Ignazio bombaci dipartimento di fisica “e. fermi”, università di pisa

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Choose Timezone. Specify a timezone. Powered by Indico.We describe a new model, proposed by Berezhiani et al. The stellar conversion process can be delayed if finite size effects at the interface between hadronic and deconfined quark matter phases are taken into account.

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The delay between the supernova explosion generating the metastable neutron star and the new collapse can explain the delay inferred in GRB and in GRB Finally, we discuss the implications of the present scenario on the interpretation of the stellar mass and radius extracted from the spectra of several X-ray compact sources.

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Dipartimento di Fisica

Alcock, C. Amati, L. Antonelli, L. Berezhiani, Z. Bignami, G. Bloom, J. Bodmer, A. D, 4, Bombaci, I. C, 55, Google Scholar. Butler N. Cheng, K. Cottam, J. Dey, M. B,; erratumPhys. B, Datta, B.

Dermer, C. Drake, J. Farhi, E. D, 30, Fender, R. Frayl, D. Glendenning, N. KPhys.We present an upgraded review of our microscopic investigation on the single-particle properties and the EOS of isospin asymmetric nuclear matter within the framework of the Brueckner theory extended to include a microscopic three-body force. We pay special attention to the discussion of the three-body force effect and the comparison of our results with the predictions by other ab initio approaches.

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Three-body force is shown to be necessary for reproducing the empirical saturation properties of symmetric nuclear matter within nonrelativistic microscopic frameworks, and also for extending the hole-line expansion to a wide density range.

The three-body force effect on nuclear symmetry energy is repulsive, and it leads to a significant stiffening of the density dependence of symmetry energy at supra-saturation densities.

Within the Brueckner approach, the three-body force affects the nucleon s. Both the rearrangement contribution induced by the three-body force and the effect of ground-state correlations are crucial for predicting reliably the single-particle properties within the Brueckner framework. This is a preview of subscription content, log in to check access. Rent this article via DeepDyve.

ignazio bombaci dipartimento di fisica “e. fermi”, università di pisa

Li, L. Chen, C. Ko, Phys. Danielewicz, R. Lacey, W. Lynch, Science Bombaci, U. Lombardo, Phys. C 44 Lattimer, C.

ignazio bombaci dipartimento di fisica “e. fermi”, università di pisa

Pethick, M. Prakash, P.

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Haensel, Phys. Baldo, I. Bombaci, G. Burgio, Astron. Zhou, G. Burgio, U. Lombardo, H. Schulze, W. Zuo, Phys. C 69 Zuo, A. Li, Z.We present an upgraded review of our microscopic investigation on the single-particle properties and the EOS of isospin asymmetric nuclear matter within the framework of the Brueckner theory extended to include a microscopic three-body force.

We pay special attention to the discussion of the three-body force effect and the comparison of our results with the predictions by other ab initio approaches.

Three-body force is shown to be necessary for reproducing the empirical saturation properties of symmetric nuclear matter within nonrelativistic microscopic frameworks, and also for extending the hole-line expansion to a wide density range. The three-body force effect on nuclear symmetry energy is repulsive, and it leads to a significant stiffening of the density dependence of symmetry energy at supra-saturation densities. Within the Brueckner approach, the three-body force affects the nucleon s.

Both the rearrangement contribution induced by the three-body force and the effect of ground-state correlations are crucial for predicting reliably the single-particle properties within the Brueckner framework. Topical issue on Nuclear Symmetry Energy. EPJ Appl. B Eur. E Eur. EPJ Photovolt. A Eur. Table of Contents. Previous article Next article. Abstract PDF 1.

Services Articles citing this article CrossRef Bookmarking Mendeley. Submit your Paper.We examine the present status of the theoretical calculations for the internal structure of neutron stars, and the connection with the microscopic properties of ultradense hadronic matter.

We discuss the possibility to have quark deconfinement phase transition in the core of neutron stars, and we explore some of its astrophysical implications as the quark-deconfinement nova model for gamma-ray bursts.

Unable to display preview. Download preview PDF. Skip to main content. This service is more advanced with JavaScript available. Advertisement Hide. Neutron stars as cosmic laboratories to explore hadronic matter at ultra-high densities.

Authors Authors and affiliations I. Conference paper First Online: 19 March PACS Nq Quark deconfinement, quark-gluon plasma production, and phase transitions. This is a preview of subscription content, log in to check access. Brown, H. Bethe, Astrophys. Bombaci, Astron. ADS Google Scholar. Prakash, I.

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Bombaci, M. Prakash, P. Ellis, R. Knorren, J. Lattimer, Phys. Oppenheimer, G. Volkoff, Phys.

ignazio bombaci dipartimento di fisica “e. fermi”, università di pisa

CrossRef Google Scholar. Google Scholar. Bodmer, Phys. Witten, Phys. D 30 Dey, J. Dey, E. Alford, Annu. Nardulli, Riv. Nuovo Cimento 251 Thorsett, D.RAA Content. RAA Macro Package. For New Authors. Board Members. Research in Astronomy and Astrophysics RAA publishes research in the rapidly growing area of astronomy and astrophysics.

RAA has a worldwide audience. It accepts original submissions from all over the world and is internationally published and distributed by IOP. See also: "Can the temperature of Ellerman Bombs be more than K?

See also: "Twist in a polar blowout jet" by Hong et al. See also: "Testing Lorentz violation with binary pulsars: constraints on standard model extension" by Xie See also: "Confirming the See also: "Discovery of six high-redshift quasars with the Lijiang 2. See also: "Automated flare prediction using the AdaBoost algorithm" by Lan et al. Ignazio Bombaci Dipartimento di Fisica E. One stone for two birds: a promising solution to the puzzling steep power-law problem in black hole X-ray binaries.

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Recent News No News. Follow us on Wechat. Tucson ArizonaUSA liang noao. Gerard R. Remember me.A phase of strong interacting matter with deconfined quarks is expected in the core of massive neutron stars.

We investigate the quark deconfinement phase transition in cold and hot -stable hadronic matter. Assuming a first order phase transition, we calculate and compare the nucleation rate and the nucleation time due to quantum and thermal nucleation mechanisms.

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We show that above a threshold value of the central pressure a pure hadronic star HS i. This process liberates an enormous amount of energy, of the order of 10 53 erg, which causes a powerful neutrino burst, likely accompanied by intense gravitational waves emission, and possibly by a second delayed with respect to the supernova explosion forming the HS explosion which could be the energy source of a powerful gamma-ray burst GRB.

This stellar conversion process populates the QS branch of compact stars, thus one has in the Universe two coexisting families of compact stars: pure hadronic stars and quark stars. We show that PHSs with a mass could survive the early stages of their evolution without decaying to QSs.

Finally, we discuss the possible evolutionary paths of proto-hadronic stars. Exotic Matter in Neutron Stars.

EPJ Appl. B Eur. E Eur. EPJ Photovolt. A Eur. Table of Contents. Previous article Next article. Services Articles citing this article CrossRef 4. Bookmarking Mendeley. Submit your Paper.


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