Two-body entropy of two-dimensional fluids

2020/02/24 by Boris Klumov, Boris A. Klumov, Sergey A. Khrapak +1 · 21 citations
Materials Science · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Configuration entropy #Entropy (arrow of time) #Fundamental thermodynamic relation #H-theorem #Joint quantum entropy #Material Dynamics and Properties #Phase transition #Statistical Mechanics and Entropy #cond-mat.soft #cond-mat.stat-mech #physics.chem-ph #physics.plasm-ph

paper · pdf · open access · doi:10.1016/j.rinp.2020.103020

published in Results in Physics 17, 103020 (Elsevier BV) · 3 pages, 2 figures, published in Results in Physics

openalex publication_date 2020/02/24 · arxiv created 2020/03/05 · arxiv updated 2020/03/06 · openalex created_date 2020/03/06 · openalex updated_date 2026/08/05

Abstract

The two-body (pair) contribution to the entropy of two-dimensional Yukawa systems is calculated and analyzed. It is demonstrated that in the vicinity of the fluid-solid (freezing) phase transition the pair entropy exhibits an abrupt jump in a narrow temperature range and this can be used to identify the freezing point. Relations to the full excess entropy and some existing freezing indicators are briefly discussed.

Citations

• Breakdown of excess entropy scaling for systems with thermodynamic anomalies
• Fast Parallel Algorithms for Short-Range Molecular Dynamics
• Density functional theory and the asymptotic high density expansion of the free energy of classical solids and fluids