Förster Interaction as a Control Mechanism for Quantum Tunneling Current in Coupled Donor-Acceptor Quantum Dots

Förster Interaction as a Control Mechanism for Quantum Tunneling Current in Coupled Donor-Acceptor Quantum Dots | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Förster Interaction as a Control Mechanism for Quantum Tunneling Current in Coupled Donor-Acceptor Quantum Dots D. A. M. Abo-Kahla, M. E. Shaheen This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8910531/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 6 You are reading this latest preprint version Abstract The analytical solution of the system consisting of donor-acceptor double quantum dots of approximately the same size, located inside a high-quality cavity is studied. The double quantum dots interact with the same phonon fields within the cavity, as well as with a single-mode electromagnetic field. The effect of the modified Förster interaction strength coefficient on the atomic occupation probabilities, ρ11(t), ρ22(t), the atomic population inversion ρz(t), the von Neumann entropy, the information entropies H(σx), H(σy) and H(σz), quantum Fisher information (FI ) and quantum coherence (Qc) of this system are investigated. The results clearly show that the modified Förster interaction strength coefficient (Ω) plays a pivotal role in controlling the dynamics of the coupled quantum dot system, where the interaction between quantum dots accelerates energy transfer and information exchange processes within the system. Hence, under the influence of the Förster interaction, which occurs when the donor’s emission spectrum overlaps with the acceptor’s absorption spectrum, a quantum tunneling current is generated between the two quantum dots using photons from negatively charged excitons. Also, the ability to control the degree of entanglement through Ω provides a mechanism to tune the properties of the quantum system. Förster interaction Quantum Tunneling Current Donor-Acceptor Quantum Dots Entropy Fisher Information Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Review Version 1 posted Reviews received at journal 25 Apr, 2026 Reviewers agreed at journal 20 Apr, 2026 Reviewers invited by journal 13 Apr, 2026 Editor assigned by journal 19 Feb, 2026 Submission checks completed at journal 19 Feb, 2026 First submitted to journal 18 Feb, 2026 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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