3 ms·
> So a time crystal is a phase of matter that spontaneously breaks this translation symmetry in time, to show you some kind of periodic, pulsing forever. Isn't
by rightbyte 4y ago
> So a time crystal is a phase of matter that spontaneously breaks this translation symmetry in time, to show you some kind of periodic, pulsing forever.
Isn't this Maxwell's Demon?
- kadoban 4y agoOnly if it can choose arbitrary particles to let through a gate or reject. Pulsing is just standing still, but with a bit extra flair.
- peterashford 4y agoIs that like falling with style?
- taneq 4y agoYes but in all directions at one!
- BlueTemplar 4y agoNo, but debates around Maxwell's Demon, Landauer's Principle and reversible computing are still kind of ongoing... https://news.ycombinator.com/item?id=26908886 https://news.ycombinator.com/item?id=26908886 https://en.wikipedia.org/wiki/Landauer%27s_principle#Challenges https://en.wikipedia.org/wiki/Landauer%27s_principle#Challen... https://en.wikipedia.org/wiki/Reversible_computing https://en.wikipedia.org/wiki/Reversible_computing > Due to the unitarity of quantum mechanics, quantum circuits are reversible, as long as they do not "collapse" the quantum states they operate on.