Quasi-Solitons in Anharmonic Chains with Higher Neighbor Interactions and Long-Range Forces : Condensed Matter and Statistical Physics

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概要

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• We have studied the effects of higher neighbor interactions and long-range forces on the existence of quasi-solitons in one dimensional discrete lattices. The model Hamiltonians considered include (1) Lennard-Jones 6-12 potential, (2) Morse-like potential, (3) Hydrogen-bonding 10-12 potential with a 1/r Coulomb term and (4) Hydrogen-bonding 10-12 potential without the 1/r term. The most striking result of this work is that these model systems support long-lived solitons in the presence of higher neighbor interactions and long-range forces. Both one- and two-solitonic pulses were generated in the lattices by using simple initial conditions. It appears that there exists a large class of physically important discrete systems that will support quasi-solitons under mild restrictions on the number of interacting neighbors and the presence of long-range forces.

• 理論物理学刊行会の論文
• 1984-03-25

著者

• Ali M.

  Department of Genetics and Plant Breeding, IPSA, Bangladesh

• ALI M.K.

  Department of Physics, The University of Lethbridge

• Ali M.

  Department Of Physics The University Of Lethbridge

• SOLHEIM L

  Department of Physics, the University of Lethbridge

• Solheim L

  Department Of Physics The University Of Lethbridge

• Solheim L.

  Department of Physics, the University of Lethbridge

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