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Gamma-Ray Bursts in the Swift Era

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TLDR
In this article, the authors review the rapid observational and theoretical progress in this dynamical research field during the first two-year of the Swift mission, focusing on how observational breakthroughs have revolutionized our understanding of the physical origins of GRBs.
Abstract
Since the successful launch of NASA's dedicated gamma-ray burst (GRB) mission, Swift, the study of cosmological GRBs has entered a new era. Here I review the rapid observational and theoretical progress in this dynamical research field during the first two-year of the Swift mission, focusing on how observational breakthroughs have revolutionized our understanding of the physical origins of GRBs. Besides summarizing how Swift helps to solve some pre-Swift mysteries, I also list some outstanding problems raised by the Swift observations. An outlook of GRB science in the future, especially in the GLAST era, is briefly discussed.

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Journal ArticleDOI

Dark Energy

TL;DR: A survey of theoretical models and some aspects of numerical studies for dark energy can be found in this paper, where the authors review the problem of dark energy, including a survey of the theoretical models.
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The physics of gamma-ray bursts & relativistic jets

TL;DR: A comprehensive review of major developments in our understanding of gamma-ray bursts, with particular focus on the discoveries made within the last fifteen years when their true nature was uncovered, can be found in this paper.
Journal ArticleDOI

The Physics of Gamma-Ray Bursts and Relativistic Jets

TL;DR: A comprehensive review of major developments in the understanding of gamma-ray bursts can be found in this article, with particular focus on the discoveries made within the last fifteen years when their true nature was uncovered.
Journal ArticleDOI

The strongest cosmic magnets: soft gamma-ray repeaters and anomalous X-ray pulsars

Abstract: Two classes of X-ray pulsars, the anomalous X-ray pulsars and the soft gamma-ray repeaters, have been recognized in the last decade as the most promising candidates for being magnetars: isolated neutron stars powered by magnetic energy. I review the observational properties of these objects, focussing on the most recent results, and their interpretation in the magnetar model. Alternative explanations, in particular those based on accretion from residual disks, are also considered. The possible relations between these sources and other classes of neutron stars and astrophysical objects are also discussed.
References
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Journal ArticleDOI

Early Afterglows in Wind Environments Revisited

TL;DR: In this article, the authors analyzed the reverse-forward shocks in a wind environment, including their dynamics and emission, and compared the early light curves with different wind densities and compare them with those in the interstellar medium model.
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Optical Flash of GRB 990123: constraints on the physical parameter of the reverse shock

TL;DR: The optical flash accompanying GRB 990123 is believed to be powered by the reverse shock of a thin shell as mentioned in this paper, and the theoretical peak flux of the optical flash accounts for only 3\times10^{-4} of the observed.
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The Afterglow of GRB 990123 and a Dense Medium

TL;DR: In this paper, a model for the transition from relativistic to nonrelativistic phase of the R-band afterglow of GRB 990123 was proposed.
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High energy neutrino flashes from far-ultraviolet and x-ray flares in gamma-ray bursts.

TL;DR: It is shown that the efficiency of pion production in the highest energy is comparable to or higher than the unity, and the contribution from such neutrino flashes to a diffuse very high energy neutrinos background can be larger than that of prompt bursts if the total baryonic energy input into flares is comparableto the radiated energy of prompt burst.
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Discovery of a tight correlation among the prompt emission properties of long Gamma Ray Bursts

TL;DR: In this article, the authors reported a correlation among three prompt emission properties of GRBs: the isotropic peak luminosity L_iso, the peak energy of the time-integrated prompt emission spectrum E_pk, and the high signal timescale T_0.45, previously used to characterize the variability behavior of bursts.
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