Experiment shows when quantum 'cat' states stop bouncing back

Researchers at Fuzhou University in China studied the behavior of quantum 'cat' states, which are superpositions of different quantum possibilities. Their experiment demonstrated how interference in these states can fade due to decoherence and whether it can return when the environment size is increased. The findings indicate that expanding the environment from one qubit to eight qubits progressively suppresses the return of interference, providing insights into quantum coherence dynamics.

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