Article
Physics, Fluids & Plasmas
Carlos Gracia-Lazaro, Edgardo Brigatti, Alexis R. Hernandez, Yamir Moreno
Summary: We study the effect of polarization in Axelrod's model of cultural dissemination by introducing a cultural feature that takes only two values. Our results show that polarization reduces the model's characteristic phase transition to a finite-size effect, with only the ordered phase present at the thermodynamic limit. Additionally, the stationary state of finite system sizes depends on the percolation threshold of the network, resulting in a polarized phase for thresholds below 1/2 and a fragmented multicultural phase otherwise.
Article
Biochemistry & Molecular Biology
Yuting Peng, Wenjing Yu, Xinxin Feng, Tianlv Xu, Herbert Fruchtl, Tanja van Mourik, Steven R. Kirk, Samantha Jenkins
Summary: In this study, we used next-generation QTAIM to explain the cis-effect for two families of molecules by tracking the motion of bond critical points in stress tensor trajectories. By associating bond-bending and bond-twisting components with cis- and trans-characteristics, qualitative agreement with existing experimental data was found, and predictions were made in the absence of experimental data.
Article
Geosciences, Multidisciplinary
Nimrod Gavriel, Yohai Kaspi
Summary: The Juno mission discovered polar cyclones at both poles of Jupiter, each surrounded by a ring of circumpolar cyclones. By analyzing the forces acting on these cyclones, researchers were able to predict their location and number based on the size and spin of the polar cyclones. This study suggests that vortices in the polar regions of giant planets are primarily governed by barotropic dynamics and interactions with background vorticity.
Article
Chemistry, Physical
Shivangi Dubey, Kuldeep Kumar, P. Arun
Summary: This manuscript presents various simple LCR circuits that explain the surface plasmon resonance (SPR) behavior of spherical metal nanoparticles. The simulation results using QUCS demonstrate similarity with the SPR results in the literature, effectively explaining the size-effect, the influence of the surrounding dielectric medium, and the proximity effect of densely packed metal nanoparticles. Additionally, the study explores the circuital parameters to explain these material-dependent observations, providing insights into the role of material parameters on the influence of the surrounding dielectric medium and the proximity effect.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Multidisciplinary Sciences
Han Wang, Colin Prentice, Ian J. Wright, David I. Warton, Shengchao Qiao, Xiangtao Xu, Jian Zhou, Kihachiro Kikuzawa, Nils Chr. Stenseth
Summary: The life span of leaves is positively correlated with their mass per unit area (LMA), but the underlying mechanism remains unclear. By analyzing large leaf trait datasets, we found that this empirical generalization is a result of natural selection, which maximizes average net carbon gain over the leaf life cycle. We demonstrated how evergreen and deciduous species with different construction costs (assumed proportional to LMA) are selected by light, temperature, and growing-season length in predictable ways. Moreover, we explained the observed divergent latitudinal trends in evergreen and deciduous LMA and showed how local distributions of LMA arise from selection under different environmental conditions acting on the species pool. These findings highlight how optimality principles can contribute to a new theory for plant geography and terrestrial carbon dynamics.
Article
Astronomy & Astrophysics
Jason D. D. Hofgartner, Kevin P. P. Hand
Summary: The radar properties of icy satellites of Jupiter and Saturn differ significantly from those of rocky planets due to the lower absorptivity of water ice. However, the exact mechanisms behind these differences are uncertain. In this study, we modified a backscatter model and found that the coherent backscatter opposition effect (CBOE) plays a significant role in driving the circular polarization ratios of icy satellites. Our predictions suggest that the linear polarization ratios and the incidence angle variation properties also vary along a continuum. The modified CBOE model indicates that world beyond Saturn's orbit rich in non-water ices may have even more extreme radar properties.
Article
Multidisciplinary Sciences
Andrew D. Friend, Annemarie H. Eckes-Shephard, Quinten Tupker
Summary: Wood is a valuable material that holds great cultural, economic, and biogeochemical significance. However, the process of wood formation is not well understood. This study presents a theoretical framework based on observations of Pinus sylvestris L. in northern Sweden, explaining the anatomical properties of wood as a result of interactions between new cell production, developmental zone dynamics, and carbohydrate distribution over time and space. The diffusion of carbohydrates is found to be crucial in determining the final ring anatomy, challenging current understanding of wood formation in response to environmental variability and redefining the interpretation of tree rings as climate proxies.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Lucas Huber, Sebastian F. Maehrlein, Feifan Wang, Yufeng Liu, X. -Y. Zhu
Summary: The ultrafast optical Kerr effect is commonly used to investigate structural dynamics and interactions of materials, with non-degenerate mixing schemes allowing for more accurate detection. Two-color experiments can reveal sources of temporal dynamics in the OKE signal, showing how birefringence in crystalline solids can entirely change the character of the signal.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Physics, Fluids & Plasmas
Gustavo H. B. Martins, Welles A. M. Morgado, Silvio M. Duarte Queiros, Allbens P. F. Atman
Summary: The study used a discrete element method to investigate the uprising of an intruder in a granular media under vibration, confirming granular ratcheting and convection as leading mechanisms. The role of resonance on the intruder's rising was demonstrated, and a resonance-qualitylike curve of the ascent rate as a function of external frequency was obtained and verified for different values of gravity and system size. Additionally, a large deviation function analysis showed a significant difference between systems with walls and pbc.
