中文

通过反馈量化与控制有限量子系统中的非 Markov 演化

量子物理 2014-05-28 v4

摘要

我们考虑了限制在与可变尺寸有限热库接触的腔内的连续量子力学系统的幺正时间演化。针对此类有限系统 - 热库构型,利用时间演化波包的 Hilbert-Schmidt 距离开发了 Markov 性度量。我们识别了相关的时间尺度,这些尺度表征了伪 Markov 瞬态行为、中间时刻由边界散射引起的非 Markov 振荡,以及长时间尺度的非 Markov 重聚事件。研究表明,如何通过热库尺寸和系统 - 热库耦合强度等可调参数来控制这些时间尺度。

关键词

引用

@article{arxiv.1312.0396,
  title  = {Quantification and Control of non-Markovian Evolution in Finite Quantum Systems via Feedback},
  author = {Nicholas Chancellor and Christoph Petri and Lorenzo Campos Venuti and Anthony F. J. Levi and Stephan Haas},
  journal= {arXiv preprint arXiv:1312.0396},
  year   = {2014}
}

备注

7 pages, 7 figures, Revised version with text made more clear and figure 1 improved. Author names changed from initials to full first names title changed from 'Control of Pseudo-Markovian Evolution in Finite Quantum Systems via Feedback'. Title later changed to current title. Minor revision in third version at editors request