Building on last year’s breakthrough ‘time reversal’ experiment, two researchers from the Moscow Institute of Physics and Technology and Argonne National Laboratory have published a new theoretical study in Communications Physics. While their previous paper dealt with a predefined quantum state, this time the physicists have devised a way to time-reverse the evolution of an object in an arbitrary, unknown state.
Source:
https://phys.org/news/2020-08-thermal-chaos-quantum-unknown.html