R. Mannella et al., BIFURCATION-ANALYSIS OF ZERO-DISPERSION NONLINEAR RESONANCE, International journal of bifurcation and chaos in applied sciences and engineering, 8(4), 1998, pp. 701-712
The problem of zero-dispersion nonlinear resonance - a phenomenon that
can occur in a periodically-driven nonlinear oscillator whose eigenfr
equency as a function of energy possesses an extremum - has been formu
lated in general for both the dissipative and nondissipative situation
s. A complete bifurcation analysis and classification of period-1 orbi
ts is presented. The significance of bifurcations for the onset of cha
os in the system, and for fluctuations in the presence of external noi
se, is discussed.