Iv. Baryakhtar et al., KINETIC-EQUATION AND TRANSPORT-COEFFICIENTS FOR KINK SOLITONS IN THE SINE-GORDON EQUATION, Physics letters. A, 207(1-2), 1995, pp. 67-71
We construct a Boltzmann-type kinetic equation for sine-Gordon kinks w
ith a kink-kink collision integral due to shifts in their coordinates,
We calculate the entropy production in the kink gas due to the homoge
nization of the distribution function in coordinate space. Based on th
e derived kinetic equation, the coefficients of self-diffusion, intrin
sic friction and thermal conductivity due to kink-kink collisions are
calculated.