DR. KINJALK LOCHAN

Black holes are infamously known as the destroyers of information, eliminating every trace of relevant information about anything that falls into them. The black hole, after eating up whatever is thrown into it, gradually evaporates by emitting purely thermal radiation, without leaving behind any trace of information about the items it has gobbled up. We defend the blackhole against this accusation. We show that since the matter thrown in, is fundamentally quantum in nature, the radiation emitted during black hole evaporation gets distorted from being thermal. Such distortions carry imprints of the matter that was chucked in. The result becomes particularly relevant if the initial state of the matter that was thrown in, possessed certain symmetries. It is then possible to reconstruct complete information about the initial state from the distortions of the emitted spectrum! In principle, this process can be interpolated throughout the history of blackhole formation, thereby making it plausible to reconstruct the information which is considered irretrievably lost in the conventional picture.