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Structure of characteristic Lyapunov vectors in spatiotemporal chaos

Revista: Physical Review E
Año: 2008   Volumen: 78
Página inicial: 16209   Última página: 16212		 Estado: Publicado
Archivo PDF: 2008_pazo_pre.pdf
DOI: http://dx.doi.org/10.1103/PhysRevE.78.016209
Autores:
Pazó, D., Szendro, I., López, J.M.,

We study Lyapunov vectors LVs corresponding to the largest Lyapunov exponents in systems with spatiotemporal chaos. We focus on characteristic LVs and compare the results with backward LVs obtained via successive Gram-Schmidt orthonormalizations. Systems of a very different nature such as coupled-map lattices and the continuous-time Lorenz ‘96 model exhibit the same features in quantitative and qualitative terms. Additionally, we propose a minimal stochastic model that reproduces the results for chaotic systems. Our work supports the claims about universality of our earlier results I. G. Szendro et al., Phys. Rev. E 76, 025202R 2007 for a specific coupled-map lattice.

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