activity
20182026
most citedDiffusion and Chemical Potential in Polymer Solutions

2 citations · 4 across the 11 of their papers we have counts for

collaborators

11 papers

cond-mat.soft2026

On the Determination of Gel Points

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

A critical composition of cross-linked polysiloxanes observed by Scanlan and Winter is reinvestigated in comparison with the theory of gelation. We assume, based on the Scott findi…

cond-mat.soft2024

The Equation of Excluded Volume Effects: A Minor Improvement in the Evaluation of the Inhomogeneity Term

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

A minor improvement is made to the calculation of the inhomogeneity term. The new calculation gives better agreement with the observations of Daoud et al. and Cheng-Graessley-Melni…

cond-mat.soft2024

Critical Nature of the Size Exponent of Polymers

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

On the basis of the thermodynamic theory of the excluded volume effects, we show that the size exponent varies abruptly, depending on the change of the segment concentration. For l…

cond-mat.soft2022

Segment Distribution around the Center of Gravity of Ring Polymers: Extension of the Kramers Method

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

The segment distribution around the center of gravity is derived for unperturbed ring polymers. We show that, although a small difference is observed, the exact distribution can be…

cond-mat.soft2022

Size Exponents of Branched Polymers/ Extension of the Isaacson-Lubensky Formula and the Application to Lattice Trees

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

Branched polymers can be classified into two categories that obey the different formulae: \begin{equation} ν= \begin{cases} \hspace{1mm}\displaystyle\frac{2(1+ν_{0})}{d+2} & \hspac…

cond-mat.soft2022

Branched Polymers with Excluded Volume Effects/ Configurations of Comb Polymers in Two- and Three-dimensions

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

We investigate the excluded volume effects in good solvents for the isolated comb polymers having . In particular, we investigate the change of the size exponent, , d…

cond-mat.soft2021

Branched Polymers with Excluded Volume Effects/ Relationship between Polymer Dimensions and Generation Number

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

We discuss the extension of the empirical equation: , where the subscript 0 denotes the ideal value with no excluded volume…

cond-mat.soft2020★ 1 cited

Segment Distribution around the Center of Gravity of a Triangular Polymer

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

The segment distribution around the center of gravity is investigated for a special comb polymer (triangular polymer) having the side chains of the same generation number, , as…

cond-mat.soft2020★ 1 cited

Segment Distribution around the Center of Gravity of Branched Polymers

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

Mathematical expressions for mass distributions around the center of gravity are derived for branched polymers with the help of the Isihara formula. We introduce the Gaussian appro…

cond-mat.soft2019★ 2 cited

Diffusion and Chemical Potential in Polymer Solutions

Kazumi Suematsu, Haruo Ogura, Seiichi Inayama +1

We give a mathematical proof for the preceding derivation of the excluded volume theory on the basis of the thermodynamic theory, the concept of diffusion, and the theory of total…

cond-mat.soft2018

Alternative Approach to the Excluded Volume Problem The Critical Behavior of the Exponent

Kazumi Suematsu, Haruo Ogura, Seiiti Inayama +1

We present the alternative derivation of the excluded volume equation. The resulting equation is mathematically identical to the one proposed in the preceding paper. As a result, t…