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The conventional theory of hydrodynamics describes the evolution in time of chaotic many-particle systems from local to global equilibrium. In a quantum integrable system, local equilibrium is characterized by a local generalized Gibbs…

Statistical Mechanics · Physics 2018-02-21 Vir B. Bulchandani , Romain Vasseur , Christoph Karrasch , Joel E. Moore

The model under consideration is a two-dimensional two-component plasma, stable against collapse for the dimensionless coupling constant $\beta<2$. The combination of a technique of renormalized Mayer expansion with the mapping onto the…

Statistical Mechanics · Physics 2007-05-23 L. Šamaj , I. Travěnec

The seasonal human influenza virus undergoes rapid evolution, leading to significant changes in circulating viral strains from year to year. These changes are typically driven by adaptive mutations, particularly in the antigenic epitopes,…

Populations and Evolution · Quantitative Biology 2024-11-28 Matthijs Meijers , Denis Ruchnewitz , Jan Eberhardt , Malancha Karmakar , Marta Łuksza , Michael Lässig

Cultivating oleaginous microalgae in specific culturing devices such as raceways is seen as a future way to produce biofuel. The complexity of this process coupling non linear biological activity to hydrodynamics makes the optimization…

Numerical Analysis · Mathematics 2012-09-05 Olivier Bernard , Anne-Celine Boulanger , Marie-Odile Bristeau , Jacques Sainte-Marie

The majority of Proto-planetary nebulae (PPN) are observed to have bipolar morphologies. The majority of mature PN are observed to have elliptical shapes. In this paper we address the evolution of PPN/PN morphologies attempting to…

Solar and Stellar Astrophysics · Physics 2015-05-28 Martín Huarte-Espinosa , Adam Frank , Bruce Balick , Eric G. Blackman , Orsola De Marco , Joel H. Kastner , Raghvendra Sahai

Phase transitions are characterized by a sharp change in the type of dynamics of microparticles, and their description usually requires quantum mechanics. Recently, a peculiar type of conductors was discovered in which two-dimensional (2D)…

Mesoscale and Nanoscale Physics · Physics 2022-07-28 A. N. Afanasiev , P. S. Alekseev , A. A. Greshnov , M. A. Semina

The Hamiltonian evolution of an isolated classical system is reversible, yet the second law of thermodynamics states that its entropy can only increase. This has confounded attempts to identify a `Microscopic Dynamical Entropy' (MDE), by…

Statistical Mechanics · Physics 2025-03-17 Mingnan Ding , Michael E. Cates

The immune system normally protects the human host against death by infection. However, when an immune response is mistakenly directed at self antigens, autoimmune disease can occur. We describe a model of protein evolution to simulate the…

Populations and Evolution · Quantitative Biology 2009-11-11 Jun Sun , David J. Earl , Michael W. Deem

The genome contains genetic information essential for cell's life. The genome's spatial organization inside the cell nucleus is critical for its proper function including gene regulation. The two major genomic compartments -- euchromatin…

Soft Condensed Matter · Physics 2026-04-24 S. Alex Rautu , Alexandra Zidovska , David Saintillan , Michael J. Shelley

The dynamics of molecular collisions in a macroscopic body are encoded by the parameter Thermodynamic entropy - a statistical measure of the number of molecular configurations that correspond to a given macrostate. Directionality in the…

Populations and Evolution · Quantitative Biology 2020-05-22 Lloyd Demetrius , Christian Wolf

Beta-PtO2 is a useful transition metal dioxide, but its fundamental thermodynamic and elastic properties remain unexplored. Using first-principles calculations, we systematically studied the structure, phonon, thermodynamic and elastic…

Materials Science · Physics 2019-05-10 Quan Chen , Wei Li , Yong Yang

We present a series of cosmological N-body simulations which make use of the hydrodynamic approach to the evolution of structures (Dominguez 2000). This approach addresses explicitly the existence of a finite spatial resolution and the…

Astrophysics · Physics 2009-11-11 Alexander Knebe , Alvaro Dominguez , Rosa Dominguez-Tenreiro

We carry out a detailed study of the orbital dynamics and structural evolution of over 6000 subhalos in the Via Lactea II simulation, from infall to present. By analyzing subhalos with masses down to m = 4e5 Msun, we find that lower mass…

Cosmology and Nongalactic Astrophysics · Physics 2015-10-13 J. D. Emberson , Takeshi Kobayashi , Marcelo A. Alvarez

Biomembranes and vesicles consisting of multiple phases can attain a multitude of shapes, undergoing complex shape transitions. We study a Cahn--Hilliard model on an evolving hypersurface coupled to Navier--Stokes equations on the surface…

Numerical Analysis · Mathematics 2019-11-01 John W. Barrett , Harald Garcke , Robert Nürnberg

There is increasing evidence that mammalian cells not only crawl on substrates but can also swim in fluids. To elucidate the mechanisms of the onset of motility of cells in suspension, a model which couples actin and myosin kinetics to…

Biological Physics · Physics 2019-09-18 Alexander Farutin , Jocelyn Etienne , Chaouqi Misbah , Pierre Recho

We study the evolution of turbulent magnetic fields from a topological point of view, invoking commonplace mathematical tools from general topology and dynamical systems theory which connect magnetic field evolution to time reversal…

High Energy Astrophysical Phenomena · Physics 2021-01-12 Amir Jafari , Ethan Vishniac

Evolutionally conserved quantity that specifies folding nuclei is pursued by a case study for a small protein (PDB code: 1ten). First it is demonstrated that the sequences of amino acids at folding nuclei are not conserved. Then 3D…

Biological Physics · Physics 2007-05-23 S. Nakamura , O. Narikiyo

We systematize and extend the description of vesicle growth and shape change using linear nonequilibrium thermodynamics. By restricting the study to shape changes from spheres to axisymmetric ellipsoids, we are able to give a consistent…

Soft Condensed Matter · Physics 2015-05-20 Richard G. Morris , Duccio Fanelli , Alan J. McKane

Exploring the protein-folding problem has been a long-standing challenge in molecular biology. Protein folding is highly dependent on folding of secondary structures as the way to pave a native folding pathway. Here, we demonstrate that a…

Biomolecules · Quantitative Biology 2020-09-17 Jiacheng Li , Xiaoliang Ma , Hongchi Zhang , Chengyu Hou , Liping Shi , Shuai Guo , Chenchen Liao , Bing Zheng , Lin Ye , Lin Yang , Xiaodong He

We investigate the hydrodynamic effects on the dynamics of critical concentration fluctuations in multicomponent fluid membranes. Two geometrical cases are considered; (i) confined membrane case and (ii) supported membrane case. We…

Soft Condensed Matter · Physics 2010-11-29 Sanoop Ramachandran , Shigeyuki Komura , Kazuhiko Seki , Masayuki Imai