Article Synopsis

  • False vacuum decay involves transitioning from a metastable state to a true vacuum state, crucial for understanding quantum field theory and phenomena like phase transitions.
  • The study presents a real-time observation of quantized bubble formation, which is key to false vacuum decay, using a quantum annealer with 5,564 superconducting qubits.
  • A new effective model was developed to accurately describe both the creation and interaction of these bubbles, demonstrating coherent scaling laws in large quantum systems with up to 1,000 intrinsic qubit time units.

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Article 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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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11908970PMC
http://dx.doi.org/10.1038/s41567-024-02765-wDOI Listing

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Article Synopsis
  • False vacuum decay involves transitioning from a metastable state to a true vacuum state, crucial for understanding quantum field theory and phenomena like phase transitions.
  • The study presents a real-time observation of quantized bubble formation, which is key to false vacuum decay, using a quantum annealer with 5,564 superconducting qubits.
  • A new effective model was developed to accurately describe both the creation and interaction of these bubbles, demonstrating coherent scaling laws in large quantum systems with up to 1,000 intrinsic qubit time units.
View Article and Find Full Text PDF