Dicke Cooperativity in Solids
Stuttgarter Physikalisches Kolloquium
- Date: Jul 6, 2021
- Time: 04:15 PM (Local Time Germany)
- Speaker: Junichiro Kono
- Department of Electrical and Computer Engineering, Department of Physics and Astronomy, andDepartment of Materials Science and NanoEngineering, Rice University, Houston, Texas, U.S.A.
- Location: MPI-FKF Stuttgart
- Room: online
Recent advances in optical studies of condensed matter have led to the emergence of a variety of phenomena that have conventionally been studied in quantum optics. These studies have not only deepened our understanding of light-matter interactions but also introduced aspects of many-body effects inherent in condensed matter. This talk will describe our recent studies of Dicke cooperativity, i.e., many-body enhancement of light-matter interaction, a concept in quantum optics [1]. This enhancement has led to the realization of the ultrastrong coupling (USC) regime, where new phenomena emerge through the breakdown of the rotating wave approximation (RWA) [2].
1. For a review, see K. Cong, Q. Zhang, Y. Wang, G. T. Noe II, A. Belyanin, and J. Kono, J. Opt. Soc. Am. B 33, C80 (2016)
2. For a review, see P. Forn-Díaz, L. Lamata, E. Rico, J. Kono, and E. Solano, Rev. Mod. Phys. 91, 025005 (2019).
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