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Kirkwood-Buff integrals (KBI) connect the microscopic structure and thermodynamic properties of liquid solutions. KBI are defined in the grand canonical ensemble and evaluated assuming the thermodynamic limit (TL). In order to reconcile…

统计力学 · 物理学 2022-02-16 Mauricio Sevilla , Robinson Cortes-Huerto

Volume integrals over the radial pair-distribution function, so-called Kirkwood-Buff integrals (KBI) play a central role in the theory of solutions, by linking structural with thermodynamic information. The simplest example is the…

统计力学 · 物理学 2021-06-09 Peter Krüger

Simulations of quantum systems in finite volume have proven to be a useful tool for calculating physical observables. Such studies to date have focused primarily on understanding the volume dependence of binding energies, from which it is…

核理论 · 物理学 2024-01-02 Anderson Taurence , Sebastian König

We derive the finite-volume correction to the binding energy of an N-particle quantum bound state in a cubic periodic volume. Our results are applicable to bound states with arbitrary composition and total angular momentum, and in any…

高能物理 - 格点 · 物理学 2018-02-02 Sebastian König , Dean Lee

The Kirkwood-Buff integrals for two-component mixtures in one-dimensional systems are calculated directly. The results are applied to square-well particles and found to agree with those obtained by the inversion of the Kirkwood-Buff theory…

统计力学 · 物理学 2009-10-30 Arieh Ben-Naim , Andrés Santos

Understanding the relationship between microscopic structure and macroscopic thermodynamic properties is a central challenge in the study of complex fluids. The Kirkwood-Buff (KB) theory offers an elegant and powerful framework for bridging…

软凝聚态物质 · 物理学 2025-10-07 Rémi Busselez

Kirkwood-Buff (KB) integrals are notoriously difficult to converge from a canonical simulation because they require estimating the grand-canonical radial distribution. The same essential difficulty is encountered when attempting to estimate…

统计力学 · 物理学 2018-07-17 David M. Rogers

Computation of the excess entropy from the second-order density expansion of the entropy holds strictly for infinite systems in the limit of small densities. For the reliable and efficient computation of excess entropy, it is important to…

统计力学 · 物理学 2025-05-29 Darshan Raju , Mahinder Ramdin , Jean-Marc Simon , Peter Kruger , Thijs J. H. Vlugt

This thesis presents L\"uscher's $\mu$- and $F$-term corrections to volume dependence of non-diagonal finite volume form factors in the scaling Lee-Yang model. An explicit calculation proves the suspected relation that the $\mu$-terms known…

高能物理 - 理论 · 物理学 2019-08-29 Istvan Vona

We propose an improved effective-medium theory to obtain the concentration dependence of the viscosity of particle suspensions at arbitrary volume fractions. Our methodology can be applied, in principle, to any particle shape as long as the…

软凝聚态物质 · 物理学 2010-06-01 I. Santamaria-Holek , Carlos I. Mendoza

We derive the leading exponential finite volume corrections in two dimensional integrable models for non-diagonal form factors in diagonally scattering theories. These formulas are expressed in terms of the infinite volume form factors and…

高能物理 - 理论 · 物理学 2019-09-04 Zoltan Bajnok , Marton Lajer , Balint Szepfalvi , Istvan Vona

We investigate the performance of the finite volume method in solving viscoplastic flows. The creeping square lid-driven cavity flow of a Bingham plastic is chosen as the test case and the constitutive equation is regularised as proposed by…

计算物理 · 物理学 2016-04-29 Alexandros Syrakos , Georgios C. Georgiou , Andreas N. Alexandrou

Motivated by the inverse Littlewood-Offord problem for linear forms, we study the concentration of quadratic forms. We show that if this form concentrates on a small ball with high probability, then the coefficients can be approximated by a…

组合数学 · 数学 2011-05-31 Hoi H. Nguyen

The form factors of integrable models in finite volume are studied. We construct the explicite representations for the form factors in terms of determinants.

数学物理 · 物理学 2009-10-31 V. E. Korepin , N. A. Slavnov

A general formula is derived for the finite volume dependence of vacuum expectation values analogous to Luscher's formula for the masses. The result involves no integrals over kinematic quantities and depends only on the matrix element…

高能物理 - 格点 · 物理学 2010-04-05 Johan Bijnens , Karim Ghorbani

We extend the framework of the finite volume method to dispersive unidirectional water wave propagation in one space dimension. In particular we consider a KdV-BBM type equation. Explicit and IMEX Runge-Kutta type methods are used for time…

经典物理 · 物理学 2020-01-09 Denys Dutykh , Theodoros Katsaounis , Dimitrios Mitsotakis

A classical model for water-gas flows in porous media is considered. The degenerate coupled system of equations obtained by mass conservation is usually approximated by finite volume schemes in the oil reservoir simulations. The convergence…

数值分析 · 数学 2015-03-18 Mostafa Bendahmane , Ziad Khalil , Mazen Saad

We derive a general formalism that relates the spectrum of two-particle systems in a finite volume to physical scattering amplitudes, taking into account the presence of any left-hand branch cuts due to single-particle exchanges. The method…

高能物理 - 格点 · 物理学 2025-02-27 André Baião Raposo , Raúl A Briceño , Maxwell T Hansen , Andrew W Jackura

Two finite volume methods are derived and applied to the solution of problems of incompressible flow. In particular, external inviscid flows and boundary-layer flows are examined. The firstmethod analyzed is a cell-centered finite volume…

数值分析 · 数学 2025-10-20 Darryl Whitlow

We generalise the two-sided Bogoliubov inequality for classical particles from [L. Delle Site et al., J.Stat.Mech.Th.Exp. 083201 (2017)] to systems of quantum particles. As in the classical set-up, the inequality leads to upper and lower…

数学物理 · 物理学 2022-09-22 Benedikt Reible , Carsten Hartmann , Luigi Delle Site
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