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http://hdl.handle.net/20.500.12386/24572
Title: | Quark deconfinement in the proto-magnetar model of long gamma-ray bursts | Authors: | Pili, A. G. BUCCIANTINI, NICCOLO' Drago, A. Pagliara, G. Del Zanna, L. |
Issue Date: | 2016 | Journal: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. LETTERS | Number: | 462 | Issue: | 1 | First Page: | L26 | Abstract: | We investigate the possible implications of quark deconfinement on the phenomenology of long gamma-ray bursts focusing, in particular, on the possibility to describe multiple prompt emission phases in the context of the proto-magnetar model. Starting from numerical models of rotating Hadron Stars and Quark Stars in full general relativity we track the electromagnetic spin-down evolution in both the hadronic and quark phase, linking the two families through conservation of baryon number and angular momentum. We give estimates of the time-scales and the energetics involved in the spin-down process deriving, in the relevant spin range, the relation between the initial and the final masses and rotational energies, whenever hadron-quark conversion is possible. We show how the results can be used in relevant astrophysical cases such as the double burst GRB 110709B. | URI: | http://hdl.handle.net/20.500.12386/24572 | URL: | http://arxiv.org/abs/1606.02075v1 https://academic.oup.com/mnrasl/article/462/1/L26/2589556 |
ISSN: | 1745-3925 | DOI: | 10.1093/mnrasl/slw115 | Bibcode ADS: | 2016MNRAS.462L..26P | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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slw115.pdf | PDF editoriale | 871.63 kB | Adobe PDF | View/Open |
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