Boundary effects on entropy and two-site entanglement of the spin-1 valence-bond solid
文献类型：期刊论文
| 作者 | Fan, H ; Korepin, V ; Roychowdhury, V ; Hadley, C ; Bose, S |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2007 |
| 卷号 | 76期号:1 |
| ISSN号 | 1098-0121 |
| 中文摘要 | We investigate the von Neumann entropy of a block of subsystem for the valence-bond solid (VBS) state with general open boundary conditions. We show that the effect of the boundary on the von Neumann entropy decays exponentially fast in the distance between the subsystem considered and the boundary sites. Further, we show that as the size of the subsystem increases, its von Neumann entropy exponentially approaches the summation of the von Neumann entropies of the two ends, the exponent being related to the size. In contrast to critical systems, where boundary effects to the von Neumann entropy decay slowly, the boundary effects in a VBS, a noncritical system, decay very quickly. We also study the entanglement between two spins. Curiously, while the boundary operators decrease the von Neumann entropy of L spins, they increase the entanglement between two spins. |
| 收录类别 | SCI |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/34314]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Fan, H,Korepin, V,Roychowdhury, V,et al. Boundary effects on entropy and two-site entanglement of the spin-1 valence-bond solid[J]. PHYSICAL REVIEW B,2007,76(1). |
| APA | Fan, H,Korepin, V,Roychowdhury, V,Hadley, C,&Bose, S.(2007).Boundary effects on entropy and two-site entanglement of the spin-1 valence-bond solid.PHYSICAL REVIEW B,76(1). |
| MLA | Fan, H,et al."Boundary effects on entropy and two-site entanglement of the spin-1 valence-bond solid".PHYSICAL REVIEW B 76.1(2007). |
入库方式： OAI收割
来源：物理研究所
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