Article
Physics, Multidisciplinary
Alejandro Dinkelberg, Padraig MacCarron, Paul J. Maher, Michael Quayle
Summary: This paper analyzes an extension to Axelrod's model for opinion-based groups and explores the impact of changing the network topology. The study aims to combine the Axelrod model with attitudinal survey data for empirical applications. Results show that the underlying network structure has minimal influence on macro-level outcomes, as homophily structure among individuals outweighs network topology in the long run simulations.
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2021)
Article
Geosciences, Multidisciplinary
Nan Zhang, Min Ding, Meng-Hua Zhu, Huacheng Li, Haoyuan Li, Zongyu Yue
Summary: This study reveals that the compositional asymmetry between the nearside and farside of the Moon can be explained by impact-induced mantle convection and gravitational instability. Numerical simulations of the South Pole-Aitken impact event and subsequent mantle evolution suggest that the dense KREEP-rich ilmenite-bearing cumulate migrated towards the nearside, resulting in the observed geochemical asymmetry.
Article
Psychology, Multidisciplinary
Daniela Lohaus, Wolfgang Habermann, Malte Nachreiner
Summary: This study examines the relationship between experienced and expected consequences of sickness presenteeism, considering both positive and negative effects. The findings suggest that individuals engage in presenteeism primarily due to work-related effects, such as completing tasks and meeting deadlines. The results align with the health belief model and the expectancy value theory of work motivation.
FRONTIERS IN PSYCHOLOGY
(2022)
Article
Astronomy & Astrophysics
M. C. Gordillo, F. De Soto, J. Segovia
Summary: Two decades after its discovery, the nature of the X(3872) exotic resonance remains under scrutiny, with recent research suggesting a meson-meson molecular configuration as preferred, contrary to the usual assumption of a D-0(D) over bar*(0) molecule.
Article
Energy & Fuels
Xiaoyu Su, Zengchao Feng, Yuanping Cheng, Tingting Cai, Yongxing Shen
Summary: The slippage effect in coalbed methane migration is an important phenomenon that becomes more pronounced with CBM exploitation. This study investigates the evolution of the slippage effect during CBM extraction by heat injection through various tests. The influence of temperature and pore pressure on the slippage effect is analyzed, and the mechanisms of thermal expansion deformation and adsorption characteristics are considered. The results show that pore pressure and temperature have significant effects on the slippage effect, and the combined influence of temperature and pore pressure involves thermal expansion deformation, desorption deformation, and effective stress. The findings provide a basis for CBM exploitation technology using heat injection.
Review
Soil Science
Giora J. Kidron, Thomas Fischer, Bo Xiao
Summary: The effects of biocrusts on evaporation are still not fully understood. Some scholars argue that biocrusts decrease evaporation and play a positive role in preserving soil moisture and promoting plant growth, while others claim that biocrusts increase evaporation, negatively affecting the growth and survival of vascular plants.
Article
Biology
Jose F. Fontanari, Francisco A. Rodrigues
THEORY IN BIOSCIENCES
(2016)
Article
Physics, Condensed Matter
Jose F. Fontanari, Mauro Santos
EUROPEAN PHYSICAL JOURNAL B
(2017)
Article
Biology
Caroline Franco, Jose F. Fontanari
MATHEMATICAL BIOSCIENCES
(2017)
Article
Computer Science, Artificial Intelligence
Jose F. Fontanari
COGNITIVE SYSTEMS RESEARCH
(2018)
Review
Biology
Sandro M. Reia, Andre C. Amado, Jose F. Fontanari
PHYSICS OF LIFE REVIEWS
(2019)
Article
Mechanics
Paulo R. A. Campos, Jose F. Fontanari
JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
(2019)
Article
Physics, Condensed Matter
Sandro M. Reia, Paulo F. Gomes, Jose F. Fontanari
EUROPEAN PHYSICAL JOURNAL B
(2019)
Article
Physics, Condensed Matter
Sandro M. Reia, Paulo F. Gomes, Jose F. Fontanari
EUROPEAN PHYSICAL JOURNAL B
(2019)
Article
Physics, Multidisciplinary
Sandro M. Reia, Jose F. Fontanari
Summary: The study of citations in scientific literature, also known as the 'science of science,' reveals that citations have a cascading effect and can explain many patterns in citation behavior. By using the SIR epidemic model, researchers can gain insights into the citation dynamics of well-cited papers and their impact on academic communities. There is a good, though not perfect, agreement between journal rankings based on epidemiological parameters and impact factors.
EUROPEAN PHYSICAL JOURNAL PLUS
(2021)
Article
Physics, Condensed Matter
Peter Hardy, Leandro Soriano Marcolino, Jose F. Fontanari
Summary: During lockdowns, productivity is influenced differently for introverts and extroverts, with predominantly introverted groups experiencing a negative impact and predominantly extroverted groups potentially seeing an improvement. This paradox of productivity during quarantine can be explained by considering the distinct effects of social distancing measures on individuals with different social interaction tendencies.
EUROPEAN PHYSICAL JOURNAL B
(2021)
Article
Physics, Fluids & Plasmas
Paulo F. Gomes, Sandro M. Reia, Francisco A. Rodrigues, Jose F. Fontanari
Article
Computer Science, Artificial Intelligence
Jose F. Fontanari
COGNITIVE SYSTEMS RESEARCH
(2017)
Article
Ecology
Sandro M. Reia, Jose F. Fontanari
ECOLOGICAL COMPLEXITY
(2017)
Article
Physics, Fluids & Plasmas
Sandro M. Reia, Sebastian Herrmann, Jose F. Fontanari
Article
Mathematics
Jose F. Fontanari