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cond-mat.stat-mech2002★ 26 cited
Breathers and Thermal Relaxation in Fermi-Pasta-Ulam Arrays
Ramon Reigada, Antonio Sarmiento, Katja Lindenberg
Breather stability and longevity in thermally relaxing nonlinear arrays depend sensitively on their interactions with other excitations. We review the relaxation of breathers in Fe…
cond-mat.stat-mech2002★ 29 cited
Asymptotic Dynamics of Breathers in Fermi-Pasta-Ulam Chains
R. Reigada, A. Sarmiento, Katja Lindenberg
We study the asymptotic dynamics of breathers in finite Fermi-Pasta-Ulam chains at zero and non-zero temperatures. While such breathers are essentially stationary and very long-liv…