Color Symmetry and its Role in Phase Transition Theory

1990 ◽  
pp. 358-403
Author(s):  
Yu. A. Izyumov ◽  
V. N. Syromyatnikov
Keyword(s):  
Phase Transition ◽  
Transition Theory ◽  
Color Symmetry

Dynamic Models for Magnetorheological Dampers and its Feedback Linearization

2009 ◽  
Vol 79-82 ◽  
pp. 1205-1208 ◽  
Author(s):  
Cheng Zhang ◽  
Lin Xiang Wang
Keyword(s):  
Differential Equation ◽  
Phase Transition ◽  
Ordinary Differential Equation ◽  
Feedback Linearization ◽  
Dynamic Models ◽  
Nonlinear Ordinary Differential Equation ◽  
Transition Theory ◽  
Magnetorheological Dampers ◽  
Differential Model ◽  
Mr Dampers

In the current paper, the hysteretic dynamics of magnetorheological dampers is modeled by a differential model. The differential model is constructed on the basis of a phenomenological phase transition theory. The model is expressed as a second order nonlinear ordinary differential equation with bifurcations embedded in. Due to the differential nature of the model, the hysteretic dynamics of the MR dampers can be linearized and controlled by introducing a feedback linearization strategy.

Coil-bridge transition in a single polymer chain as an unconventional phase transition: Theory and simulation

2014 ◽  
Vol 140 (20) ◽  
pp. 204908 ◽  
Author(s):  
Leonid I. Klushin ◽  
Alexander M. Skvortsov ◽  
Alexey A. Polotsky ◽  
Hsiao-Ping Hsu ◽  
Kurt Binder
Keyword(s):  
Phase Transition ◽  
Polymer Chain ◽  
Transition Theory ◽  
Single Polymer Chain

Estimate of the life of a material under creep conditions in the phase-transition theory

2003 ◽  
Vol 48 (7) ◽  
pp. 379-381 ◽  
Author(s):  
N. A. Zharkova ◽  
L. R. Botvina
Keyword(s):  
Phase Transition ◽  
Transition Theory

scholarly journals Влияние gamma-облучения и допирования диоксидом кремния на свойства политетрафторэтилена

2019 ◽  
Vol 61 (7) ◽  
pp. 1386
Author(s):  
В.М. Егоров ◽  
П.Н. Якушев ◽  
М.А. Арсентьев ◽  
А.С. Смолянский
Keyword(s):  
Phase Transition ◽  
Structural Changes ◽  
Mechanical Analysis ◽  
Thermal Capacity ◽  
Transition Theory ◽  
Glass Transitions ◽  
First Order ◽  
First Order Phase Transition ◽  
First Order Phase ◽  
Academy Of Sciences

V. M. Egorov1, P. N. Yakushev1, M. A. Arsentiev2,3, A.S. Smoliansky2,3. 1Ioffe Institute, Russian Academy of Sciences, St. Petersburg, Russia 2 Branch of JSC Karpov NIFHI, Moscow, Russia 3 Mendeleev University of Chemical Technology, Moscow, Russia A comparative analysis for the melting of Polytetrafluoroethylene both in the initial and irradiated state and for composition with 1% "green" silica has been carried out. The method of Dynamic Mechanical Analysis was used to characterize the glass transitions for all compositions studied. The calculation based on the smeared first-order phase transition theory for the contours of the thermal capacity peaks made it possible to reveal the features of structural changes in the composite and in the irradiated Polytetrafluoroethylene.

scholarly journals Phase transitions in biology: from bird flocks to population dynamics

2021 ◽  
Vol 288 (1961) ◽  
Author(s):  
Elleard F. W. Heffern ◽  
Holly Huelskamp ◽  
Sonya Bahar ◽  
R. Fredrik Inglis
Keyword(s):  
Phase Transition ◽  
Phase Transitions ◽  
Population Decline ◽  
Neuronal Firing ◽  
Transition Theory ◽  
Biological Processes ◽  
Microbial Responses ◽  
Extinction Events ◽  
Exciting Area ◽  
Insight Into

Phase transitions are an important and extensively studied concept in physics. The insights derived from understanding phase transitions in physics have recently and successfully been applied to a number of different phenomena in biological systems. Here, we provide a brief review of phase transitions and their role in explaining biological processes ranging from collective behaviour in animal flocks to neuronal firing. We also highlight a new and exciting area where phase transition theory is particularly applicable: population collapse and extinction. We discuss how phase transition theory can give insight into a range of extinction events such as population decline due to climate change or microbial responses to stressors such as antibiotic treatment.

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