EFFECTS OF Δ-BARYON INTERACTION STRENGTH ON NEUTRON STARS PROPERTIES-Reference-Cited by-同舟云学术

EFFECTS OF Δ-BARYON INTERACTION STRENGTH ON NEUTRON STARS PROPERTIES

Published:2007-02 Issue:02n03 Volume:16 Page:175-183
ISSN:0218-2718
Container-title:International Journal of Modern Physics D
language:en
Short-container-title:Int. J. Mod. Phys. D

Author:

DE OLIVEIRA J. C. T.¹,DUARTE S. B.²,RODRIGUES H.³,CHIAPPARINI M.⁴,KYOTOKU M.⁵

Affiliation:

1. Departamento de Física, Universidade Federal de Roraima, Campus do Paricarana s/n, 69310-270, Boa Vista, Roraima, Brazil

2. Centro Brasileiro de Pesquisas Físicas, MCT, Rua Dr. Xavier Sigaud, 150, 22290-180, Rio de Janeiro, Brazil

3. Centro Federal de Educação Tecnológica do Rio de Janeiro, Av. Maracanã 249, 20550-011, Rio de Janeiro, Brazil

4. Instituto de Física, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier 524, 20550-900 Rio de Janeiro, RJ, Brazil

5. Departamento de Física, Universidade Federal da Paraíba, 58059-970, João Pessoa, Paraíba, Brazil

Abstract

We investigate the effect of Δ-resonance interaction strength on the equation of state of asymmetric hadronic matter and neutron stars structure. We discuss Δ-matter formation at high densities in the context of a relativistic mean field theory. We show that the attractive nature of the Δ-baryon interaction can induce a phase transition accompanying Δ-matter formation, at values of densities presumably existing in central regions of neutron stars. The possibility of a rich Δ-resonance neutron star is presented using the proposed equation of state.

Publisher

World Scientific Pub Co Pte Lt

Subject

Space and Planetary Science,Astronomy and Astrophysics,Mathematical Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218271807009929

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