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nlin.CD2004★ 1 cited
Lyapunov modes in soft-disk systems
Christina Forster, Harald A. Posch
Lyapunov modes are periodic spatial perturbations of phase-space states of many-particle systems, which are associated with the small positive or negative Lyapunov exponents. Altho…
nlin.CD2002
Perturbed phase-space dynamics of hard-disk fluids
Christina Forster, Robin Hirschl, Harald A. Posch +1
The Lyapunov spectrum describes the exponential growth, or decay, of infinitesimal phase-space perturbations. The perturbation associated with the maximum Lyapunov exponent is stro…
nlin.CD2002
Lyapunov instability and collective tangent space dynamics of fluids
Harald A. Posch, Christina Forster
The phase space trajectories of many body systems charateristic of simple fluids are highly unstable. We quantify this instability by a set of Lyapunov exponents, which are the rat…