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Phonon-Mediated Anomalous Dynamics of Defects

Abstract:

Dynamics of an array of line defects interacting with a background elastic medium is studied in the linear regime. It is shown that the inertial coupling between the defects and the ambient phonons leads to an anomalous response behavior for the deformation modes of a defect-lattice, in the form of anisotropic and anomalous mass and elastic constants, resonant dissipation through excitation of phonons, and instabilities. The case of a single fluctuating line defect is also studied, and it is ...

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Publication status:
Published

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Publisher copy:
10.1140/epjb/e2003-00200-x

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
EUROPEAN PHYSICAL JOURNAL B
Volume:
34
Issue:
1
Pages:
99-103
Publication date:
2002-07-15
DOI:
EISSN:
1434-6036
ISSN:
1434-6028
URN:
uuid:bd4e8171-f14b-4684-8731-f7dd71ac28d7
Source identifiers:
156806
Local pid:
pubs:156806
Language:
English
Keywords:

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