3 papers
quant-ph2025
Jenga-Krotov algorithm: Efficient compilation of multi-qubit gates for exchange-only qubits
Jiahao Wu, Guanjie He, Wenyuan Zhuo +2
Exchange-only (EO) qubits, implemented in triple-quantum-dot systems, offer a compelling platform for scalable semiconductor-based quantum computing by enabling universal control t…
quant-ph2024
Phonon Dephasing, Entanglement and Exchange-Only Toffoli Gate Sequence in Quantum Dot Spin Chains
Guanjie He
The quantum dot spin chain system is vital for quantum simulation and studying collective electron behaviors, necessitating an understanding of its mechanisms and control protocols…
cond-mat.mes-hall2024
Exploring Entanglement Spectrum and Phase Diagram in multi-electron Quantum Dot Chains
Guanjie He, Xin Wang
We investigate the entanglement properties in semiconductor quantum dot systems modeled by extended Hubbard model, focusing on the impact of potential energy variations and electro…