为了研究一维固-液声子晶体,应用Bloch定理和边界条件解析推导出一维固-液声子晶体的表面消逝波传播模式存在条件的方程.在一定条件下,一维固-液声子晶体存在表面模式.对表面模式,声波位移场集中在半无限一维固-液声子晶体的表面,在背景材料和声子晶体内部声波衰减.在所有层中,一维固-液声子晶体的表面模式均具有消逝波性质的位移场.随后的数值研究证明了分析结果.
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