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Design And Research Of Hybrid Quantum Computing Model

Posted on:2019-06-16Degree:MasterType:Thesis
Country:ChinaCandidate:X XuFull Text:PDF
GTID:2370330569978660Subject:Electrical engineering
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Quantum computation is a foreword discipline that uses information from the principles of quantum mechanics,the study of quantum computing theory in recent decades shows that quantum computing is superior to classical calculations in dealing with many complex problems,especially in the areas of database search,large number decomposition,and global optimization,quantum computing has very attractive prospects.However,several major quantum computing models currently have different advantages and disadvantages.However,several major quantum computing models currently have different advantages and disadvantages,Therefore,the disadvantages of the measurement-based quantum computing model that consumes large quantum bit resources and that the quantum bus model cannot perform local unit transformation,a new scheme of hybrid quantum computing model is proposed.This paper first analyzes the characteristics of the quantum circuit model,the measurement based quantum computation,and the quantum bus model,based on this,a hybrid quantum computing model based on measurement and quantum bus is proposed.The model introduces intermediary particles in the quantum bus model to assist in the preparation of key-step cluster states in a measurement-based quantum computing model.Then,an application example of a hybrid quantum computing model is designed with reference to the structure of the FPGA: a hybrid quantum system architecture based on FPGA,the quantum structure is composed of a quantum logic unit and a quantum wiring resource,and functions to complete the quantum logic gate and connect the quantum logic units.In addition,it is also verified theoretically that the error threshold of this hybrid quantum system structure is less than 0.01,which ensures the correctness of the structure.Finally,the dissertation studies the construction of the universal quantum gate based on the FPGA-based hybrid quantum architecture and the method of implementing the quantum Grover search algorithm,specifically,ZXZ decomposition is used for single quantum gates,and multi-quantum bit gates use Cosine-sine decomposition and quantum Shannon decomposition to realize the construction of quantum gates.And the simulation of the hybrid quantum system structure is verified by quantum computing language QCL,the simulation results intuitively show the number of iterations,success rate,and search process of the quantum Grover search algorithm.The consistency of theoretical analysis and experimental simulation fully demonstrates the feasibility of the hybrid quantum computing model.
Keywords/Search Tags:Quantum computation model, Quantum algorithm, Quantum measurement, cluster states
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