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In this work, a higher-order irrotational strain gradient plasticity theory is studied in the small strain regime. A detailed numerical study is based on the problem of simple shear of a non-homogeneous block comprising an elastic-plastic…

材料科学 · 物理学 2019-06-26 Nothando Mhlongo , B Daya Reddy

Measured hadron yields from relativistic nuclear collisions can be equally well understood in two physically distinct models, namely a static thermal hadronic source vs.~a time-dependent, nonequilibrium hadronization off a quark-gluon…

核理论 · 物理学 2011-09-13 C. Spieles , H. Stoecker , C. Greiner

Convection has been discussed in the field of accretion discs for several decades, both as a means of angular momentum transport and also because of its role in controlling discs' vertical structure via heat transport. If the gas is…

太阳与恒星天体物理 · 物理学 2021-04-21 Loren E. Held , Henrik N. Latter

Stochastic systems often exhibit multiple viable metastable states that are long-lived. Over very long timescales, fluctuations may push the system to transition between them, drastically changing its macroscopic configuration. In realistic…

统计力学 · 物理学 2023-04-14 Tobias Grafke , Alessandro Laio

We study the thermodynamic curvature, $R$, around the chiral phase transition at finite temperature and chemical potential, within the quark-meson model augmented with meson fluctuations. We study the effect of the fluctuations, pions and…

高能物理 - 唯象学 · 物理学 2021-01-04 Paolo Castorina , Daniele Lanteri , Marco Ruggieri

In competitive industries, a reliable yield forecasting is a prime factor to accurately determine the production costs and therefore ensure profitability. Indeed, quantifying the risks long before the effective manufacturing process enables…

统计理论 · 数学 2013-12-06 Julie Oger , Emmanuel Lesigne , Philippe Leduc

When a Brownian particle, initially being in the potential well, overcomes the barrier and moves to the absorptive border, it still has a chance to be scattered back to the well by thermal fluctuations. We study this phenomenon carefully…

核理论 · 物理学 2018-03-21 Maria Chushnyakova , Igor Gontchar

The dilepton production at backward rapidities in $pAu$ and $pp$ collisions at RHIC and LHC energies is investigated in the dipole approach. The results are shown through the nuclear modification ratio $R_{pA}$ considering transverse…

We investigated the Rayleigh-Plateau instability at the interface between two immiscible liquids of equal viscosity using molecular dynamics simulations. Two types of initial conditions were considered, one with an imposed single-mode…

软凝聚态物质 · 物理学 2025-12-02 Shunta Kikuchi , Hiroshi Watanabe

The stationary and highly non-stationary resonant dynamics of the harmonically forced pendulum are described in the framework of a semi-inverse procedure combined with the Limiting Phase Trajectory concept. This procedure, implying only…

混沌动力学 · 物理学 2016-04-25 Leonid I. Manevitch , Valeri V. Smirnov , Francesco Romeo

Jump diffusion processes are widely used to model asset prices over time, mainly for their ability to capture complex discontinuous behavior, but inference on the model parameters remains a challenge. Here our goal is posterior inference on…

统计方法学 · 统计学 2017-02-23 Ryan Martin , Cheng Ouyang , Francois Domagni

The relativistic mean field approach by distinguishing \com{the slope of symmetry energy} is implemented into the Lanzhou quantum molecular dynamics transport model (LQMD.RMF). The collective flows in the isotopic nuclear reactions are…

核理论 · 物理学 2023-02-21 Si-Na Wei , Zhao-Qing Feng

The numerical solutions of nonlocal and local Boltzmann kinetic equations for the simulation of peripheral and central heavy ion reactions are compared. The experimental finding of enhancement of mid-rapidity matter shows the necessity to…

核理论 · 物理学 2007-05-23 Klaus Morawetz

Noise-induced transitions between metastable fixed points in systems evolving on multiple time scales are analyzed in situations where the time scale separation gives rise to a slow manifold with bifurcation. This analysis is performed…

统计力学 · 物理学 2017-10-05 Tobias Grafke , Eric Vanden-Eijnden

We extend the stationary-state work fluctuation theorem to periodically modulated nonlinear systems. Such systems often have coexisting stable periodic states. We show that work fluctuations sharply increase near a kinetic phase transition…

统计力学 · 物理学 2009-11-13 M. I. Dykman

We study the statistical properties of the yielding transition in model amorphous solids in the limit of slow, athermal deformation. Plastic flow occurs via alternating phases of elastic loading punctuated by rapid dissipative events in the…

软凝聚态物质 · 物理学 2021-05-04 Céline Ruscher , Jörg Rottler

In structural dynamics, energy dissipative mechanisms with non-viscous damping are characterized by their dependence on the time-history of the response velocity, mathematically represented by convolution integrals involving hereditary…

动力系统 · 数学 2018-05-22 Mario Lázaro

The velocity distribution in a homogeneously cooling granular gas has been studied in the viscoelastic regime when the restitution coefficient of colliding particles depends on the impact velocity. We show that for viscoelastic particles…

统计力学 · 物理学 2009-10-31 Nikolai V. Brilliantov , Thorsten Poeschel

We explore the stability of three-dimensional Weyl and Dirac semimetals subject to quasiperiodic potentials. We present numerical evidence that the semimetal is stable for weak quasiperiodic potentials, despite being unstable for weak…

无序系统与神经网络 · 物理学 2020-06-23 J. H. Pixley , Justin H. Wilson , David A. Huse , Sarang Gopalakrishnan

Replacement reactions during fluid infiltration into porous media, rocks and buildings are known to have important implications for reservoir development, ore formation as well as weathering. Natural observations and experiments have shown…