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Simultaneous control of optical dipole force and coherence creation by super-Gaussian femtosecond pulses in lambda-like atomic systems
Pawan Kumar, Parvendra Kumar, Amarendra K. Sarma
We report a study on the optical dipole force on a beam of neutral three-level like atomic system induced by a femtosecond super-Gaussian pulse. We show that maximum coherence betw…
Magnetic Fields In Relativistic Collisionless Shocks
Rodolfo Santana, Rodolfo Barniol Duran, Pawan Kumar
We present a systematic study on magnetic fields in Gamma-Ray Burst (GRB) external forward shocks (FSs). There are 60 (35) GRBs in our X-ray (optical) sample, mostly from Swift. We…
A model for the multiwavelength radiation from tidal disruption event Swift J1644+57
P. Kumar, R. Barniol Duran, Z. Bosnjak +1
Gamma-ray observations of a stellar tidal disruption event (TDE) detected by the Swift satellite and follow up observations in radio, mm, infrared and x-ray bands have provided a r…