Modulated periodic entanglement of magnons in a ferromagnet

✍ Scribed by Bo Zhang; Yun-Xia Ping

• Publisher: Elsevier Science
• Year: 2007
• Tongue: English
• Weight: 145 KB
• Volume: 391
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/j.physb.2006.10.025

✦ Synopsis

We investigate the entanglement dynamics of magnons in a ferromagnet by using the entanglement criterion proposed by Duan et al. [Phys. Rev. Lett. 84 (2000) 2722]. We show that the entanglement occurs periodically with time, and discuss the effect of the external field on the magnon entangled states.