Breakdown of Effective Phonon Theory in One-Dimensional Chains with Asymmetric Interactions

• 作 者: Yong Zhang Shunda Chen Jiao Wang Hong Zhao
• 机 构: Department of Physics,Xiamen University,China
• 出 处: 中国物理学会2013年秋季学术会议
• 发表日期: 2013年期

　　Phonons are universal language for solid state theory.Effective phonon theory (self-consistent harmonic approximation) have been extensively used to access the weakly nonlinear effect in solid materials,which are standard content in textbook.