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| Home > Publications database > Stirring the false vacuum via interacting quantized bubbles on a 5,564-qubit quantum annealer |
| Journal Article | FZJ-2025-02411 |
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2025
Nature Publishing Group
Basingstoke
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Please use a persistent id in citations: doi:10.1038/s41567-024-02765-w doi:10.34734/FZJ-2025-02411
Abstract: False vacuum decay—the transition from a metastable quantum state to a true vacuum state—plays an important role in quantum field theory and non-equilibrium phenomena such as phase transitions and dynamical metastability. The non-perturbative nature of false vacuum decay and the limited experimental access to this process make it challenging to study, leaving several open questions regarding how true vacuum bubbles form, move and interact. Here we observe quantized bubble formation in real time, a key feature of false vacuum decay dynamics, using a quantum annealer with 5,564 superconducting flux qubits. We develop an effective model that captures both initial bubble creation and subsequent interactions, and remains accurate under dissipation. The annealer reveals coherent scaling laws in the driven many-body dynamics for more than 1,000 intrinsic qubit time units. This work provides a method for investigating false vacuum dynamics of large quantum systems in quantum annealers.
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