The tight-binding approximation is employed to model the substrates.
用紧束缚模型描述衬底。
As conducting polymers belong to the system of wide energy band, the SSH model in a state of tight-binding approximation is too crude.
由于导电高分子是宽能带体系；对于该体系来说，紧束缚近似下的SSH模型是过于粗糙的。
The adsorption properties of hydrogen on the supported-metal surfaces are investigated using the Green function method within the framework of tight-binding approximation.
应用格林函数方法在紧束缚近似下研究了氢在担载金属表面的吸附性质。
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