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1
Published in 2017 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3392-9
Abstract: In this work, we have tried to find out similarities between various available models of scalar field dark energies (e.g., quintessence, k-essence, tachyon, phantom, quintom, dilatonic dark energy, etc). We have defined an equivalence relation…
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Keywords:
field models;
equivalence;
models dark;
scalar field ... See more keywords
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Published in 2020 at "Journal of Statistical Physics"
DOI: 10.1007/s10955-020-02612-1
Abstract: We consider an application of probabilistic coupling techniques which provides explicit estimates for comparison of local expectation values between label permutation invariant states, for instance, between certain microcanonical, canonical, and grand canonical ensemble expectations. A…
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Keywords:
local microcanonical;
field models;
field;
mean field ... See more keywords
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1
Published in 2021 at "Archives of Computational Methods in Engineering"
DOI: 10.1007/s11831-021-09604-8
Abstract: In this work, a critical comparison between three different numerical approaches for the computational modelling of quasi-brittle structural failure is presented. Among the many finite element approaches devised to solve the problem, both using continuous…
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Keywords:
xfem mixed;
field models;
phase field;
quasi brittle ... See more keywords
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2
Published in 2022 at "Annals of Physics"
DOI: 10.1016/j.aop.2022.168780
Abstract: In this paper, we investigate novel kinklike structures in a scalar field theory driven by DiracBorn-Infeld (DBI) dynamics. Analytical features are reached through a first-order formalism and a deformation procedure. The analysis ensures the linear…
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Keywords:
infeld;
field;
models driven;
field models ... See more keywords
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1
Published in 2020 at "Applied Numerical Mathematics"
DOI: 10.1016/j.apnum.2020.04.017
Abstract: Abstract In this paper, we consider several splitting schemes for unsteady problems for the most common phase-field models. The fully implicit discretization of such problems would yield at each time step a nonlinear problem that…
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Keywords:
order;
field models;
splitting schemes;
phase field ... See more keywords
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Published in 2017 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2016.12.017
Abstract: We introduce a provably energy-stable time-integration method for general classes of phase-field models with polynomial potentials. We demonstrate how Taylor series expansions of the nonlinear terms present in the partial differential equations of these models…
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Keywords:
field models;
stable time;
energy;
phase field ... See more keywords
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1
Published in 2022 at "Journal of Differential Equations"
DOI: 10.1016/j.jde.2022.02.002
Abstract: Delayed neural field models can be viewed as a dynamical system in an appropriate functional analytic setting. On two dimensional rectangular space domains, and for a special class of connectivity and delay functions, we describe…
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Keywords:
neural field;
field models;
equation;
delayed neural ... See more keywords
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1
Published in 2019 at "Molecular Physics"
DOI: 10.1080/00268976.2019.1656349
Abstract: Actual CTAB and SB3-12 surfactant force field models fail to reproduce one of the most important thermodynamic property of those molecules, the surface tension. Molecular dynamics simulations were conducted to construct new force fields of…
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Keywords:
field models;
force field;
ctab;
new force ... See more keywords
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1
Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.043522
Abstract: Future observations of the cosmic microwave background (CMB) polarization are expected to set an improved upper bound on the tensor-to-scalar ratio of $r\lesssim 0.03$. Recently, we showed that small field models of inflation can produce…
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Keywords:
field;
scalar ratio;
models inflation;
field models ... See more keywords
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0
Published in 2023 at "Physical review. E"
DOI: 10.1103/physreve.107.024803
Abstract: The solutions of multi-phase-field models exhibit boundary layer behavior not only along the binary interfaces but also at the common contacts of three or more phases, i.e., junctions. Hence, to completely determine the asymptotic behavior…
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Keywords:
phase field;
analysis;
field models;
field ... See more keywords
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Published in 2019 at "International Journal of Modern Physics D"
DOI: 10.1142/s0218271819501633
Abstract: In this work, we compare the thermodynamical viability of two types of noncanonical scalar field models with kinetic corrections: the square kinetic and square root kinetic corrections. In modern cosmology, the generalized second law of…
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Keywords:
field models;
models kinetic;
scalar field;
kinetic corrections ... See more keywords