Results 81 to 90 of about 95,084 (260)
Small kinetic mixing in string theory
Journal of High Energy PhysicsKinetic mixing between gauge fields of different U(1) factors is a well-studied phenomenon in 4d EFT. In string compactifications with U(1)s from sequestered D-brane sectors, kinetic mixing becomes a key target for the UV prediction of a ...
Arthur Hebecker +2 more
doaj +1 more source
Fourier’s Law in a Generalized Piston Model
Entropy, 2017 A simplified, but non trivial, mechanical model—gas of N particles of mass m in a box partitioned by n mobile adiabatic walls of mass M—interacting with two thermal baths at different temperatures, is discussed in the framework of kinetic theory ...
Lorenzo Caprini +3 more
doaj +1 more source
Kinetic Theory and Memory Effects of Homogeneous Inelastic Granular Gases under Nonlinear Drag. [PDF]
Entropy (Basel), 2022 Megías A, Santos A.
europepmc +1 more source
Historical Foundation and Practical Guideline for Ferroelectric Switching Kinetic Studies
Advanced Functional Materials, EarlyView.The P and U pulses in the conventional PUND measurements are not identical because of the interplay between switching current and the measurement circuit components. This circuit effect can lead to a shift in polarization transients and misinterpreted physics in the switching kinetics.
Yi Liang, Pat Kezer, John T. Heron
wiley +1 more source
Conformal Symmetry and Cosmological Entropy Production
Entropy, 2002 : Introducing an effective refraction index of an isotropic cosmic medium, we investigate the cosmological fluid dynamics which is consistent with a conformal, timelike symmetry of a corresponding "optical" metric.
Alexander B. Balakin, Winfried Zimdahl
doaj +1 more source
A generalized Flory-Stockmayer kinetic theory of connectivity percolation and rigidity percolation of cytoskeletal networks. [PDF]
PLoS Comput Biol, 2022 Bueno C +4 more
europepmc +1 more source
Bio‐Inspired Synthesis of Macroporous Single Crystal Particles as Scattering Agents
Advanced Functional Materials, EarlyView.A general strategy is presented that delivers unique, single‐crystal microparticles that combine submicron macroporosity and uniform particle shapes. A bioinspired approach is used to occlude three distinct types of additives – polystyrene microspheres, polymer vesicles and amino acids – within calcite single crystals, and subsequent thermal annealing ...
Stephanie E. Foster +11 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Thermal conductivity changes non‐monotonically as regioregular (RR) and regiorandom (RRa) P3HT films are doped with F4TCNQ as a function of the extent to which P3HT is doped: an increase in thermal conductivity is observed upon lightly doping P3HT compared to the undoped film, followed by a decrease in the heavily doped regime. ABSTRACT The performance
Reid W. Wilson +9 more
wiley +1 more source
Równanie Boltzmanna i Jego Znaczenie w Teorii Gazów
Engineering Transactions, 1955 Three ways of studying phenomena occurring in gases represented by phenomenological hydrodynamics, kinetic theory and statistical mechanics are discussed as well as the relations between them.
Zdzisław Szymański
doaj
Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies
Advanced Functional Materials, EarlyView.Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke +3 more
wiley +1 more source