Unveiling quantum features of time-dependent electron spins influenced by Zeeman energy and symmetric cross spin.

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Title: Unveiling quantum features of time-dependent electron spins influenced by Zeeman energy and symmetric cross spin.
Authors: Reda, Esraa1 (AUTHOR) Esraa.Reda@women.asu.edu.eg, Abd-Rabbou, M Y2,3 (AUTHOR) m.elmalky@azhar.edu.eg, Ali, S I3 (AUTHOR), Khalil, Eied M4 (AUTHOR) eiedkhalil@tu.edu.sa, Obada, A-S F3 (AUTHOR)
Source: Journal of Physics B: Atomic, Molecular & Optical Physics. 2025, Vol. 58 Issue 20, p1-10. 10p.
Subjects: Quantum entanglement, Zeeman effect, Dipole-dipole interactions, Quantum coherence, Spin-spin interactions, Quantum correlations
Abstract: This paper investigates quantum correlations between two identical spin-1/2 particles linked by long-range dipolar interactions. A time-dependent symmetric cross-spin interaction and an external homogeneous magnetic field that varies with time are also applied to the system. Quantum correlations, such as entanglement, steering, and steered quantum coherence, are quantified using concurrence, three-steering functions, and the l 1 norm measure of coherence, respectively. These quantum correlations are examined based on the direction of interaction for dipole–dipole interactions along either the x -axis or z -axis and are symmetric concerning Zeeman energy along these axes. The maximal bounds of all three quantifiers are obtained by increasing the frequency of the time-dependent and symmetric coupling parameters. These maximal bounds significantly strengthen when considering symmetric and Zeeman interactions along the x -axis; however, the pinnacle of entanglement is reached in perpendicular configurations. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Physics B: Atomic, Molecular & Optical Physics is the property of IOP Publishing 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.)
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  Data: Unveiling quantum features of time-dependent electron spins influenced by Zeeman energy and symmetric cross spin.
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  Data: <searchLink fieldCode="AR" term="%22Reda%2C+Esraa%22">Reda, Esraa</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> Esraa.Reda@women.asu.edu.eg</i><br /><searchLink fieldCode="AR" term="%22Abd-Rabbou%2C+M+Y%22">Abd-Rabbou, M Y</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> m.elmalky@azhar.edu.eg</i><br /><searchLink fieldCode="AR" term="%22Ali%2C+S+I%22">Ali, S I</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Khalil%2C+Eied+M%22">Khalil, Eied M</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> eiedkhalil@tu.edu.sa</i><br /><searchLink fieldCode="AR" term="%22Obada%2C+A-S+F%22">Obada, A-S F</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Physics+B%3A+Atomic%2C+Molecular+%26+Optical+Physics%22">Journal of Physics B: Atomic, Molecular & Optical Physics</searchLink>. 2025, Vol. 58 Issue 20, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Quantum+entanglement%22">Quantum entanglement</searchLink><br /><searchLink fieldCode="DE" term="%22Zeeman+effect%22">Zeeman effect</searchLink><br /><searchLink fieldCode="DE" term="%22Dipole-dipole+interactions%22">Dipole-dipole interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+coherence%22">Quantum coherence</searchLink><br /><searchLink fieldCode="DE" term="%22Spin-spin+interactions%22">Spin-spin interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+correlations%22">Quantum correlations</searchLink>
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  Data: This paper investigates quantum correlations between two identical spin-1/2 particles linked by long-range dipolar interactions. A time-dependent symmetric cross-spin interaction and an external homogeneous magnetic field that varies with time are also applied to the system. Quantum correlations, such as entanglement, steering, and steered quantum coherence, are quantified using concurrence, three-steering functions, and the l 1 norm measure of coherence, respectively. These quantum correlations are examined based on the direction of interaction for dipole–dipole interactions along either the x -axis or z -axis and are symmetric concerning Zeeman energy along these axes. The maximal bounds of all three quantifiers are obtained by increasing the frequency of the time-dependent and symmetric coupling parameters. These maximal bounds significantly strengthen when considering symmetric and Zeeman interactions along the x -axis; however, the pinnacle of entanglement is reached in perpendicular configurations. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Physics B: Atomic, Molecular & Optical Physics is the property of IOP Publishing 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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        Value: 10.1088/1361-6455/adf92b
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        Text: English
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        PageCount: 10
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      – SubjectFull: Quantum entanglement
        Type: general
      – SubjectFull: Zeeman effect
        Type: general
      – SubjectFull: Dipole-dipole interactions
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      – SubjectFull: Quantum coherence
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      – SubjectFull: Spin-spin interactions
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      – SubjectFull: Quantum correlations
        Type: general
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              Text: 2025
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