Quantum Phase Transition of a Quantum Mixed Spin Chain by Employing Density Matrix Renormalization Group Method
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DOI: 10.1002/andp.202100011
Abstract: The fidelity susceptibility and trace distance in the valence‐bond‐solid (VBS) transition of a quantum mixed spin chain is investigated, which consists of unit cells arrayed as 1/2‐1/2‐1‐1 with alternating Heisenberg antiferromagnetic exchange couplings, by using… read more here.
Keywords: quantum mixed; trace distance; quantum; critical point ... See more keywords
Explicit Frost-Kalkwarf type equations for calculation of vapour pressure of liquids from triple to critical point by the Adomian decomposition method†
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DOI: 10.1002/cjce.22853
Abstract: The general form of explicit, analytical solution of the Frost-Kalkwarf equation was developed for the first time by means of the Adomian decomposition method as a reliable mathematical tool. The accuracy of the obtained formulas… read more here.
Keywords: triple critical; decomposition method; critical point; vapour pressure ... See more keywords
Critical Point Theory for the Lorentz Force Equation
Sign Up to like & getrecommendations! Published in 2019 at "Archive for Rational Mechanics and Analysis"
DOI: 10.1007/s00205-018-01352-7
Abstract: AbstractIn this paper we study the existence and multiplicity of solutions of the Lorentz force equation $$\left(\frac{q'}{\sqrt{1-|q'|^2}}\right)'=E(t,q) + q'\times B(t,q)$$q′1-|q′|2′=E(t,q)+q′×B(t,q)with periodic or Dirichlet boundary conditions. In Special Relativity, this equation models the motion of a… read more here.
Keywords: lorentz force; force equation; point theory; critical point ... See more keywords
New Comment on Gibbs Density Surface of Fluid Argon: Revised Critical Parameters, L. V. Woodcock, Int. J. Thermophys. (2014) 35, 1770–1784
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Thermophysics"
DOI: 10.1007/s10765-017-2331-6
Abstract: The author comments on an article by Woodcock (Int J Thermophys 35:1770–1784, 2014), who investigates the idea of a critical line instead of a single critical point using the example of argon. In the introduction,… read more here.
Keywords: comment; int thermophys; 1770 1784; woodcock int ... See more keywords
On Failures of van der Waals’ Equation at the Gas–Liquid Critical Point
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Thermophysics"
DOI: 10.1007/s10765-018-2444-6
Abstract: This comment is in response to a recent “new comment” by Umirzakov on the article “Gibbs density surface of fluid argon: revised critical parameters.” It was incorrectly asserted that van der Waals equation “proves” the… read more here.
Keywords: van der; waals equation; der waals; critical point ... See more keywords
Critical Point Equation on Almost Kenmotsu Manifolds
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DOI: 10.1007/s11253-020-01770-5
Abstract: We study the critical point equation $(CPE)$ conjecture on almost Kenmotsu manifolds. First, we prove that if a three-dimensional $(k,\mu)'$-almost Kenmotsu manifold satisfies the $CPE,$ then the manifold is either locally isometric to the product… read more here.
Keywords: point equation; almost kenmotsu; critical point; kenmotsu manifolds ... See more keywords
A critical point approach to multiplicity results for a fractional boundary value problem
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DOI: 10.1007/s40840-020-00886-y
Abstract: In this article, we establish criteria for the existence of at least three solutions of a fractional differential equation with Dirichlet boundary condition using variational methods and critical point theory. We discuss some consequences of… read more here.
Keywords: point approach; approach multiplicity; critical point; results fractional ... See more keywords
Critical Point Approaches to Generalized Yamabe Equations on Riemannian Manifolds and Applications to Emden–Fowler Problems
Sign Up to like & getrecommendations! Published in 2019 at "Bulletin of the Iranian Mathematical Society"
DOI: 10.1007/s41980-019-00256-w
Abstract: In this work, we continue the study of the multiplicity results for generalized Yamabe equations on Riemannian manifolds arising from conformal Riemannian geometry, astrophysics, and in the theories of thermionic emission, isothermal stationary gas sphere,… read more here.
Keywords: emden fowler; yamabe equations; equations riemannian; riemannian manifolds ... See more keywords
Accuracy study and stability control of a property-table-based CFD strategy for modeling SCO2 compressors working near the critical point of the fluid
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.116222
Abstract: Abstract Supercritical CO2 (SCO2) as a working fluid can significantly reduce the compression work in a Brayton power cycle, especially when inlet conditions of the main compressors are set near the critical point of the… read more here.
Keywords: fluid; critical point; sco2 compressors; near critical ... See more keywords
Simple correlation for critical isotherm of pure compounds
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DOI: 10.1016/j.ces.2018.08.043
Abstract: Abstract A volumetric equation of state (PVT behavior of a fluid) is often based on a critical isotherm. Soave-Redlich-Kwong and Peng-Robinson are by far the most popular cubic equations of state. These equations use the… read more here.
Keywords: correlation critical; simple correlation; critical point; critical isotherm ... See more keywords
Estimation of critical point, vapor pressure and heat of sublimation of pharmaceuticals and their solubility in supercritical carbon dioxide
Sign Up to like & getrecommendations! Published in 2019 at "Fluid Phase Equilibria"
DOI: 10.1016/j.fluid.2019.01.020
Abstract: Abstract The critical point and vapor pressure of pharmaceuticals are required in the calculation of their solubility in supercritical fluids by using an equation of state. The experimental critical point of many pharmaceuticals are not… read more here.
Keywords: solubility supercritical; critical point; point vapor; vapor pressure ... See more keywords