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'liquid crystals' in keywords Facet   section ZfN Section A:Volume 047  [X]
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1992 (1)
1Author    V. I. StepanovRequires cookie*
 Title    Comment on the Osipov-Terentjev Calculation of the Viscosity of Liquid Crystals  
 Abstract    The calculation of the viscosity of liquid crystals based on the rotational diffusion approximation recently reported by Osipov and Terentjev [1 a] is critically examined. It is shown that the main result of their treatment -the evaluation of the activational exponent -arises from the neglect of the second derivative of the distribution function with respect to the azimuthal angle in the Fokker-Planck equation. The correct asymptotic formula for the rotational viscosity coefficient is derived. 
  Reference    Z. Naturforsch. 47a, 625—626 (1992); received August 8 1991 
  Published    1992 
  Keywords    Liquid crystal, Viscosity coefficient, Rotational diffusion, Fokker-Planck equation, Energy barrier 
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 TEI-XML for    default:Reihe_A/47/ZNA-1992-47a-0625_n.pdf 
 Identifier    ZNA-1992-47a-0625_n 
 Volume    47