通过环境耗散率增长实现量子相干性守恒
量子物理
2007-10-24 v2
摘要
研究表明,量子相干性守恒可以通过与主系统耦合的环境系统的极高速耗散来实现。这种效应不在先前已知的噪声抑制策略之列,如Zeno效应、动力学解耦、量子纠错码和无消相干子空间。我们针对与环境单量子比特(该环境量子比特快速耗散)耦合的单量子比特简化模型,给出了解析解。我们还通过数值评估,展示了自旋-玻色子线性耦合模型中相干性守恒的例子。
引用
@article{arxiv.0709.0562,
title = {Quantum Coherence Conservation by Growth in Environmental Dissipation Rate},
author = {Akira SaiToh and Robabeh Rahimi and Mikio Nakahara},
journal= {arXiv preprint arXiv:0709.0562},
year = {2007}
}
评论
5 pages, 6 figures, elsart, original title: Quantum Wipe Effect for Coherence Conservation, v2: correction in the solution of (2), figures added