发表机构
Center for Quantum Science and Engineering and Department of Physics, Stevens Institute of Technology（史蒂文斯理工学院量子科学与工程中心及物理系）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
该研究推广Law与Eberly的工作，提出利用三能级辅助原子并行移动两个激发，将演化步骤减半，并推导解析控制场表达式，减少误差累积，提升任意量子态生成效率。
AI 中文摘要
我们推广了Law与Eberly的开创性工作，并提出一种协议，以三能级原子作为辅助粒子，以更高效的方式生成任意量子态。该协议在每个控制步骤中并行移动两个激发，从而将演化步骤数减少一半。我们推导了控制场强度和时机的完整解析表达式。系统动力学暴露于控制场时机和幅度误差累积的机会更少，并在量子速度极限的背景下进行了定量研究。
英文摘要
We generalized the seminal work of Law & Eberly, and propose a protocol to generate arbitrary quantum states with a three-level atom as an ancilla in a more efficient manner. This protocol moves two excitations in parallel in each control step, thus reducing the number of evolution steps by half. Full analytical expressions for the control field strengths and timings are derived. The system dynamics is exposed to less chance of error accumulation in the timing and amplitudes of the control fields, and quantitative study in the context of the quantum speed limit is also considered.
Comments14 pages, 6 figures
