Physical Review E最新文献

Skyrmion flow in periodically modulated channels. 周期性调制通道中的天河流。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.L042601

Klaus Raab, Maurice Schmitt, Maarten A Brems, Jan Rothörl, Fabian Kammerbauer, Sachin Krishnia, Mathias Kläui, Peter Virnau

引用次数: 0

Analytical solution of susceptible-infected-recovered models on homogeneous networks. 同构网络上易感-感染-恢复模型的解析解。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044307

Louis Bremaud, Olivier Giraud, Denis Ullmo

{"title":"Analytical solution of susceptible-infected-recovered models on homogeneous networks.","authors":"Louis Bremaud, Olivier Giraud, Denis Ullmo","doi":"10.1103/PhysRevE.110.044307","DOIUrl":"https://doi.org/10.1103/PhysRevE.110.044307","url":null,"abstract":"The ability to actually implement epidemic models is a crucial stake for public institutions, as they may be overtaken by the increasing complexity of current models and sometimes tend to revert to less elaborate models such as the susceptible-infected-recovered (SIR) model. In our work, we study a simple epidemic propagation model, called SIR-k, which is based on a homogeneous network of degree k, where each individual has the same number k of neighbors. This model represents a refined version of the basic SIR which assumes a completely homogeneous population. We show that nevertheless, analytical expressions, simpler and richer than the ones existing for the SIR model, can be derived for this SIR-k model. In particular, we obtain an exact implicit analytical solution for any k, from which quantities such as the epidemic threshold or the total number of agents infected during the epidemic can be obtained. We furthermore obtain simple exact explicit solutions for small ks, and in the large k limit we find a new formulation of the analytical solution of the basic SIR model, which comes with new insights.","PeriodicalId":48698,"journal":{"name":"Physical Review E","volume":"110 4-1","pages":"044307"},"PeriodicalIF":2.2,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142677333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Collapses and revivals of spin polarization quantum oscillations in two-dimensional systems of spin 1/2 charged particles with spin-orbit interaction. 具有自旋轨道相互作用的自旋 1/2带电粒子二维系统中自旋极化量子振荡的坍缩与复苏。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044117

N S Maslova, V N Mantsevich, I M Sokolov, P I Arseyev

引用次数: 0

Emergence of social phases in human movement. 人类运动中社会阶段的出现。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044303

Yi Zhang, Debasish Sarker, Samantha Mitsven, Lynn Perry, Daniel Messinger, Udo Rudolph, Michael Siller, Chaoming Song

{"title":"Emergence of social phases in human movement.","authors":"Yi Zhang, Debasish Sarker, Samantha Mitsven, Lynn Perry, Daniel Messinger, Udo Rudolph, Michael Siller, Chaoming Song","doi":"10.1103/PhysRevE.110.044303","DOIUrl":"https://doi.org/10.1103/PhysRevE.110.044303","url":null,"abstract":"Recent empirical studies have found different thermodynamic phases for collective motion in animals. However, such a thermodynamic description of human movement remains unclear. Existing studies of traffic and pedestrian flows have primarily focused on relatively high-speed mobility data, revealing only a fluidlike phase. This focus is partly because the parameter space of low-speed movement, which is governed predominantly by pairwise social interaction, remains largely uncharted. Here, we used ultrawideband radio frequency identification (UWB-RFID) technology to collect high-resolution spatiotemporal data on movements in four different classroom and playground settings. We observed two unique social phases in children's movements: a gaslike phase of free movement and a liquid-vapor coexistence phase characterized by the formation of small social groups. We also developed a simple statistical physics model that can reproduce different empirically observed phases. The proposed UWB-RFID technology can also be used to study the dynamics of active matter systems, including animal behavior, coordinating robotic swarms, and monitoring human interactions within complex systems, potentially benefiting future research in social physics.","PeriodicalId":48698,"journal":{"name":"Physical Review E","volume":"110 4-1","pages":"044303"},"PeriodicalIF":2.2,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142677360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Probing double-distribution-function models in discrete-velocity Boltzmann methods for highly compressible flows: Particles-on-demand realization. 高度可压缩流离散速度玻尔兹曼方法中的双分布函数模型探测：粒子按需实现。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.045313

S A Hosseini, A Bhadauria, I V Karlin

引用次数: 0

Absolute negative mobility of an inertial Brownian particle in an oscillating potential. 振荡势中惯性布朗粒子的绝对负迁移率。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044144

