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A Highly Simplified Correlated Variational Study of the Singlet‐Triplet Transition in Quantum Dots embedded in Kagome Lattice

The two‐electron man‐made quantum dot is one of the promising methods to building quantum computers. The goal is to use the singlet‐triplet transition of the two electrons in this system as qubits. In our study, we have investigated the Kagome lattice, which is a special form of 2D lattices, using a t‐U‐V‐J model. The analytical method used is the highly simplified correlated variational approach (HSCVA) which we have developed for lattice models. We obtain from the HSCVA the ground state energy and wavefunction for various sizes of the Kagome lattice at various parameter regimes. The results are then analyzed in addition to other quantities obtained from the ground state energy. The results showed that some compounds having the Kagome lattice systems can be easily tuned as hosts for quantum dots.