Non-perturbative switching rates in bistable open quantum systems: from driven Kerr oscillators to dissipative cat qubits
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Acceso en línea: | |
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| _version_ | 1866917414613024768 |
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| author | Carde, Léon Gautier, Ronan Didier, Nicolas Petrescu, Alexandru Cohen, Joachim McDonald, Alexander |
| author_facet | Carde, Léon Gautier, Ronan Didier, Nicolas Petrescu, Alexandru Cohen, Joachim McDonald, Alexander |
| contents | In this work, we use path integral techniques to predict the switching rate in a single-mode bistable open quantum system. While analytical expressions are well-known to be accessible for systems subject to Gaussian noise obeying classical detailed balance, we generalize this approach to a class of quantum systems, those which satisfy the recently-introduced hidden time-reversal symmetry [1]. In particular, in the context of quantum computing, we deliver precise estimates of bit-flip error rates in cat-qubit architectures, circumventing the need for costly numerical simulations. Our results open new avenues for exploring switching phenomena in multistable single- and many-body open quantum systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_18714 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Non-perturbative switching rates in bistable open quantum systems: from driven Kerr oscillators to dissipative cat qubits Carde, Léon Gautier, Ronan Didier, Nicolas Petrescu, Alexandru Cohen, Joachim McDonald, Alexander Quantum Physics In this work, we use path integral techniques to predict the switching rate in a single-mode bistable open quantum system. While analytical expressions are well-known to be accessible for systems subject to Gaussian noise obeying classical detailed balance, we generalize this approach to a class of quantum systems, those which satisfy the recently-introduced hidden time-reversal symmetry [1]. In particular, in the context of quantum computing, we deliver precise estimates of bit-flip error rates in cat-qubit architectures, circumventing the need for costly numerical simulations. Our results open new avenues for exploring switching phenomena in multistable single- and many-body open quantum systems. |
| title | Non-perturbative switching rates in bistable open quantum systems: from driven Kerr oscillators to dissipative cat qubits |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2507.18714 |