Researchers build a 'mini universe' capable of tracking time independently
A team at Birmingham University has developed a laboratory-based "mini universe" consisting of 24,000 ultracold atoms. This experiment demonstrates that time can arise organically from internal shifts within a quantum system, even without the presence of an external clock. These results align with the Wheeler-DeWitt equation, a theory suggesting the universe exists as one quantum state devoid of outside time. To achieve this, the atoms were kept isolated and divided by a laser-based barrier.
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