SubjectFull: Conferences & conventions
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      – TitleFull: Diatomic molecule as a quantum entanglement switch
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              Text: Apr2008
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              Y: 2008
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