TY - JOUR
T1 - Wavelength competition in convective systems.
AU - Zimmermann, W.
AU - Ogawa, A.
AU - Kai, S.
AU - Kawasaki, K.
AU - Kawakatsu, T.
PY - 1993/10/20
Y1 - 1993/10/20
N2 - We investigate wavelength competition in two-dimensional pattern-forming systems with uniaxial anisotropy. A spatially periodic modulation of the external driving force leads to aninterplay with the wave length of convection rolls which is similar to competing interactionsbetween two equilibrium lattice constants in adsorption problems. For a class of anisotropicsystems we find new types of stable patterns which are induced by such wavelength competition.These are the skewed varicose pattern, an undulatory pattern and an incommensurateundulatory pattern. Each of them seems observable in experiments on electroconvection andRayleigh-Bénard convection in nematic liquid crystals.
AB - We investigate wavelength competition in two-dimensional pattern-forming systems with uniaxial anisotropy. A spatially periodic modulation of the external driving force leads to aninterplay with the wave length of convection rolls which is similar to competing interactionsbetween two equilibrium lattice constants in adsorption problems. For a class of anisotropicsystems we find new types of stable patterns which are induced by such wavelength competition.These are the skewed varicose pattern, an undulatory pattern and an incommensurateundulatory pattern. Each of them seems observable in experiments on electroconvection andRayleigh-Bénard convection in nematic liquid crystals.
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U2 - 10.1209/0295-5075/24/3/010
DO - 10.1209/0295-5075/24/3/010
M3 - Article
AN - SCOPUS:84956133654
VL - 24
SP - 217
EP - 222
JO - Journal de Physique (Paris), Lettres
JF - Journal de Physique (Paris), Lettres
SN - 0295-5075
IS - 3
ER -