The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Experimentally simulating the dynamics of quantum light and matter at deep-strong coupling
Open accessAbstract
The quantum Rabi model describing the fundamental interaction between light and matter is a cornerstone of quantum physics. It predicts exotic phenomena like quantum phase transitions and ground-state entanglement in ultrastrong and deep-strong coupling regimes, where coupling strengths are comparable to or larger than subsystem energies. Demonstrating dynamics remains an outstanding challenge, the few experiments reaching these regimes being limited to spectroscopy. Here, we employ a circuit quantum electrodynamics chip with moderate coupling between a resonator and transmon qubit to realise accurate digital quantum simulation of deep-strong coupling dynamics. We advance the state of the art in solid-state digital quantum simulation by using up to 90 second-order Trotter steps and probing both subsystems in a combined Hilbert space dimension of ∼80, demonstrating characteristic Schrödinger-cat-like entanglement and large photon build-up. Our approach will enable exploration of extreme coupling regimes and quantum phase transitions, and demonstrates a clear first step towards larger complexities such as in the Dicke model.
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Universal Digital Quantum Simulation with Trapped Ions
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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
Microwave photonics with superconducting quantum circuits
Gu, X., Kockum, A. F., Miranowicz, A., Liu, Y.-X., & Nori, F. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.10.002 · Cited by 1,307
Digital-analog quantum computation
Parra-Rodriguez, A., Lougovski, P., Lamata, L., Solano, E., & Sanz, M. (2020) · Physical Review A · doi:10.1103/physreva.101.022305 · Cited by 104
Floquet Quantum Simulation with Superconducting Qubits
Kyriienko, O., & Sørensen, A. S. (2018) · Physical Review Applied · doi:10.1103/physrevapplied.9.064029 · Cited by 48
Metadata
- Authors
- Langford, N. K., Sagastizabal, R., Kounalakis, M., Dickel, C., Bruno, A., Luthi, F., Thoen, D. J., Endo, A., & DiCarlo, L.
- Venue
- Nature Communications
- Published
- 2017-11-23
- Volume
- 8
- Issue
- 1
- Pages
- 1715-1715
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2541254111
- Cited by
- 201
- References
- 10
- FWCI
- 14.03
- Type
- journal article
- Language
- en
- Open access
- gold
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- Langford, N. K., Sagastizabal, R., Kounalakis, M., Dickel, C., Bruno, A., Luthi, F., Thoen, D. J., Endo, A., & DiCarlo, L. (2017). Experimentally simulating the dynamics of quantum light and matter at deep-strong coupling. Nature Communications. https://doi.org/10.1038/s41467-017-01061-x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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