Boltzmann equation with a nonlocal collision term and the resultant   dissipative fluid dynamics
  Starting with the relativistic Boltzmann equation where the collision term was generalized to include gradients of the phase-space distribution function, we recently presented a new derivation of the equations for the relativistic dissipative fluid dynamics. We compared them with the corresponding equations obtained in the standard Israel-Stewart and related approaches. Our method generates all the second-order terms that are allowed by symmetry, some of which have been missed by the traditional approaches, and the coefficients of other terms are altered. The first-order or Navier-Stokes equation too receives a small correction. Here we outline this work for the general audience. 
Amaresh Jaiswal, Rajeev S. Bhalerao, Subrata Pal
nucl-th physics.flu-dyn