A Possible Population-Driven Phase Transition in Cicada Chorus

• 来源期刊: 理论物理通讯（英文版）
• 年，卷（期）: 2009,（6）
• 页码范围: 1055-1061
• 页数: 7页
• 语种: 英文

摘要

We investigate the collective synchronization of cicada chirping. Using both experimental and phenomeno-logical numerical techniques, here we show that the onset of a periodic two-state acoustic synchronous behavior in cicada chorus depends on a critical size of population Nc= 21, above which a typical chorus state appears periodically with a 30second-silence state in between, and further clarify its possibility concerning a new class of phase transition, which is unusually driven by population. This work has relevance to acoustic synchronization and to general physics of phase transition.