The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Analog quantum simulation of the Rabi model in the ultra-strong coupling regime
Open accessAbstract
The quantum Rabi model describes the fundamental mechanism of light-matter interaction. It consists of a two-level atom or qubit coupled to a quantized harmonic mode via a transversal interaction. In the weak coupling regime, it reduces to the well-known Jaynes–Cummings model by applying a rotating wave approximation. The rotating wave approximation breaks down in the ultra-strong coupling regime, where the effective coupling strength g is comparable to the energy ω of the bosonic mode, and remarkable features in the system dynamics are revealed. Here we demonstrate an analog quantum simulation of an effective quantum Rabi model in the ultra-strong coupling regime, achieving a relative coupling ratio of g/ω ~ 0.6. The quantum hardware of the simulator is a superconducting circuit embedded in a cQED setup. We observe fast and periodic quantum state collapses and revivals of the initial qubit state, being the most distinct signature of the synthesized model.
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Citations
Cites
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Cited by
Superconducting Qubits: Current State of Play
Kjaergaard, M., Schwartz, M. E., Braumüller, J., Krantz, P., Wang, J. I.-J., Gustavsson, S., & Oliver, W. D. (2020) · Annual Review of Condensed Matter Physics · doi:10.1146/annurev-conmatphys-031119-050605 · Cited by 1,544
Self-citationMicrowave photonics with superconducting quantum circuits
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Digital-analog quantum computation
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Metadata
- Authors
- Braumüller, J., Marthaler, M., Schneider, A., Stehli, A., Rotzinger, H., Weides, M., & Ustinov, A. V.
- Venue
- Nature Communications
- Published
- 2017-10-03
- Volume
- 8
- Issue
- 1
- Pages
- 779-779
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2558147373
- Cited by
- 163
- References
- 11
- FWCI
- 10.79
- Type
- journal article
- Language
- en
- Open access
- gold
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- Braumüller, J., Marthaler, M., Schneider, A., Stehli, A., Rotzinger, H., Weides, M., & Ustinov, A. V. (2017). Analog quantum simulation of the Rabi model in the ultra-strong coupling regime. Nature Communications. https://doi.org/10.1038/s41467-017-00894-w
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