Results 51 to 60 of about 989,594 (156)

Prospects for Declarative Mathematical Modeling of Complex Biological Systems [PDF]

open access: yesBull. Math. Biol. (2019), 2018
Declarative modeling uses symbolic expressions to represent models. With such expressions one can formalize high-level mathematical computations on models that would be difficult or impossible to perform directly on a lower-level simulation program, in a general-purpose programming language.
arxiv   +1 more source

Inflation from the finite scale gauged Nambu–Jona-Lasinio model

open access: yesNuclear Physics B, 2017
The possibility to construct an inflationary universe scenario for the finite-scale gauged Nambu–Jona-Lasinio model is investigated. This model can be described by the Higgs–Yukawa type interaction model with the corresponding compositeness scale ...
Tomohiro Inagaki   +2 more
doaj   +1 more source

Regularization dependence on phase diagram in Nambu–Jona-Lasinio model

open access: yesNuclear Physics B, 2015
We study the regularization dependence on meson properties and the phase diagram of quark matter by using the two flavor Nambu–Jona-Lasinio model.
H. Kohyama, D. Kimura, T. Inagaki
doaj   +1 more source

Baryon octet electromagnetic form factors in a confining NJL model

open access: yesPhysics Letters B, 2016
Electromagnetic form factors of the baryon octet are studied using a Nambu–Jona-Lasinio model which utilizes the proper-time regularization scheme to simulate aspects of colour confinement.
Manuel E. Carrillo-Serrano   +3 more
doaj   +1 more source

Isospin Effect on Baryon and Charge Fluctuations from the pNJL Model

open access: yesUniverse, 2020
We have studied the possible isospin corrections on the skewness and kurtosis of net-baryon and net-charge fluctuations in the isospin asymmetric matter formed in relativistic heavy-ion collisions at RHIC-BES energies, based on a 3-flavor Polyakov-looped
He Liu, Jun Xu
doaj   +1 more source

Nonperturbative partonic quasidistributions of the pion from chiral quark models

open access: yesPhysics Letters B, 2017
We evaluate nonperturbatively the quark quasidistribution amplitude and the valence quark quasidistribution function of the pion in the framework of chiral quark models, namely the Nambu–Jona-Lasinio model and the Spectral Quark Model.
Wojciech Broniowski   +1 more
doaj  

Equilibrium Spin Distribution From Detailed Balance

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
As the core ingredient for spin polarization, the equilibrium spin distribution function that eliminates the collision terms is derived from the detailed balance principle. The kinetic theory for interacting fermionic systems is applied to the Nambu–Jona-
Ziyue Wang, Xingyu Guo, Pengfei Zhuang
doaj   +1 more source

On the Structure of Ordered Latent Trait Models [PDF]

open access: yesarXiv, 2019
Ordered item response models that are in common use can be divided into three groups, cumulative, sequential and adjacent categories model. The derivation and motivation of the models is typically based on the assumed presence of latent traits or underlying process models. In the construction frequently binary models play an important role.
arxiv  

Bayesian model averaging in model-based clustering and density estimation [PDF]

open access: yesarXiv, 2015
We propose Bayesian model averaging (BMA) as a method for postprocessing the results of model-based clustering. Given a number of competing models, appropriate model summaries are averaged, using the posterior model probabilities, instead of being taken from a single "best" model.
arxiv  

Can oscillating neutrino states be formulated universally?

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
A standing problem in neutrino physics is the consistent and universal definition of oscillating neutrino states as coherent superpositions of massive neutrino states.
Anca Tureanu
doaj   +1 more source

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