Free energy and tensor of tension in biological membranes and electrolyte-membrane layers in the presence of electrical field. Part II
The aim of the study is to make a comparative analysis of different expressions for free energy and tensor of tension in membranes and electrolyte in the electric field deduced by local and macroscopic thermodynamics, to establish the limits of applicability of the latter. It is shown in the first part of the work that the expression for free energy and tensor of tension in an electrolyte media based upon the theory of macroscopic thermodynamic follows from one obtained on the principles of local thermodynamic in the particular case. In the second part of the study it is proved that the expressions for the tensors of tension obtained by the local and macroscopic thermodynamics, despite their differences, are not contradictory. If the system as a whole is in a state of thermodynamic equilibrium and the dielectric constant is constant along the medium, these expressions become equal.