分别采用 LLP 变分方法和微扰方法研究了圆柱形自由量子线的极化子效应, 在计算中考虑了类体纵光学声子模及表面声子模的贡献。(The polaron effects of cylindrical free quantum wires are studied by using the LLP variational method and perturbation method respectively. The contribution of the bulk longitudinal optic