ABSTRACT
The distribution function of the elementary excitations satisfies the kinetic equation () ∂ n ∂ t + ∂ n ∂ r ⋅ ∂ H ∂ p − ∂ n ∂ p ⋅ ∂ H ∂ r = ℐ ( n ) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429502897/20d72e0b-9d39-4175-acc6-a943547edf8a/content/eq539.tif"/>
