Essays about: "Non-adiabatic quantum gate"

Found 5 essays containing the words Non-adiabatic quantum gate.

  1. 1. Time-optimal holonomic quantum computation

    University essay from Uppsala universitet/Materialteori

    Author : Gabriel O. Alves; [2022]
    Keywords : Holonomic quantum computation; Open quantum systems; Non-adiabatic quantum gate; Geometrical phase;

    Abstract : A three-level system can be used in a Λ-type configuration in order to construct auniversal set of non-adiabatic quantum gates through the use of non-Abelian non-adiabatic geometrical phases. Such construction allows for high-speed operation times which diminish the effects of decoherence. READ MORE

  3. 2. Holonomic Optimal Control for Qudits

    University essay from Uppsala universitet/Institutionen för informationsteknologi

    Author : Tomas André; [2022]
    Keywords : ;

    Abstract : Non-adiabatic Holonomic Quantum Computation (NHQC) is a method used to implement quantum gates with holonomies that arise solely from non-Abelian geometric phases. Due to high noise tolerance these phases can be used to construct resiliant quantum gates. READ MORE

  4. 3. Studies on Reverse Engineering of Constant Frequence Geometric Quantum Gates

    University essay from Uppsala universitet/Materialteori

    Author : Wu Zijin; [2022]
    Keywords : ;

    Abstract : Geometric Quantum Computation (GQC) is one of the effective methods to realizequantum computation. By using geometric phases, it shows robustness to certainerrors. This thesis aims to develop a new systematic technique for implementing GQC,especially in non-adiabatic systems. READ MORE

  5. 4. Sequential Holonomic Quantum Gates : Open Path Holonomy in Λ-configuration

    University essay from Uppsala universitet/Materialteori

    Author : Emmi Herterich; [2016]
    Keywords : Quantum Gate; Holonomy; Geometric Phase;

    Abstract : In the Λ-system, non-adiabatic holonomic quantum phases are used to construct holonomic quantum gates. An interesting approach would be to implement open path holonomies in the Λ-system. By dividing the loop into two curve segments with a unitary transformation between them, universality can be reached. READ MORE

  6. 5. Fidelity of geometric and holonomic quantum gates for spin systems

    University essay from Uppsala universitet/Teoretisk kemi

    Author : Daniel Töyrä; [2014]
    Keywords : geometric quantum gates; holonomic quantum gates; operator fidelity;

    Abstract : Geometric and holonomic quantum gates perform transformations that only dependon the geometry of a loop covered by the parameters controlling the gate. Thesegates require adiabatic time evolution, which is achieved in the limit when the looptakes infinite time to complete. READ MORE