Nonlocal Shear Viscosity and Order-Parameter Dynamics near the Critical Point of Fluids

1972 ◽  
Vol 29 (1) ◽  
pp. 48-51 ◽  
Author(s):  
Kyozi Kawasaki ◽  
Shih-Min Lo
Keyword(s):  
Critical Point ◽  
Shear Viscosity ◽  
Order Parameter

Shear viscosity and order parameter dynamics of fluids near the critical point

1974 ◽  
Vol 61 (7) ◽  
pp. 2957-2963 ◽  
Author(s):  
David W. Oxtoby ◽  
William M. Gelbart
Keyword(s):  
Critical Point ◽  
Shear Viscosity ◽  
Order Parameter

scholarly journals Order parameter fluctuations at a buried quantum critical point

2012 ◽  
Vol 109 (19) ◽  
pp. 7224-7229 ◽  
Author(s):  
Y. Feng ◽  
J. Wang ◽  
R. Jaramillo ◽  
J. van Wezel ◽  
S. Haravifard ◽  
...  
Keyword(s):  
Critical Point ◽  
Order Parameter ◽  
Quantum Critical Point ◽  
Quantum Critical

scholarly journals EFFECTS OF STRAIN COUPLING AND MARGINAL DIMENSIONALITY IN THE NATURE OF PHASE TRANSITION IN QUANTUM PARAELECTRICS

2013 ◽  
Vol 27 (08) ◽  
pp. 1350028 ◽  
Author(s):  
NABYENDU DAS
Keyword(s):  
Free Energy ◽  
Critical Point ◽  
Finite Temperature ◽  
Order Parameter ◽  
Quantum Critical Point ◽  
Order Transition ◽  
Zero Temperature ◽  
First Order ◽  
Quantum Paraelectrics ◽  
First Order Transition

Here a recently observed weak first order transition in doped SrTiO 3 [Taniguchi, Itoh and Yagi, Phys. Rev. Lett.99, 017602 (2007)] is argued to be a consequence of the coupling between strain and order parameter fluctuations. Starting with a semi-microscopic action, and using renormalization group equations for vertices, we write the free energy of such a system. This fluctuation renormalized free energy is then used to discuss the possibility of first order transition at zero temperature as well as at finite temperature. An asymptotic analysis predicts small but a finite discontinuity in the order parameter near a mean field quantum critical point at zero temperature. In case of finite temperature transition, near quantum critical point such a possibility is found to be extremely weak. Results are in accord with some experimental findings on quantum paraelectrics such as SrTiO 3 and KTaO 3.

Transport properties of helium near the liquid-vapor critical point. IV. The shear viscosity of3He and4He

1987 ◽  
Vol 67 (3-4) ◽  
pp. 237-289 ◽  
Author(s):  
Charles C. Agosta ◽  
Suwen Wang ◽  
L. H. Cohen ◽  
H. Meyer
Keyword(s):  
Transport Properties ◽  
Critical Point ◽  
Shear Viscosity ◽  
Liquid Vapor

scholarly journals Generalized Independence in the q-Voter Model: How Do Parameters Influence the Phase Transition?

Entropy ◽  
2020 ◽  
Vol 22 (1) ◽  
pp. 120 ◽  
Author(s):  
Angelika Abramiuk ◽  
Katarzyna Sznajd-Weron
Keyword(s):  
Phase Transition ◽  
Critical Point ◽  
Broad Spectrum ◽  
Order Parameter ◽  
Analytical Formula ◽  
Voter Model ◽  
Pair Approximation ◽  
Scaling Relation ◽  
Independent Behavior

We study the q-voter model with flexibility, which allows for describing a broad spectrum of independence from zealots, inflexibility, or stubbornness through noisy voters to self-anticonformity. Analyzing the model within the pair approximation allows us to derive the analytical formula for the critical point, below which an ordered (agreement) phase is stable. We determine the role of flexibility, which can be understood as an amount of variability associated with an independent behavior, as well as the role of the average network degree in shaping the character of the phase transition. We check the existence of the scaling relation, which previously was derived for the Sznajd model. We show that the scaling is universal, in a sense that it does not depend neither on the size of the group of influence nor on the average network degree. Analyzing the model in terms of the rescaled parameter, we determine the critical point, the jump of the order parameter, as well as the width of the hysteresis as a function of the average network degree ⟨ k ⟩ and the size of the group of influence q.

scholarly journals The Shear Viscosity of Polyvinylacetate-3-Heptanone Mixture near the Critical Point

1980 ◽  
Vol 8 (1) ◽  
pp. 39-43 ◽  
Author(s):  
Nobuhide ISHIHARA ◽  
Hiroaki IKEDA ◽  
Yuzo MASUDA
Keyword(s):  
Critical Point ◽  
Shear Viscosity
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