Lecture 8: Jeans equations
Reading:
Binney and Tremaine, 4.8 (new), 4.2 and 4.3 (old)
For the derivation of the momentum flux density tensor see Appendix F
Optional reading:
For more than you ever wanted to know about the tensor virial theorem
for self-gravitating fluid systems, see
Chandrasekhar, S. 1969, Ellipsoidal Figures of Equilibrium