Selected recent publications Nakar, E. & Sari, R. (2011), Relativistic shock breakouts - a variety of gamma-ray flares: from low luminosity gamma-ray bursts to type Ia supernovae, ApJ in press. Nakar, E. & Piran, T, (2011) Detectable radio flares following gravitational waves from mergers of binary neutron stars, Nature, 478, 82 Nakar, E., Bret, A. & Milosavljević, M. (2011), Two-stream-like Instability in Dilute Hot Relativistic Beams and Astrophysical Relativistic Shocks, ApJ, 738, 93 Bromberg, O., Nakar, E., Piran, T. & Sari, R. (2011), An observational imprint of the Collapsar model of long Gamma Ray Bursts, ApJ submitted. Bromberg, O., Nakar, E., Piran, T. & Sari, R. (2011), The Propagation of Relativistic Jets in External Media, ApJ, 740, 100 Svirski, G., Nakar, E. & Ofek, E. O. (2011), SGR 1806-20 distance and dust properties in molecular clouds by analysis of flare X-ray echoes, MNRAS, 415, 2485 Nakar, E. & Sari, R. (2010), Early Supernovae Light Curves Following the Shock Breakout, ApJ, 725, 904 Ofek, E., O. & Nakar, E. (2010), Detectability of Oort Cloud Objects Using Kepler, ApJL, 711, L7 Shaviv, N., J., Nakar, E. & Piran, T (2009), Inhomogeneity in Cosmic Ray Sources as the Origin of the Electron Spectrum and the PAMELA Anomaly, Phys. Rev. Lett. 103, 111302 Nakar, E,. Ando, S. & Sari, R. (2009), Klein-Nishina Effects on Optically Thin Synchrotron and Synchrotron Self-Compton Spectrum, ApJ, 703, 675 Nakar, E., Milosavljević, M., & Nagai, D. (2008), Cluster Merger Shock Constraints on Particle Acceleration and Nonthermal Pressure in the Intracluster Medium, ApJ, 675, 126 Nakar, E. & Granot, J. (2007), Smooth light curves from a bumpy ride: relativistic blast wave encounters a density jump, MNRAS, 380, 1744 Nakar, E. (2007), Short-hard gamma-ray bursts, Physics Reports, 442, 166http://adsabs.harvard.edu/abs/2011arXiv1106.2556Nhttp://adsabs.harvard.edu/abs/2011Natur.478...82Nhttp://adsabs.harvard.edu/abs/2011ApJ...738...93Nhttp://adsabs.harvard.edu/abs/2011arXiv1111.2990Bhttp://adsabs.harvard.edu/abs/2011ApJ...740..100Bhttp://adsabs.harvard.edu/abs/2011MNRAS.415.2485Shttp://adsabs.harvard.edu/abs/2010ApJ...725..904Nhttp://adsabs.harvard.edu/abs/2010ApJ...711L...7Ohttp://adsabs.harvard.edu/abs/2009PhRvL.103k1302Shttp://adsabs.harvard.edu/abs/2009ApJ...703..675Nhttp://adsabs.harvard.edu/abs/2008ApJ...675..126Nhttp://adsabs.harvard.edu/abs/2007MNRAS.380.1744Nhttp://adsabs.harvard.edu/abs/2007PhR...442..166Nshapeimage_2_link_0shapeimage_2_link_1shapeimage_2_link_2shapeimage_2_link_3shapeimage_2_link_4shapeimage_2_link_5shapeimage_2_link_6shapeimage_2_link_7shapeimage_2_link_8shapeimage_2_link_9shapeimage_2_link_10shapeimage_2_link_11shapeimage_2_link_12