Author Topic: Sometimes Quantum computers do not need to distinguish between cause and effect at all  (Read 791 times)

0 Members and 1 Guest are viewing this topic.

Offline endicom

  • Hero Member
  • ****
  • Posts: 10,115
Next Big Future
Brian Wang
July 21, 2018

Researchers have shown that a quantum computer does not need the arrow of time like a classical computer. In some cases, it’s as if the quantum computer doesn’t need to distinguish between cause and effect at all.

The new work is inspired by an influential discovery made almost ten years ago by complexity scientists James Crutchfield and John Mahoney at the University of California, Davis. They showed that many statistical data sequences will have a built-in arrow of time. An observer who sees the data played from beginning to end, like the frames of a movie, can model what comes next using only a modest amount of memory about what occurred before. An observer who tries to model the system in reverse has a much harder task – potentially needing to track orders of magnitude more information.

More... https://www.nextbigfuture.com/2018/07/sometimes-quantum-computers-do-not-need-to-distinguish-between-cause-and-effect-at-all.html


Share me

Digg  Facebook  SlashDot  Delicious  Technorati  Twitter  Google  Yahoo
Smf