Ground states in complex bodies

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A unified framework for analyzing the existence of ground states in wide classes of elastic complex bodies is presented here. The approach makes use of classical semicontinuity results, Sobolev mappinngs and Cartesian currents. Weak diffeomorphisms are used to represent macroscopic deformations. Sobolev maps and Cartesian currents describe the inner substructure of the material elements. Balance equations for irregular minimizers are derived. A contribution to the debate about the role of the balance of configurational actions follows. After describing a list of possible applications of the general results collected here, a concrete discussion of the existence of ground states in thermodynamically stable quasicrystals is presented at the end.
30 pages, in print on ESAIM-COCV

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Mathematical Physics, 74A30; 74A35; 49Q15; 49J45; 82B30

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http://salesiana.dossiersoluciones.com/handle/123456789/154565

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0802.1435
 http://arxiv.org/abs/0802.1435

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arXiv