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ON THE POSSIBILITY OF ELECTRIC CONDUCTION MEDIATED BY DISSIPATIVE SOLITONS

MANUEL G. VELARDE

Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII, 1, 28040-Madrid, Spain

International Center for Mechanical Sciences (CISM), Palazzo del Torso, Piazza Garibaldi, 33100-Udine, Italy

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WERNER EBELING

Institut für Physik, Humboldt-Universität Berlin, Newtonstraβe 15, 12489-Berlin, Germany

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, and

ALEXANDER P. CHETVERIKOV

Faculty of Nonlinear Processes, N. G. Chernychevsky State University, Astrakhanskaya 83, 410012-Saratov, Russia

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https://doi.org/10.1142/S0218127405012144Cited by:52 (Source: Crossref)

Abstract

Based on the study of the dynamics of a dissipation-modified Toda anharmonic (one-dimensional, circular) lattice ring we predict here a new form of electric conduction mediated by dissipative solitons. The electron-ion-like interaction permits the trapping of the electron by soliton excitations in the lattice, thus leading to a soliton-driven current much higher than the Drude-like (linear, Ohmic) current. Besides, as we lower the values of the externally imposed field this new form of current survives, with a field-independent value.

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