期刊
PHYSICS OF THE SOLID STATE
卷 58, 期 9, 页码 1834-1845出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063783416090080
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The continual approximation of the ground state of the discrete Frenkel-Kontorova model is tested using a symmetric algorithm of numerical simulation. A kaleidoscope effect is found, which means that the curves representing the dependences of the relative extension of an N-atom chain vary periodically with increasing N. Stairs of structural transitions for N ae << 1 are analyzed by the channel selection method with the approximation N = a. Images of commensurable and incommensurable structures are constructed. The commensurable-incommensurable phase transitions are stepwise.
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