Deterministic Generation of Quantum State Transfer Between Spatially Separated Single Molecule Magnets

• 来源期刊: 理论物理通讯(英文版)
• 学科: 工学
• 关键词: 单分子磁体 空间分割 量子态 光纤耦合 数值模拟 光纤损耗 相互作用 光纤色散
• 年，卷（期）: 2010,（8）
• 所属期刊栏目: General
• 页码范围: 278-286
• 页数: 9页
• 分类号: TN911.23 TM27
• 语种: 英文

摘要

We propose a new scheme for realizing deterministic quantum state transfer (QST) between two spatiallyseparated single molecule magnets (SMMs) with the framework of cavity quantum electrodynamics (QED).In the presentscheme,two SMMs are trapped in two spatially separated optical cavities coupled by an optical fiber.Through strictlynumerically simulating,we demonstrate that our scheme is robust with respect to the SMMs' spontaneous decay andfiber loss under the conditions of dispersive SMMs-field interaction and strong coupling of cavity fiber.In addition,wealso discuss the influence of photon leakage out of cavities and show that our proposal is good enough to demonstrate thegeneration of QST with high fidelity utilizing the current experimental technology.The present investigation providesresearch opportunities for realizing QST between solid-state qubits and may result in a substantial impact on the progressof solid-state-based quantum communications network.