The Positivity of the Pressure in Thomas Fermi Theory [chapter]

R. Benguria, E. H. Lieb
The Stability of Matter: From Atoms to Stars  
We prove the positivity of the pressure and compressibility for neutral systems in the Thomas-Fermi theory of molecules. Our results include some new properties of the Thomas-Fermi potential and a proof that the kinetic energy is superadditive.
doi:10.1007/3-540-27056-6_24 fatcat:olotf5bnzben3cdjazogvi5ooq