J. Phys. I France
Volume 6, Numéro 1, January 1996
Page(s) 97 - 108
DOI: 10.1051/jp1:1996131
J. Phys. I France 6 (1996) 97-108

Ternary Interactions in Dynamics of $\Theta$-State Polymers: A Conformation-Space Renormalization-Group Approach

Yasuhiro Shiwa

Division of Natural Sciences, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606, Japan

(Received 11 July 1995, received in final form 19 September 1995, accepted 6 October 1995)

We reconsider the t'Hooft-Veltman type renormalization treatment of polymer properties near the theta-point. We correct other recent studies, and now demonstrate that the equivalence between this renormalization scheme and a zero-component field theory or a direct magnitude of the renormalized third virial coefficient using a new result for the translational diffusion constant at the theta-point.

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