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ON THE CONFINED–DECONFINED PHASE TRANSITION IN NUCLEAR MATTER AND NEUTRON STARS.

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Title: ON THE CONFINED–DECONFINED PHASE TRANSITION IN NUCLEAR MATTER AND NEUTRON STARS.
Authors: BURIGO, L. N.1 burigolucas@gmail.com, BODMANN, B. E. J.1 bardo.bodmann@ufrgs.br, JACOBSEN, R. B.1 jacobsen@ibest.com.br, VASCONCELLOS, C. A. Z.1 cesarzen@if.ufrgs.br, FERNÁNDEZ, F.2 fdz@usal.es
Source: International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology. Aug2010, Vol. 19 Issue 8-10, p1563-1568. 6p. 4 Graphs.
Subjects: Nuclear matter, Neutron stars, Free electron theory of metals, Particles (Nuclear physics), Nuclear structure
Abstract: In this work we focus our study on the transition from hadron to deconfined quark matter, and we shall assume that the phase transition is first-order with two independent components, which are related to the local conservation of baryon number and the global conservation of electric charge. Relativistic effective theories are employed to describe the hadron and quark phase. Two different hadronic models are adopted: an adjustable model and the well known Boguta–Bodmer model. Deconfined phase is described employing the MIT bag model. Previous studies showed that the choice of the hadronic model as well as its parameters (including nucleon effective mass and hyperonic coupling schemes) have influence on phase transition properties. Our aim is to analyze if such results on phase transition play an important role on the modeling of neutron stars. To carry out such analysis, the Tolman–Oppenheimer–Volkoff equations are employed to determine the maximum mass for each combination of hadronic model and parameters. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 53153228
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PubTypeId: academicJournal
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  Data: ON THE CONFINED–DECONFINED PHASE TRANSITION IN NUCLEAR MATTER AND NEUTRON STARS.
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  Data: <searchLink fieldCode="AR" term="%22BURIGO%2C+L%2E+N%2E%22">BURIGO, L. N.</searchLink><relatesTo>1</relatesTo><i> burigolucas@gmail.com</i><br /><searchLink fieldCode="AR" term="%22BODMANN%2C+B%2E+E%2E+J%2E%22">BODMANN, B. E. J.</searchLink><relatesTo>1</relatesTo><i> bardo.bodmann@ufrgs.br</i><br /><searchLink fieldCode="AR" term="%22JACOBSEN%2C+R%2E+B%2E%22">JACOBSEN, R. B.</searchLink><relatesTo>1</relatesTo><i> jacobsen@ibest.com.br</i><br /><searchLink fieldCode="AR" term="%22VASCONCELLOS%2C+C%2E+A%2E+Z%2E%22">VASCONCELLOS, C. A. Z.</searchLink><relatesTo>1</relatesTo><i> cesarzen@if.ufrgs.br</i><br /><searchLink fieldCode="AR" term="%22FERNÁNDEZ%2C+F%2E%22">FERNÁNDEZ, F.</searchLink><relatesTo>2</relatesTo><i> fdz@usal.es</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Modern+Physics+D%3A+Gravitation%2C+Astrophysics+%26+Cosmology%22">International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology</searchLink>. Aug2010, Vol. 19 Issue 8-10, p1563-1568. 6p. 4 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Nuclear+matter%22">Nuclear matter</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+stars%22">Neutron stars</searchLink><br /><searchLink fieldCode="DE" term="%22Free+electron+theory+of+metals%22">Free electron theory of metals</searchLink><br /><searchLink fieldCode="DE" term="%22Particles+%28Nuclear+physics%29%22">Particles (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+structure%22">Nuclear structure</searchLink>
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  Data: In this work we focus our study on the transition from hadron to deconfined quark matter, and we shall assume that the phase transition is first-order with two independent components, which are related to the local conservation of baryon number and the global conservation of electric charge. Relativistic effective theories are employed to describe the hadron and quark phase. Two different hadronic models are adopted: an adjustable model and the well known Boguta–Bodmer model. Deconfined phase is described employing the MIT bag model. Previous studies showed that the choice of the hadronic model as well as its parameters (including nucleon effective mass and hyperonic coupling schemes) have influence on phase transition properties. Our aim is to analyze if such results on phase transition play an important role on the modeling of neutron stars. To carry out such analysis, the Tolman–Oppenheimer–Volkoff equations are employed to determine the maximum mass for each combination of hadronic model and parameters. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1142/S0218271810017652
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        Text: English
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      – SubjectFull: Nuclear matter
        Type: general
      – SubjectFull: Neutron stars
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      – SubjectFull: Free electron theory of metals
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      – SubjectFull: Particles (Nuclear physics)
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      – SubjectFull: Nuclear structure
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      – TitleFull: ON THE CONFINED–DECONFINED PHASE TRANSITION IN NUCLEAR MATTER AND NEUTRON STARS.
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              Text: Aug2010
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