Jian-Chun Wu, Feng Yang, Tian-Wen Dong, Meng An

引用次数: 0

Rényi entanglement entropy of a spin chain with generative neural networks. 具有生成神经网络的自旋链的雷尼纠缠熵。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044116

Piotr Białas, Piotr Korcyl, Tomasz Stebel, Dawid Zapolski

引用次数: 0

Rhythmic states and first-order phase transitions in adaptive coupled three-dimensional limit-cycle oscillators. 自适应耦合三维极限周期振荡器中的节奏状态和一阶相变。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044209

Jiangsheng Wang, Changgui Gu, Wei Zou

引用次数: 0

Unified approach to reset processes and application to coupling between process and reset. 重置流程的统一方法以及流程与重置之间耦合的应用。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044138

G John Lapeyre, Tomás Aquino, Marco Dentz

{"title":"Unified approach to reset processes and application to coupling between process and reset.","authors":"G John Lapeyre, Tomás Aquino, Marco Dentz","doi":"10.1103/PhysRevE.110.044138","DOIUrl":"https://doi.org/10.1103/PhysRevE.110.044138","url":null,"abstract":"Processes under reset, where realizations are interrupted according to some stochastic rule and restarted from the initial state, find broad application in modeling physical, chemical, and biological phenomena and in designing search strategies. While a wealth of theoretical results has been recently obtained, current derivations tend to focus on specific processes, obscuring the general principles and preventing broad applicability. We present a unified approach to those observables of stochastic processes under reset that take the form of averages of functionals depending on the most recent renewal period. We derive general solutions, and determine the conditions for existence and equality of stationary values with and without reset. For intermittent (i.e., broadly distributed) reset times, we derive exact asymptotic expressions for observables that vary asymptotically as a power of time. We illustrate the general approach with results for occupation densities and moments of subdiffusive processes. We focus on subdiffusion-decay processes with microscopic dependence between transport and decay, where the probability of a random walker to be removed and subsequently restarted depends on the local transit times. In contrast to the uncoupled case, restarting the particle upon decay does not produce a probability current associated with restart equal to the decay rate, but instead drastically alters the time dependence of the decay rate and the resulting current due to memory effects associated with ageing. Our framework shows that such effects are independent of the specific microscopic details, uncovering the general impact of restart on occupation densities, spatial moments, and other quantities.","PeriodicalId":48698,"journal":{"name":"Physical Review E","volume":"110 4-1","pages":"044138"},"PeriodicalIF":2.2,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142677621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unified hierarchical relationship between thermodynamic tradeoff relations. 热力学权衡关系之间的统一层次关系。

IF 2.2 3区物理与天体物理

Physical Review E Pub Date : 2024-10-01 DOI: 10.1103/PhysRevE.110.044131

Euijoon Kwon, Jong-Min Park, Jae Sung Lee, Yongjoo Baek

{"title":"Unified hierarchical relationship between thermodynamic tradeoff relations.","authors":"Euijoon Kwon, Jong-Min Park, Jae Sung Lee, Yongjoo Baek","doi":"10.1103/PhysRevE.110.044131","DOIUrl":"https://doi.org/10.1103/PhysRevE.110.044131","url":null,"abstract":"Recent years have witnessed a surge of discoveries in the studies of thermodynamic inequalities: the thermodynamic uncertainty relation (TUR) and the entropic bound (EB) provide a lower bound on the entropy production (EP) in terms of nonequilibrium currents; the classical speed limit (CSL) expresses the lower bound on the EP using the geometry of probability distributions; the power-efficiency (PE) tradeoff dictates the maximum power achievable for a heat engine given the level of its thermal efficiency. In this study, we show that there exists a unified hierarchical structure encompassing all of these bounds, with the fundamental inequality given by an extension of the TUR (XTUR) that incorporates the most general range of currentlike and state-dependent observables. By selecting more specific observables, the TUR and the EB follow from the XTUR, and the CSL and the PE tradeoff follow from the EB. Our derivations cover both Langevin and Markov jump systems, with the first proof of the EB for the Markov jump systems and a more generalized form of the CSL. We also present concrete examples of the EB for the Markov jump systems and the generalized CSL.","PeriodicalId":48698,"journal":{"name":"Physical Review E","volume":"110 4-1","pages":"044131"},"PeriodicalIF":2.2,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142677622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0