CMOS charge qubits and qudits: entanglement entropy and mutual information as an optimization method to construct CNOT and SWAP Gates,Semiconductor Science and Technology

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CMOS charge qubits and qudits: entanglement entropy and mutual information as an optimization method to construct CNOT and SWAP Gates
Semiconductor Science and Technology ( IF 1.9 ) Pub Date : 2021-07-29 , DOI: 10.1088/1361-6641/abe550
Panagiotis Giounanlis ₁ , Xutong Wu _{1,

2} , Andrii Sokolov _{1,

2} , Nikolaos Petropoulos _{1,

2} , Eugene Koskin ₂ , Imran Bashir ₃ , Dirk Leipold ₃ , Robert Bogdan Staszewski _{1,

2} , Elena Blokhina _{1,

2}

Affiliation

In this paper, we propose an optimization method for the construction of two-qubit and two-qudit quantum gates based on semiconductor position-based charge qubits. To describe the evolution of various quantum states, we use a Hubbard based model and Lindblad formalism. The suggested optimization algorithm uses the time evolution of entanglement entropy and mutual information for the determination of the system parameters to achieve high fidelity gates.

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