TY - JOUR
T1 - Controlling dispersive chaos in binary-fluid convection
AU - Kolodner, Paul
AU - Flätgen, Georg
AU - Kevrekidis, Ioannis G.
PY - 1999/1/1
Y1 - 1999/1/1
N2 - We report observations of stabilized traveling-wave (TW) convection in a regime in which the uncontrolled system exhibits repeated, erratic growth and abrupt decay of spatially localized bursts of TW. By applying as feedback a spatially varying Rayleigh-number profile computed from the measured convection pattern, we suppress this behavior and stabilize states of unidirectional TW with spatially uniform amplitude on the unstable branch of the subcritical bifurcation to convection. This allows us to measure the nonlinear coefficients of the corresponding quintic complex Ginzburg-Landau equation.
AB - We report observations of stabilized traveling-wave (TW) convection in a regime in which the uncontrolled system exhibits repeated, erratic growth and abrupt decay of spatially localized bursts of TW. By applying as feedback a spatially varying Rayleigh-number profile computed from the measured convection pattern, we suppress this behavior and stabilize states of unidirectional TW with spatially uniform amplitude on the unstable branch of the subcritical bifurcation to convection. This allows us to measure the nonlinear coefficients of the corresponding quintic complex Ginzburg-Landau equation.
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U2 - 10.1103/PhysRevLett.83.730
DO - 10.1103/PhysRevLett.83.730
M3 - Article
AN - SCOPUS:4244149186
SN - 0031-9007
VL - 83
SP - 730
EP - 733
JO - Physical review letters
JF - Physical review letters
IS - 4
ER -