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Light-Matter Decoupling in the Deep Strong Coupling Regime: The Breakdown of the Purcell Effect
Open accessAbstract
Improvements in both the photonic confinement and the emitter design have led to a steady increase in the strength of the light-matter coupling in cavity quantum electrodynamics experiments. This has allowed us to access interaction-dominated regimes in which the state of the system can only be described in terms of mixed light-matter excitations. Here we show that, when the coupling between light and matter becomes strong enough, this picture breaks down, and light and matter degrees of freedom totally decouple. A striking consequence of such a counterintuitive phenomenon is that the Purcell effect is reversed and the spontaneous emission rate, usually thought to increase with the light-matter coupling strength, plummets instead for large enough couplings.
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Cites
Circuit quantum electrodynamics in the ultrastrong-coupling regime
Niemczyk, T., Deppe, F., Huebl, H., Menzel, E. P., Hocke, F., Schwarz, M. J., Garcia-Ripoll, J. J., Zueco, D., Hümmer, T., Solano, E., et al. (2010) · Nature Physics · doi:10.1038/nphys1730 · Cited by 1,324
Deep Strong Coupling Regime of the Jaynes-Cummings Model
Casanova, J., Romero, G., Lizuain, I., García-Ripoll, J. J., & Solano, E. (2010) · Physical Review Letters · doi:10.1103/physrevlett.105.263603 · Cited by 535
Cited by
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
Flick, J., Ruggenthaler, M., Appel, H., & Rubio, A. (2017) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1615509114 · Cited by 573
Virtual photons in the ground state of a dissipative system
De Liberato, S. (2017) · Nature Communications · doi:10.1038/s41467-017-01504-5 · Cited by 108
Self-citation
Metadata
- Authors
- De Liberato, S.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2014-01-06
- Volume
- 112
- Issue
- 1
- Pages
- 016401-016401
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2076565431
- Cited by
- 231
- References
- 2
- FWCI
- 11.81
- Type
- journal article
- Language
- en
- Open access
- green
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- De Liberato, S. (2014). Light-Matter Decoupling in the Deep Strong Coupling Regime: The Breakdown of the Purcell Effect. Physical Review Letters. https://doi.org/10.1103/physrevlett.112.016401
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