10 citations · 16 across the 5 of their papers we have counts for
5 papers
Recursive behavior in a diatomic FPUT lattice
Guo Deng, Andrea Pezzi, Genghong Lin +1
We study the diatomic FPUT lattice with cubic anharmonic potential, and analyze the recurrent behaviour of its solutions. We find that two distinct types of recurrence occur. One t…
Three- and four-wave resonances in the nonlinear quadratic Kelvin lattice
Andrea Pezzi, Tiziana Comito, Miguel D. Bustamante +1
In this paper we investigate analytically and numerically the nonlinear Kelvin lattice, namely a chain of masses and nonlinear springs, as in the alpha-Fermi-Pasta-Ulam-Tsingou (FP…
Three-wave resonant interactions in the diatomic chain with cubic anharmonic potential: theory and simulations
A. Pezzi, G. Deng, Y. Lvov +2
We consider a diatomic chain characterized by a cubic anharmonic potential. After diagonalizing the harmonic case, we study in the new canonical variables, the nonlinear interactio…
Negative temperature states as exact equilibrium solutions of the Wave Kinetic equation for one dimensional lattices
M. Onorato, G. Dematteis, D. Proment +3
We predict negative temperature states in the Discrete Nonlinear Schödinger equation as exact solutions of the associated Wave Kinetic equation. Those solutions are consistent with…
2nd order PDEs: geometric and functional considerations
Andrea Pezzi
INTRODUCTION This papers deals with partial differential equations of second order, linear, with constant and not constant coefficients, in two variables, which admit real characte…