Tripartite states Bell-nonlocality sudden death in an antiferromagnetic environment

✍ Scribed by Liang Qiu; An Min Wang; Xiao Qiang Su; Xiao San Ma

• Book ID: 104073949
• Publisher: Elsevier Science
• Year: 2008
• Tongue: English
• Weight: 194 KB
• Volume: 281
• Category: Article
• ISSN: 0030-4018
• DOI: 10.1016/j.optcom.2008.07.084

✦ Synopsis

By using spin wave approximation, we show that the tripartite Bell-inequality violations can be fully destroyed in finite time in an antiferrromagnetic environment under an external magnetic field. Furthermore, the class of decoherence-free states have been found out for our model.