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The effect of dynamical quark mass in the calculation of strange quark star structure

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G. H. Bordbar, B. Ziaei

Solar and Stellar Astrophysics · Submitted 16 Jan 2012

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim Our results show that the dynamical mass interaction leads to lower values for the gravitational mass.

how it is stated · asserted 1.00 read the record →

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arXiv ID1201.3228 (version 1)
Pith IDNTPDMZR2, Pith's permanent record of this paper and its review
CitationB. Ziaei, G. H. Bordbar. "The effect of dynamical quark mass in the calculation of strange quark star structure." arXiv:1201.3228 (2012). https://pith.science/paper/NTPDMZR2
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,950 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.09 · human participants 0.01 · controlled comparison 0.55 · randomized assignment 0.01 · states quantitative result 0.07 · compares with prior results 0.83 · mentions code or data availability 0.01.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

We have discussed dynamical behavior of strange quark matter components, in particular the effects of density dependent quark mass on the equation of state of strange quark matter. Dynamical masses of quarks have been computed within Nambu-Jona-Lasinio (NJL) model, then we have done the strange quark matter calculations employing the MIT bag model with these dynamical masses. For the sake of comparing dynamical mass interaction with QCD quark-quark interaction, we have considered the one-gluon-exchange term as the effective interaction between quarks for MIT bag model. Our dynamical approach illustrates an improvement for the obtained values of equation of state. We have also investigated the structure of strange quark star using Tolman-Oppenheimer-Volkoff (TOV) equations for all applied models. Our results show that the dynamical mass interaction leads to lower values for the gravitational mass.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We have discussed dynamical behavior of strange quark matter components, in particular the effects of density dependent quark mass on the equation of state of strange quark matter. contribution 0.97 0.88 0.06 asserted 0.81
s1 Dynamical masses of quarks have been computed within Nambu-Jona-Lasinio (NJL) model, then we have done the strange quark matter calculations employing the MIT bag model with these dynamical masses. method 0.99 0.95 0.05 asserted 0.99
s2 For the sake of comparing dynamical mass interaction with QCD quark-quark interaction, we have considered the one-gluon-exchange term as the effective interaction between quarks for MIT bag model. method 0.99 0.89 0.04 asserted 0.93
s3 Our dynamical approach illustrates an improvement for the obtained values of equation of state. interpretation 0.69 0.88 0.15 asserted 0.99
s4 We have also investigated the structure of strange quark star using Tolman-Oppenheimer-Volkoff (TOV) equations for all applied models. method 0.85 0.96 0.05 asserted 0.96
s5 Our results show that the dynamical mass interaction leads to lower values for the gravitational mass. result 1.00 0.96 0.75 asserted 1.00

What kind of paper the classifier reports this is: simulation study 0.62 · evidence from simulation or computation 1.00.

What was examined, and what was not

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  • arXiv listing abstract v1
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

We have discussed dynamical behavior of strange quark matter components, in particular the effects of density dependent quark mass on the equation of state of strange quark matter. Dynamical masses of quarks have been computed within Nambu-Jona-Lasinio (NJL) model, then we have done the strange quark matter calculations employing the MIT bag model with these dynamical masses. For the sake of comparing dynamical mass interaction with QCD quark-quark interaction, we have considered the one-gluon-exchange term as the effective interaction between quarks for MIT bag model. Our dynamical approach illustrates an improvement for the obtained values of equation of state. We have also investigated the structure of strange quark star using Tolman-Oppenheimer-Volkoff (TOV) equations for all applied models. Our results show that the dynamical mass interaction leads to lower values for the gravitational mass.

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1 arXiv paper cite this in 1 sentence

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it

Compares with it 1 paper
  • For this simplified scenario we obtain for the maximal star the following characteristics: a mass and radius of $M_max=1.521 M_⊙$, $R_max=10.261 km$ (the values reported in the literature using the NJLH derived EoS range from $1$ [ref] to $1.45$ solar masses in [ref] ) with a central pressure of $p_central=0.128 GeV fm^-3$ (which corresponds to a baryonic density $ρ_central= 5.144 ρ_0$).

    Strange quark matter in the presence of explicit symmetry breaking interactions · Beta-equilibrium case study · 1.00

What it cites

Uses data or values from 1 paper
  • The best example is $PSR J 0751+1807$ pulsar that initially was supposed to have a mass of $M=2.2±0.2M_⊙$ but recently revised to $M=1.26M_⊙$ (Lattimer & Prakash [ref] ).

    What a Two Solar Mass Neutron Star Really Means · Calculation of strange quark star structure · 0.88

Compares with 1 paper
Cites as background 1 paper
  • We note that some studies indicate that there exist a big uncertainty about mass and radius of ultra massive stars with $M>1.9M_⊙$ (Lattimer & Prakash [ref] ).

    What a Two Solar Mass Neutron Star Really Means · Calculation of strange quark star structure · 0.86

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