The tight-bindingapproximation is employed to model the substrates.
用紧束缚模型描述衬底。
2
As conducting polymers belong to the system of wide energy band, the SSH model in a state of tight-bindingapproximation 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。
3
The adsorption properties of hydrogen on the supported-metal surfaces are investigated using the Green function method within the framework of tight-bindingapproximation.