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In this work, we develop a framework for atomistic modeling of electronic polarizability to predict the Raman spectra of hydrogen-bonded clusters and liquids from molecular dynamics (MD) simulations. The total polarizability of the system…

化学物理 · 物理学 2025-03-25 Atanu Paul , Ilya Grinberg

We introduce a formulation of Eulerian general relativistic hydrodynamics which is applicable for (perfect) fluid data prescribed on either spacelike or null hypersurfaces. Simple explicit expressions for the characteristic speeds and…

广义相对论与量子宇宙学 · 物理学 2009-10-31 Philippos Papadopoulos , Jose A. Font

We provide a consistent statistical-mechanical treatment for describing the thermodynamics and the structure of fluids embedded in the hyperbolic plane. In particular, we derive a generalization of the virial equation relating the bulk…

统计力学 · 物理学 2009-05-18 François Sausset , Gilles Tarjus , Pascal Viot

Conventional Boltzmann--Gibbs statistical mechanics successfully describes systems with weak to moderate correlations, where the number of accessible configurations $W(N)$ grows exponentially with the number of degrees of freedom~$N$.…

统计力学 · 物理学 2026-03-05 Henrik Jeldtoft Jensen , Petr Jizba , Piergiulio Tempesta

The high volatility of renewable energies calls for more energy efficiency. Thus, different physical systems need to be coupled efficiently although they run on various time scales. Here, the port-Hamiltonian (pH) modeling framework comes…

数值分析 · 数学 2024-04-09 Sarah-Alexa Hauschild , Nicole Marheineke

Low-dimensional systems are an important field of current theoretical and experimental research. Recent technological developments provide many possible realizations of effectively one-dimensional systems. These devices promise to give us…

强关联电子 · 物理学 2008-01-18 Fabio Franchini

Based on previous work that topologically nontrivial gapless modes in relativistic hydrodynamics could be found by weakly breaking the energy momentum conservation, in this paper, we study the holographic system which produces the same…

高能物理 - 理论 · 物理学 2022-09-09 Wen-Bin Pan , Ya-Wen Sun

Generalized Probabilistic Theories (GPTs) provide a unified framework for describing probabilistic physical theories, encompassing classical and quantum theories as well as hypothetical theories beyond quantum mechanics. Since most GPTs are…

量子物理 · 物理学 2026-05-14 Koki Ono , Shun Umekawa , Hiroyasu Tajima

Fluid dynamics plays a crucial role in various multiphysics applications, including energy systems, electronics cooling, and biomedical engineering. Developing models for complex coupled systems can be challenging and time-consuming. In…

计算工程、金融与科学 · 计算机科学 2024-12-09 Markus Lohmayer , Michael Kraus , Sigrid Leyendecker

This work is devoted to the study of dissipative fluid systems, through the lens of a geometric variational formulation. Building upon previous works extending Hamilton's principle to non-equilibrium thermodynamics, the present method…

数学物理 · 物理学 2026-04-07 Bastien Manach-Pérennou , François Gay-Balmaz

Quantum plasma physics is a rapidly evolving research field with a very inter-disciplinary scope of potential applications, ranging from nano-scale science in condensed matter to the vast scales of astrophysical objects. The theoretical…

等离子体物理 · 物理学 2013-10-02 Shabbir A. Khan , Michael Bonitz

Beginning from the semiclassical Hamiltonian, the Fermi pressure and Bohm potential for the quantum hydrodynamics application (QHD) at finite temperature are consistently derived in the framework of the local density approximation with the…

等离子体物理 · 物理学 2018-04-18 Zh. A. Moldabekov , M. Bonitz , T. S. Ramazanov

The current status of numerical solutions for the equations of ideal general relativistic hydrodynamics is reviewed. With respect to an earlier version of the article the present update provides additional information on numerical schemes…

广义相对论与量子宇宙学 · 物理学 2016-10-19 Jose A. Font

We generalize the existing works on the way (generalized) LTB models can be embedded into polymerized spherically symmetric models in several aspects. We re-examine such an embedding at the classical level and show that a suitable LTB…

广义相对论与量子宇宙学 · 物理学 2023-08-23 Kristina Giesel , Hongguang Liu , Eric Rullit , Parampreet Singh , Stefan Andreas Weigl

Wave-function methods have offered a robust, systematically improvable means to study ground-state properties in quantum many-body systems. Theories like coupled cluster and their derivatives provide highly accurate approximations to the…

强关联电子 · 物理学 2023-05-10 Gaurav Harsha , Thomas M. Henderson , Gustavo E. Scuseria

Hybrid particle-field molecular dynamics is a molecular simulation strategy wherein particles couple to a density field instead of through ordinary pair potentials. Traditionally considered a mean-field theory, a momentum and…

计算物理 · 物理学 2023-02-03 Morten Ledum , Samiran Sen , Sigbjørn Løland Bore , Michele Cascella

We consider the out-of-equilibrium dynamics of an interacting integrable system in the presence of an external dephasing noise. In the limit of large spatial correlation of the noise, we develop an exact description of the dynamics of the…

统计力学 · 物理学 2020-10-21 Alvise Bastianello , Jacopo De Nardis , Andrea De Luca

Hydrodynamic equations for a one-component plasma are derived as a generalization of the Euler equations to include the effects of the long-range Coulomb interaction. By using a variational principle, these equations self-consistently unify…

等离子体物理 · 物理学 2024-03-20 Daniels Krimans , Seth Putterman

We present steps towards an ab initio derivation of generalised hydrodynamics in quantum integrable models, starting from the Bethe wave functions, and explained on the example of the repulsive Lieb-Liniger model. This includes an…

统计力学 · 物理学 2026-04-30 Benjamin Doyon , Friedrich Hübner

The bootstrap program for 1+1-dimensional integrable Quantum Field Theories (QFT's) is developed to a large extent for the Homogeneous sine-Gordon (HSG) models. This program can be divided into various steps, which include the computation…

高能物理 - 理论 · 物理学 2007-05-23 Olalla A. Castro-Alvaredo