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Control of the entanglement between triple quantum dot molecule and its spontaneous emission fields via quantum entropy
Affiliation:1. Research Institute for Applied Physics and Astronomy, University of Tabriz, Tabriz, Iran;2. Young Researchers Club, Shahre Kord Branch, Islamic Azad University, Shahre Kord, Iran;1. Department of Mathematics, Comsats Institute of Information Technology, Islamabad 44000, Pakistan;2. Department of Mathematics, Quaid-I-Azam University 45320, Islamabad 44000, Pakistan;3. Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;1. Department of Applied Physics, National Pingtung University, Pingtung 900, Taiwan;2. Graduate Institute of Electro-Optical Engineering, Chang Gung University, Tao-Yuan 333, Taiwan;3. Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei 116, Taiwan
Abstract:
The time evolution of the quantum entropy in a coherently driven triple quantum dot molecule is investigated. The entanglement of the quantum dot molecule and its spontaneous emission field is coherently controlled by the gate voltage and the rate of an incoherent pump field. The degree of entanglement between a triple quantum dot molecule and its spontaneous emission fields is decreased by increasing the tunneling parameter.
Keywords:Quantum dots  Entanglement  Quantum entropy
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