Influence of moving breathers on vacancies migration

J. Cuevas; C. Katerji; J. F R Archilla; J. C. Eilbeck; F. M. Russell

doi:10.1016/S0375-9601(03)01097-1

Influence of moving breathers on vacancies migration

J. Cuevas, C. Katerji, J. F R Archilla, J. C. Eilbeck, F. M. Russell

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

A vacancy defect is described by a Frenkel-Kontorova model with a discommensuration. This vacancy can migrate when interacts with a moving breather. We establish that the width of the interaction potential must be larger than a threshold value in order that the vacancy can move forward. This value is related to the existence of a breather centred at the particles adjacent to the vacancy. © 2003 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	364-371
Number of pages	8
Journal	Physics Letters A
Volume	315
Issue number	5
DOIs	https://doi.org/10.1016/S0375-9601(03)01097-1
Publication status	Published - 1 Sept 2003

Keywords

Defects
Discrete breathers
Intrinsic localized modes
Mobile breathers

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10.1016/S0375-9601(03)01097-1

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AB - A vacancy defect is described by a Frenkel-Kontorova model with a discommensuration. This vacancy can migrate when interacts with a moving breather. We establish that the width of the interaction potential must be larger than a threshold value in order that the vacancy can move forward. This value is related to the existence of a breather centred at the particles adjacent to the vacancy. © 2003 Elsevier B.V. All rights reserved.

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KW - Intrinsic localized modes

KW - Mobile breathers

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Influence of moving breathers on vacancies migration

Abstract

Keywords

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