
For the First Time Ever, Scientists Caught Time Crystals Interacting
That’s big news for the most mysterious phase of matter—and maybe physics as we know it.
No es ciencia ficción.

Time crystals enter the real world of condensed matter – Physics World
Peter Hannaford and Krzysztof Sacha ask whether we can realize condensed-matter phenomena exhibited by ordinary spatial crystals in the time dimension
Quantum Time Crystals
Some subtleties and apparent difficulties associated with the notion of spontaneous breaking of time-translation symmetry in quantum mechanics are identified and resolved. A model exhibiting that phenomenon is displayed. The possibility and significance of breaking of imaginary time-translation symm…