Physicists recreate Time Travel? (Sorta)

https://arxiv.org/ftp/arxiv/papers/1612/1612.08599.pdf

Key caveats:
-> only sent sub atomic particles back
-> the particles can't be sent back before the experiment was designed

What do they mean by "ReCreate"?

I've been reading about time travel and there is a Dr Ronald Mallett, who believes that if you can bend laser beams time travel is possible.

Sorry typing on my phone here but yeah look it up.

Sorta like recreating the past.
New time lines new life possibilities.