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Continuing our investigation into the Hierarchical Reference Theory of fluids for thermodynamic states of infinite isothermal compressibility kappa[T] we now turn to the available numerical evidence to elucidate the character of the partial…

统计力学 · 物理学 2007-05-23 Albert Reiner , Gerhard Kahl

We introduce an approach to exploit the existence of multiple levels of description of a physical system to radically accelerate the determination of thermodynamic quantities. We first give a proof of principle of the method using two…

材料科学 · 物理学 2009-10-31 T. D. Engeness , T. A. Arias

Assuming a phenomenological self-energy $Im \Sigma(\omega) \sim |\omega|^{\beta\}, (\beta=1 $), which becomes gapped below $T_c$, we derived a new gap equation. The new gap equation contains the effect of the kinetic energy gain upon…

强关联电子 · 物理学 2007-05-23 Yunkyu Bang

This work investigates how site-specific doping can enhance the thermoelectric performance of tetragonal Cu$_{2}$S using Density functional Theory and Projected Atomic Orbital Framework for Electronic Transport. We address the gap in…

材料科学 · 物理学 2025-01-29 Sonam Phuntsho

We use recently developed effective field theory techniques to calculate the third order post-Newtonian correction to the spin-spin potential between two spinning objects. This correction represents the first contribution to the spin-spin…

广义相对论与量子宇宙学 · 物理学 2009-11-11 Rafael A. Porto , Ira Z. Rothstein

Mixing and heat transfer rates are typically enhanced when operating at high-pressure transcritical turbulent flow regimes. The rapid variation of thermophysical properties in the vicinity of the pseudo-boiling region can be leveraged to…

流体动力学 · 物理学 2024-09-27 Marc Bernades , Francesco Capuano , Lluis Jofre

An alternative multipole expansion of the correlation term is derived. Modified spherical Bessel type functions which simplify as a summation of multiple orders of basic trigonometric functions are generated from this new method. We use…

量子物理 · 物理学 2017-04-10 Eric Ouma Jobunga

The emerging field of spinoptronics has a potential to supersede the functionality of modern electronics, while a proper description of strong light-matter coupling pose the most intriguing questions from both fundamental scientific and…

介观与纳米尺度物理 · 物理学 2016-10-19 D. Yudin , O. V. Kibis , I. A. Shelykh

First steps towards developing a new perturbation theory for molecular liquids are taken. By choosing a new form of splitting the site-site potential functions between molecules, we will get a set of atomic fluids as the reference system…

化学物理 · 物理学 2017-11-21 Mehrdad Khanpour

Borosilicate glasses are traditionally challenging to model using atomic scale simulations due to the composition and thermal history dependence of the coordination state of B atoms. Here, we report a new empirical interatomic potential…

无序系统与神经网络 · 物理学 2018-08-01 Mengyi Wang , N. M. Anoop Krishnan , Bu Wang , Morten M. Smedskjaer , John C. Mauro , Mathieu Bauchy

It is demonstrated that power-laws which are modified by logarithmic corrections arise in supercorrelated systems. Their characteristic feature is the energy attributed to a state (or value of a general cost function) which depends…

统计力学 · 物理学 2009-11-10 H. -T. Elze , T. Kodama

We extended our formulation of causal dissipative hydrodynamics [T. Koide \textit{et al.}, Phys. Rev. \textbf{C75}, 034909 (2007)] to be applicable to the ultra-relativistic regime by considering the extensiveness of irreversible currents.…

高能物理 - 唯象学 · 物理学 2009-11-13 G. S. Denicol , T. Kodama , T. Koide , Ph. Mota

We consider the Poisson-Nernst-Planck system which is well-accepted for describing dilute electrolytes as well as transport of charged species in homogeneous environments. Here, we study these equations in porous media whose electric…

数学物理 · 物理学 2013-02-26 Markus Schmuck

It is well-known that owing to the restricted character of the area additional surface terms emerge in the traditional form of hypervirial and/or Ehrenfest theorems. Especially, when one considers spherically symmetric potentials and…

量子物理 · 物理学 2022-01-31 Anzor Khelashvili , Teimuraz Nadareishvili

An often used rule that the thermal correction to the self-energy is the thermal phase-space times the forward scattering amplitude from target particles is shown to be the leading term in an exact multiple scattering expansion. Starting…

高能物理 - 唯象学 · 物理学 2008-11-26 Sangyong Jeon , Paul J. Ellis

A modification of the Gay-Berne potential is proposed which is about 10% to 20% more speed efficient (that is, the original potential runs 15% to 25% slower, depending on architecture) and statistically more accurate in reproducing the…

化学物理 · 物理学 2012-12-21 Rasmus A. X. Persson

We analyze the perceptron model performing a Plefka-like expansion of the free energy. This model falls in the same universality class as hard spheres near jamming, allowing to get exact predictions in high dimensions for more complex…

无序系统与神经网络 · 物理学 2018-01-09 Ada Altieri

A novel nonlocal density functional for the kinetic pressure tensor of a Fermi gas is derived. The functional is designed to reconcile the Quantum Hydrodynamic Model with the microscopic approaches, both for homogeneous equilibrium and…

等离子体物理 · 物理学 2018-12-12 D. I. Palade

We present the full thermodynamics of a fluid confined by an arbitrary external potential based on the virial expansion of the grand potential. The fluid may be classical or quantum and it is assumed that interatomic interactions are…

统计力学 · 物理学 2008-08-13 Nadia Sandoval-Figueroa , Víctor Romero-Rochín

Recently we have computed the third order corrections to the ground state energy of the arbitrarily polarized diluted gas of spin 1/2 fermions interacting through a spin-independent repulsive two-body potential. Here we extend this result…

量子气体 · 物理学 2023-07-05 Piotr H. Chankowski , Jacek Wojtkiewicz , Szymon Augustynowicz