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We show that bipartite entanglement in a one-dimensional quantum spin model undergoing time-evolution under local Markovian environments can be frozen over time. We demonstrate this by using a number of paradigmatic quantum spin models in…

量子物理 · 物理学 2018-08-21 Titas Chanda , Tamoghna Das , Debasis Sadhukhan , Amit Kumar Pal , Aditi Sen De , Ujjwal Sen

A stochastic process, when subject to resetting to its initial condition at a constant rate, generically reaches a non-equilibrium steady state. We study analytically how the steady state is approached in time and find an unusual relaxation…

统计力学 · 物理学 2015-05-29 Satya N. Majumdar , Sanjib Sabhapandit , Gregory Schehr

We report on the dynamical scaling of momentum spectra for particle-antiparticle pairs at finite times within the framework of scalar Quantum Electrodynamics (QED). The analysis focuses on the momentum spectra in two different choices of…

高能物理 - 唯象学 · 物理学 2025-03-04 Deepak Sah , Manoranjan P. Singh

Recently, we proposed polycontextural networks as a model of evolving systems of interacting beliefs. Here, we present an analysis of the phase transition as well as the scaling properties. The model contains interacting agents that strive…

统计力学 · 物理学 2025-01-17 Johannes Falk , Edwin Eichler , Katja Windt , Marc-Thorsten Hütt

We analyse, using Inhomogenous Mode-Coupling Theory, the critical scaling behaviour of the dynamical susceptibility at a distance epsilon from continuous second-order glass transitions. We find that the dynamical correlation length xi…

无序系统与神经网络 · 物理学 2014-12-17 Saroj Kumar Nandi , Giulio Biroli , Jean-Philippe Bouchaud , Kunimasa Miyazaki , David R. Reichman

The so-called chaotic states that emerge on the model of $XY$ interacting on regular critical range networks are analyzed. Typical time scales are extracted from the time series analysis of the global magnetization. The large spectrum…

统计力学 · 物理学 2017-02-10 Martin Belger , Sarah De Nigris , Xavier Leoncini

Multi-Agent Reinforcement Learning involves agents that learn together in a shared environment, leading to emergent dynamics sensitive to initial conditions and parameter variations. A Dynamical Systems approach, which studies the evolution…

多智能体系统 · 计算机科学 2025-01-03 David Goll , Jobst Heitzig , Wolfram Barfuss

Evolutionary game theory has traditionally assumed that all individuals in a population interact with each other between reproduction events. We show that eliminating this restriction by explicitly considering the time scales of interaction…

种群与进化 · 定量生物学 2009-11-13 Carlos P. Roca , Jose A. Cuesta y Angel Sanchez

We demonstrate the existence of a universal transition from a continuous scale invariant phase to a discrete scale invariant phase for a class of one-dimensional quantum systems with anisotropic scaling symmetry between space and time.…

高能物理 - 理论 · 物理学 2018-04-24 Daniel K. Brattan , Omrie Ovdat , Eric Akkermans

We study the ABC model in the cyclic competition and neutral drift versions, with mutations and migrations introduced into the model. When stochastic phenomena are taken into account, there are three distinct regimes in the model. (i) In…

适应与自组织系统 · 物理学 2015-06-26 Margarita Ifti , Birger Bergersen

We consider a 2D XY model subjected to time-correlated noise, a model of direct relevance to active crystals, which were shown recently to be able to support very large deformations without melting in the presence of persistent…

统计力学 · 物理学 2026-02-26 Xia-qing Shi , Hugues Chaté , Benoît Mahault

The non-equilibrium relaxational properties of a three dimensional Coulomb glass model are investigated by kinetic Monte Carlo simulations. Our results suggest a transition from stationary to non-stationary dynamics at the equilibrium glass…

无序系统与神经网络 · 物理学 2007-05-23 Alejandro B. Kolton , D. R. Grempel , Daniel Dominguez

This study deals with an existing mathematical model of asymmetrically interacting agents. We analyze the following two previously unfocused features of the model: (i) synchronization of growth rates and (ii) initial value dependence of…

适应与自组织系统 · 物理学 2023-08-03 Yusuke Kato , Hiroshi Kori

We study a nonlinear q-voter model with stochastic noise, interpreted in the social context as independence, on a duplex network. To study the role of the multi-levelness we propose three methods of transferring the model from a mono- to a…

物理与社会 · 物理学 2015-12-02 Anna Chmiel , Katarzyna Sznajd-Weron

We consider the dynamics of fluctuations in the quantum asymmetric simple exclusion process (Q-ASEP) with periodic boundary conditions. The Q-ASEP describes a chain of spinless fermions with random hoppings that are induced by a Markovian…

统计力学 · 物理学 2022-02-02 Denis Bernard , Fabian H. L. Essler , Ludwig Hruza , Marko Medenjak

A pure and incompressible material is confined between two plates such that it is heated from below and cooled from above. When its melting temperature is comprised between these two imposed temperatures, an interface separating liquid and…

流体动力学 · 物理学 2020-02-11 Jhaswantsing Purseed , Benjamin Favier , Laurent Duchemin , Eric W. Hester

We study the damage spreading phenomena in two different ways in a opinion dynamics model introduced recently. This kinetic exchange type model is characterized by a fraction $q$ of negative interactions and shows the presence of an…

统计力学 · 物理学 2015-03-03 Abdul Khaleque , Parongama Sen

Dynamical phase transitions are defined through non-analyticities of the survival probability of an out-of-equilibrium time-evolving state at certain critical times. They ensue from zeros of the corresponding survival amplitude. By…

统计力学 · 物理学 2023-03-17 Ángel L. Corps , Pavel Stránský , Pavel Cejnar

We investigated the unbounded diffusion observed in a time-dependent oval-shaped billiard and its suppression owing to inelastic collisions with the boundary. The main focus is on the behavior of the diffusion coefficient, which plays a key…

混沌动力学 · 物理学 2025-12-10 Anne Kétri P. da Fonseca , Diego F. M. Oliveira , Edson D. Leonel

The role of the selection pressure and mutation amplitude on the behavior of a single-species population evolving on a two-dimensional lattice, in a periodically changing environment, is studied both analytically and numerically. The…

种群与进化 · 定量生物学 2009-11-13 Ioana Bena , Michel Droz , Janusz Szwabinski , Andrzej Pekalski