Cavity-induced quantum spin liquids
- Quantum spin liquids provide paradigmatic examples of highly entangled quantum states of matter. Frustration is the key mechanism to favor spin liquids over more conventional magnetically ordered states. Here we propose to engineer frustration by exploiting the coupling of quantum magnets to the quantized light of an optical cavity. The interplay between the quantum fluctuations of the electro-magnetic field and the strongly correlated electrons results in a tunable long-range interaction between localized spins. This cavity-induced frustration robustly stabilizes spin liquid states, which occupy an extensive region in the phase diagram spanned by the range and strength of the tailored interaction. This occurs even in originally unfrustrated systems, as we showcase for the Heisenberg model on the square lattice.
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| Author: | Alessio Chiocchetta, Dominik Kiese, Carl Philipp Zelle, Francesco PiazzaORCiDGND, Sebastian Diehl |
|---|---|
| URN: | urn:nbn:de:bvb:384-opus4-1084081 |
| Frontdoor URL | https://opus.bibliothek.uni-augsburg.de/opus4/108408 |
| ISSN: | 2041-1723OPAC |
| Parent Title (English): | Nature Communications |
| Publisher: | Springer Science and Business Media LLC |
| Type: | Article |
| Language: | English |
| Year of first Publication: | 2021 |
| Publishing Institution: | Universität Augsburg |
| Release Date: | 2023/10/16 |
| Tag: | General Physics and Astronomy |
| Volume: | 12 |
| Issue: | 1 |
| First Page: | 5901 |
| DOI: | https://doi.org/10.1038/s41467-021-26076-3 |
| Institutes: | Mathematisch-Naturwissenschaftlich-Technische Fakultät |
| Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik | |
| Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik / Lehrstuhl für Theoretische Physik III | |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Licence (German): |  CC-BY 4.0: Creative Commons: Namensnennung (mit Print on Demand) |
