Open AccessPEIERLS MECHANISM OF HYDROGEN CHAIN (Ⅱ)——THE DEPENDENCE OF THE PEIERLS INSTABILITY ON THE ELECTRON CORRELATION
Author(s) -
FU RONG-TANG,
Xin Sun
Publication year - 1992
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.41.221
Subject(s) - instability , electron , electronic correlation , condensed matter physics , physics , chain (unit) , atomic physics , molecular physics , materials science , quantum mechanics
We use the correlated basis functions method to explore the problem of the Pe-ierls instability due to the electron correlation in hydrogen chain. Our thory shows that the bond alternation is reduced from 0.37 (au) to 0.32 (au) by the electron correlation, but the Peierls instability survives under the electron-electron interaction.
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