Results 61 to 70 of about 7,001,061 (272)

A reformulation of mechanics and electrodynamics

open access: yesHeliyon, 2017
Classical mechanics, as commonly taught in engineering and science, are confined to the conventional Newtonian theory. But classical mechanics has not really changed in substance since Newton formulation, describing simultaneous rotation and translation ...
Mario J. Pinheiro
doaj   +1 more source

Enhanced tensor non-Gaussianities in presence of a source

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
We address the possibility of having an enhanced signal for tensor non-Gaussianities in presence of a source, as a signature of Primordial Gravitational Waves.
Abhishek Naskar, Supratik Pal
doaj   +1 more source

Innovations in Statistical Physics [PDF]

open access: yesAnnual Review of Condensed Matter Physics, 2015
In 1963–71, a group of people, myself included, formulated and perfected a new approach to physics problems, which eventually came to be known under the names of scaling, universality, and renormalization. This work formed the basis of a wide variety of theories ranging from a starting point in critical phenomena, moving out to particle physics and ...
openaire   +3 more sources

Inflation, (p)reheating and neutrino anomalies: production of sterile neutrinos with secret interactions

open access: yesEuropean Physical Journal C: Particles and Fields, 2019
A number of experimental anomalies involving neutrinos hint towards the existence of at least an extra (a very light) sterile neutrino. However, such a species, appreciably mixing with the active neutrinos, is disfavored by different cosmological ...
Arnab Paul   +3 more
doaj   +1 more source

Investigating Problem Solving and Mathematical Connections in Solving the Fermi-Dirac Equation

open access: yesInternational Journal of Education and Teaching Zone, 2022
This study aimed to describe the problem-solving abilities and mathematical connections of the sixth-semester students of Physics Tadris in the Statistical Physics course, especially the Bose-Einstein Equation Material.
Misbah Misbah   +3 more
doaj   +1 more source

Group chasing tactics: how to catch a faster prey

open access: yesNew Journal of Physics, 2017
We propose a bio-inspired, agent-based approach to describe the natural phenomenon of group chasing in both two and three dimensions. Using a set of local interaction rules we created a continuous-space and discrete-time model with time delay, external ...
Milán Janosov   +3 more
doaj   +1 more source

Machine learning phases in statistical physics [PDF]

open access: yes, 2018
Conventionally, the study of phases in statistical mechan- ics is performed with the help of random sampling tools. Among the most powerful are Monte Carlo simulations consisting of a stochastic importance sampling over state space and evaluation of ...
Chen, Qi, Ph. D.
core   +1 more source

Statistics in Physics [PDF]

open access: yesNature, 1967
Statistical Physics By Gregory H. Wannier. Pp. xii + 532. (New York and London: John Wiley and Sons, 1966.) 90s.
openaire   +2 more sources

Statistical Physics for Cosmic Structures [PDF]

open access: yes, 2005
The physics of scale-invariant and complex systems is a novel interdisciplinary field. Its ideas allow us to look at natural phenomena in a radically new and original way, eventually leading to unifying concepts independent of the detailed structure of the systems.
A Gabrielli   +3 more
openaire   +6 more sources

Emergent failures and cascades in power grids: a statistical physics perspective [PDF]

open access: yesPhysical Review Letters, 2017
We model power grids transporting electricity generated by intermittent renewable sources as complex networks, where line failures can emerge indirectly by noisy power input at the nodes.
T. Nesti, Alessandro Zocca, B. Zwart
semanticscholar   +1 more source

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