Results 61 to 70 of about 4,563,863 (188)

Topological String Defect Formation During the Chiral Phase Transition [PDF]

open access: yes, 2001
We extend and generalize the seminal work of Brandenberger, Huang and Zhang on the formation of strings during chiral phase transitions(berger) and discuss the formation of abelian and non-abelian topological strings during such transitions in the early ...
A. P. BALACHANDRAN   +9 more
core   +5 more sources

Phase transitions in social impact models of opinion formation

open access: yes, 2000
We study phase transitions in models of opinion formation which are based on the social impact theory. Two different models are discussed: (i) a cellular--automata based model of a finite group with a strong leader where persons can change their opinions
Bahr   +31 more
core   +2 more sources

Determination of resonance locations in NGC 613 from morphological arguments

open access: yes, 2018
In this paper, we present BVRI imaging data of NGC 613. We use these data to determine the corotation radius of the bar, using the photometric phase crossing method. This method uses the phase angle of the spiral structure in several wavebands, and looks
Harrington, Amber   +2 more
core   +1 more source

Phase Transformation in Mixtures of Clay–Glass–Hematite–Waste Activated Sludge During Sintering

open access: yesCeramics
This work analyzes phase transformations in quaternary mixtures (clay–glass–hematite–waste activated sludge (WAS)), processed at 800–1000 °C under conditions of oxygen deficiency.
Abigail Parra Parra   +4 more
doaj   +1 more source

H2 distribution during 2-phase Molecular Cloud Formation

open access: yes, 2015
We performed high-resolution, 3D MHD simulations and we compared to observations of translucent molecular clouds. We show that the observed populations of rotational levels of H2 can arise as a consequence of the multi-phase structure of the ISM.Comment:
Gerin, M.   +3 more
core   +1 more source

Cluster expansion Monte Carlo study of phase stability of vanadium nitrides [PDF]

open access: yes, 2010
Phase stability of stable and metastable vanadium nitrides is studied using density functional theory (DFT) based total-energy calculations combined with cluster expansion Monte Carlo simulation and supercell methods.
Ravi, C.   +3 more
core   +1 more source

Cubic phases in phosphatidylethanolamine dispersions: Formation, stability and phase transitions

open access: yesChemistry and Physics of Lipids, 2017
The non-lamellar phases formed by membrane lipids in diluted aqueous dispersions are mainly represented by the inverted hexagonal phase, HII, and phases of cubic symmetry, among them the bicontinuous cubic phases Pn3m (Q224), Im3m (Q229) and Ia3d (Q230).
Boris, Tenchov, Rumiana, Koynova
openaire   +3 more sources

Synthesis, Phase Formation, and Raman Spectroscopy of Ni and Zn(Mg) Codoped Bismuth Stibate Pyrochlore

open access: yesChemistry
Complex antimony pyrochlores Bi2.7M0.46Ni0.70Sb2O10+Δ (M = Zn, Mg) were synthesized from oxide precursors, using the solid-state reaction method.
Nadezhda A. Zhuk   +8 more
doaj   +1 more source

Phase Formation Study of Solid-State LLZNO and LLZTO via Structural, Thermal, and Morphological Analyses

open access: yesCeramics
Garnet-type Li7La3Zr2O12 (LLZO) is a solid electrolyte candidate for ASSLBs, owing to its wide electrochemical window and intrinsic safety. Yet phase-pure LLZO remains difficult because secondary phases form, and the transition towards the tetragonal ...
Chengjian Li   +5 more
doaj   +1 more source

Equilibrium phase behavior of the square-well linear microphase-forming model

open access: yes, 2016
We have recently developed a simulation approach to calculate the equilibrium phase diagram of particle-based microphase formers. Here, this approach is used to calculate the phase behavior of the square-well linear model for different strengths and ...
Charbonneau, Patrick, Zhuang, Yuan
core   +1 more source

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