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Spacetime Crystal

All articles tagged with #spacetime crystal

science1 month ago•6 min saved

Tabletop spacetime crystal melts in three stages, showing time and space order can detach

Physicists built a tabletop spacetime crystal from hundreds of plastic disks on a vibrating plate and observed a three-stage melt: temporal order decays locally, then rhythm collapses system-wide, and finally the spatial lattice disintegrates into a disordered fluid. The experiments, a classical analog to quantum spacetime crystals, reveal that spatial and temporal orders can melt independently due to two distinct mechanisms, offering new ways to study spatiotemporal symmetry-breaking. Findings published in PNAS (2026).

via ScienceAlert|

#classical-analog #melting #phase-transitions

science2 months ago•4 min saved

Spacetime’s Crystal Phase Unlocks Exact Path to Tiny Black Holes

Physicists have derived the first exact analytic description of critical collapse — the boundary between dispersing spacetime and forming black holes — by solving Einstein–Klein-Gordon equations in the limit of infinitely many dimensions. The work suggests spacetime can self-organize into a delicate, crystal-like state that, with a tiny energy input, can become a black hole, offering a new analytical tool for gravitational physics while the challenge remains to translate these insights back to our four-dimensional universe.

via SciTechDaily|

#analytic-solution #black-holes #critical-collapse

space2 months ago•97 min saved

Spacetime crystals could spawn miniature black holes

Goethe University and TU Wien physicists propose that if spacetime can crystallize into a regular four‑dimensional lattice, a tiny energy perturbation could trigger a critical collapse that births microscopic black holes. Their work provides simple, exact solutions to Einstein’s equations for this process and suggests a possible primordial-black-hole pathway, but it does not prove such holes exist and notes they would evaporate quickly via Hawking radiation.

via Space|

#black-holes #general-relativity #primordial-black-holes