Comment on "test of nonequilibrium thermodynamics in glassy systems: the soft-sphere case".
In this Comment, I show that the free energy expression for a glass proposed by La Nave [Phys. Rev. E 68, 032103 (2003)] cannot be correct since it violates the second law of thermodynamics.
Gupta
Prabhat K
PK
Department of Materials Science and Engineering, Ohio State University, Columbus, Ohio 43210, USA.