ON THE GENERATION OF LOCALIZED NONLINEAR MODES IN A LINEAR ARRAY OF ANHARMONIC OSCILLATORS

J. E. Macías-Díaz (), I. E. Medina-Ramírez () and A. Puri ()
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J. E. Macías-Díaz: Departamento de Matemáticas y Física, Universidad Autónoma de Aguascalientes, Avenida Universidad 940, Ciudad Universitaria, Aguascalientes, Aguascalientes 20100, Mexico
I. E. Medina-Ramírez: Departamento de Química, Universidad Autónoma de Aguascalientes, Avenida Universidad 940, Ciudad Universitaria, Aguascalientes, Aguascalientes 20100, Mexico
A. Puri: Department of Physics, University of New Orleans, 2000 Lakeshore Drive, New Orleans, LA 70148, USA

International Journal of Modern Physics C (IJMPC), 2009, vol. 20, issue 08, 1187-1198

Abstract: In this work, we show that an adequate modulation of the driving amplitude in an anharmonic chain results in an efficient transmission of binary information. The nonlinear processes of supratransmission and infratransmission are shown to be useful in the solution of the problem under investigation. Numerical results are conducted using a finite-difference scheme with consistency properties in the energy domain, and the experiments show that localized nonlinear modes are propagated through the chain in a reliable and controlled manner.

Keywords: Anharmonic chains; Fermi–Pasta–Ulam systems; finite-difference schemes; localized nonlinear modes; nonlinear supratransmission; nonlinear infratransmission; nonlinear bistability; 02.60.Lj; 02.70.Bf; 63.20.Ry (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S012918310901428X

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