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期刊论文
Effects of boundary conditions on the stability of one-dimensional Peierls-Hubbard systems
J. Phys.: Condens. Matter 10 (1998) 2291-2301. Printed in the UK，-0001，（）：
Several boundary conditions have been proposed to stabilize the dimerized structures of finite-length Peierls–Hubbard chains. The effects of different boundary conditions on the lattice structures and the electronic energy spectra have been analysed. It was found that the natural or the fixed-end boundary conditions are more suitable to describe polymer chains with very short lengths than the periodic boundary condition. The competition of electron–electron interactions with electron–phonon interactions in finite-length chains has also been studied.
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