On single-copy entanglement
量子物理
2009-11-11 v2 统计力学
摘要
The largest eigenvalue of the reduced density matrix for quantum chains is shown to have a simple physical interpretation and power-law behaviour in critical systems. This is verified numerically for XXZ spin chains.
引用
@article{arxiv.quant-ph/0509002,
title = {On single-copy entanglement},
author = {Ingo Peschel and Jize Zhao},
journal= {arXiv preprint arXiv:quant-ph/0509002},
year = {2009}
}
备注
4 pages, 2 figures, note added, typo corrected