论文标题
相关引起的连贯性及其在检测量子相变的使用
Correlation-induced coherence and its use in detecting quantum phase transitions
论文作者
论文摘要
过去二十年来，人们目睹了探索相关性和相干措施的兴趣激增，以研究量子相变（QPTS）。在这里，由于沿着这个方向的持续推动，我们提出了一种措施，该措施是建立在所谓的连贯程度上的，并使用我们的度量敏感性来检测QPT。我们表明，我们的度量可以捕获两分状态中相干性和相关性的概念，因此代表了这两个概念的混合体。通过检查XXZ模型和Kitaev Honeycomb模型，我们证明了与许多以前的建议相比，我们的度量有利于检测QPT。
The past two decades have witnessed a surge of interest in exploring correlation and coherence measures to investigate quantum phase transitions (QPTs). Here, motivated by the continued push along this direction, we propose a measure which is built upon the so-called degree of coherence, and advocate using the susceptibility of our measure to detect QPTs. We show that our measure can capture both the notions of coherence and correlations exhibited in bipartite states and therefore represents a hybrid of these two notions. Through examining the XXZ model and the Kitaev honeycomb model, we demonstrate that our measure is favorable for detecting QPTs in comparison to many previous proposals.
