Open AccessInterfacial Entropy Profile in the One-loop Approximation
Author(s) -
C. E. Bertrand,
М. А. Анисимов
Publication year - 2022
Publication title -
ukrainian journal of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.213
H-Index - 17
eISSN - 2071-0194
pISSN - 2071-0186
DOI - 10.15407/ujpe56.8.779
Subject(s) - scaling , statistical physics , entropy (arrow of time) , physics , thermodynamics , configuration entropy , specific heat , heat capacity , mean field theory , condensed matter physics , mathematics , geometry
The near-critical interfacial entropy profile is calculated in the one-loop approximation of renormalized field theory. The shape of the profile is broadened by fluctuations and goes beyond the mean-field coupling between the entropy and the order parameter. The excess interfacial entropy and heat capacity are calculated by using the entropy profile. The interface creates corrections to the heat capacity and entropy of order χ/L, where $\xi$ is the correlation length, and L is a characteristic length of the system. These results are discussed in relation to finite-size scaling, surface critical phenomena, and the results of experiments and simulations.