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        物理科學與技術學院學術報告:Initializing a permutation-invariant quantum error-correction code

        報告題目:Initializing a permutation-invariant quantum error-correction code

        報告人:王藝敏 博士  (陸軍工程大學, 通信工程學院)

        報告時間:201971210:30

        報告地點:物理科技樓343

        報告邀請人:董裕力

        報告摘要:Recently, there has been growing interest in using quantum error correction in practical devices. A central issue in quantum error correction is the initialization of quantum data into a quantum error-correction code. Most studies have concentrated on generating quantum codes based on their encoding quantum circuits. However, this often leads to a large number of steps required in the initialization, and hence this process can be prone to errors. The purpose of this work is to demonstrate that permutation-invariant quantum error-correction codes can be created with high fidelity by exploiting their underlying symmetry. The code is initialized on multiple qubits that mutually interact or are themselves coupled to a quantum harmonic oscillator. We show that the so-called selective resonant interaction is derivable on such physical systems. By utilizing the selective resonant interaction, these highly symmetric codes may be rapidly generated with excellent fidelity. We also discuss the potential of initializing permutation-invariant quantum error-correction codes based on the state-of-art experimental techniques.

         


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