Gamma flashes from relativistic electron-positron plasma droplets
  Ultra-intense lasers are expected to produce, in near future, relativistic electron-positron plasma droplets. Considering the local photon production rate in complete leading order in quantum electrodynamics (QED), we point out that these droplets are interesting sources of gamma ray flashes 
Munshi G. Mustafa (FZD-Rossendorf, Germany & SINP, India), B. Kampfer   (FZD-Rossendorf & TU Dresden, Germany)