Effect of Induced Transition on the Quantum Entanglement and Coherence in Two‐Coupled Double Quantum Dot System-Reference-Cited by-同舟云学术

Effect of Induced Transition on the Quantum Entanglement and Coherence in Two‐Coupled Double Quantum Dot System

Published:2023-02-03 Issue:3 Volume:535 Page:
ISSN:0003-3804
Container-title:Annalen der Physik
language:en
Short-container-title:Annalen der Physik

Author:

Dahbi Zakaria¹^ORCID,Anka Maron F.²,Mansour Mostafa³,Rojas Moisés⁴,Cruz Clebson⁵

Affiliation:

1. Lab of High Energy Physics‐Modeling and Simulation, Faculty of Sciences Mohammed V University in Rabat 4 Avenue Ibn Battouta B.P., 1014 RP Rabat Morocco

2. Instituto de Física Universidade Federal Fluminense Av. Gal. Milton Tavares de Souza s/n 24210‐346 Niterói, Rio de Janeiro Brazil

3. Laboratory of High Energy Physics and Condensed Matter, Department of Physics, Faculty of Sciences of Ain Chock Hassan II University P.O. Box 5366 Maarif Casablanca 20100 Morocco

4. Departamento de Física Universidade Federal de Lavras 37200‐900 Lavras‐MG Brazil

5. Grupo de Informação Quântica e Física Estatística, Centro de Ciências Exatas e das Tecnologias Universidade Federal do Oeste da Bahia—Campus Reitor Edgard Santos Rua Bertioga, 892, Morada Nobre I Barreiras Bahia 47810‐059 Brazil

Abstract

AbstractStudying quantum properties in solid‐state systems is a significant avenue for research. In this scenario, double quantum dots appear as a versatile platform for technological breakthroughs in quantum computation and nanotechnology. This work inspects the thermal entanglement and quantum coherence in two‐coupled DODs, where the system is exposed to an external stimulus that induces an electronic transition within each subsystem. The results show that the introduction of external stimulus induces a quantum level crossing that relies upon the Coulomb potential changing the degree of quantum entanglement and coherence of the system. Thus, the quantum properties of the system can be tuned by changing the transition frequency, leading to the enhancement of its quantum properties.

Funder

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Publisher

Wiley

Subject

General Physics and Astronomy

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1002/andp.202200537

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