%0 Journal Article
%T SUBSONIC AND SUPERSONIC SOLITONS IN AN ANHARMONIC LINEAR CHAINS WITH SECOND-NEIGHBOUR INTERACTION<br>带有次近邻相互作用的非谐性线性链中亚声速和超声速孤子
%A YU CHAO-FAN
%A ZHOU YI-CHANG
%A <br>余超凡
%A 周义昌
%J 物理学报
%D 1994
%I 
%X Based on the method of coherent states, the nonlinear effects caused by the interaction between electrons and acoustic lattice vibrations in an anharmonic linear chains are investigated in the secolid-neighbour interaction approximation. While the continous limits of the equations of motion is considered self -consistently, the cubic anharmonicity of the deformable potential leads to a new nonlinear equation for the electronic orobability amolitute, which gives a new solitary solution in the form of hyperelliptic integral. This shows that besides the bell-solitons there also exists a second type of solitary excitation with the shape of a kink.
%K 非谐性线性链
%K 非线性效应
%K 孤波激发
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=B11917D5F42A48912248961B9631C174&yid=3EBE383EEA0A6494&vid=BE33CC7147FEFCA4&iid=F3090AE9B60B7ED1&sid=E8D8D9C05584612B&eid=5A16362B1718D389&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=1