Journal article
Manipulating quantum materials with quantum light
- Abstract:
- We show that the macroscopic magnetic and electronic properties of strongly correlated electron systems can be manipulated by coupling them to a cavity mode. As a paradigmatic example we consider the Fermi-Hubbard model and find that the electron-cavity coupling enhances the magnetic interaction between the electron spins in the ground-state manifold. At half filling this effect can be observed by a change in the magnetic susceptibility. At less than half filling, the cavity introduces a next-nearest-neighbor hopping and mediates a long-range electron-electron interaction between distant sites. We study the ground-state properties with tensor network methods and find that the cavity coupling can induce a phase characterized by a momentum-space pairing effect for electrons.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Publisher copy:
- 10.1103/PhysRevB.99.085116
Authors
- Publisher:
- American Physical Society
- Journal:
- Physical Review B More from this journal
- Volume:
- 99
- Issue:
- 8
- Pages:
- 085116
- Publication date:
- 2019-02-11
- Acceptance date:
- 2019-01-29
- DOI:
- EISSN:
-
2469-9969
- ISSN:
-
2469-9950
- Pubs id:
-
pubs:966883
- UUID:
-
uuid:35caa434-eb8d-467a-91b1-92c16d426a19
- Local pid:
-
pubs:966883
- Source identifiers:
-
966883
- Deposit date:
-
2019-01-30
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2019
- Notes:
- © 2019 American Physical Society. This is the publisher's version of the article which is available online from American Physical Society at: https://doi.org/10.1103/PhysRevB.99.085116. An eratum to this article is available here: https://doi.org/10.1103/PhysRevB.99.099907
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