A Generalized Frenkel-Kontorova Model with Morse Potentials

Chin. Phys. Lett.

1997, Vol. 14

Issue (11): 820-822 DOI:

Original Articles

A Generalized Frenkel-Kontorova Model with Morse Potentials

XU Ai-guo^1,2;WANG Guang-rui¹;CHEN Shi-gang²

¹Graduate Schoo1,China Academy of Engineering Physics, Beijing 100088 ²Center for Nonlinear Studies, Institute of Applied Physics and Computational Mathematics, Beijing 100088

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XU Ai-guo, WANG Guang-rui, CHEN Shi-gang 1997 Chin. Phys. Lett. 14 820-822

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Abstract A generalized Frenkel-Kontorova model with the Morse potentials is studied. The phase diagram reflects the nonlinear nature of the Morse potential. The correspondences of the ground states and the orbits of the area-preserving map are studied numerically. Our results present a better simulation to the real systems.

Keywords: 05.70.Fh 05.70.Jk 64.70.Rh

Published: 01 November 1997

PACS:	05.70.Fh	(Phase transitions: general studies)
	05.70.Jk	(Critical point phenomena)
	64.70.Rh	(Commensurate-incommensurate transitions)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I11/0820

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