Bogoliubov Excitations Driven by Thermal Lattice Phonons in a Quantum Fluid of Light
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The elementary excitations in weakly interacting quantum fluids have a nontrivial nature which is at the basis of defining quantum phenomena such as superfluidity.These excitations and the physics they lead to have been explored in closed quantum systems at thermal equilibrium both theoretically within the celebrated Bogoliubov framework and experimentally in quantum fluids of ultracold atoms.Over the past decade, the relevance of Bogoliubov excitations has become essential to understand quantum fluids of interacting photons.Their driven-dissipative character leads to distinct properties with respect to their equilibrium counterparts.For instance, the condensate coupling to the photonic vacuum environment leads to a nonzero generation rate of elementary excitations with many striking implications.In this work, considering that quantum fluids of light are often hosted in solid-state systems, we show within a joint theory-experiment analysis that the vibrations of the crystal constitute another environment that the condensate is fundamentally coupled to.This coupling leads to a unique heat transfer mechanism, resulting in a large generation rate of elementary excitations in typical experimental conditions, and to a fundamental nonzero contribution at vanishing temperatures.Our work provides a complete framework for solidembedded quantum fluids of light, which is invaluable in view of achieving a regime dominated by photonvacuum fluctuations.
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Further sources of quantum noise may stem from interaction of the Bogoliubov modes of the photon fluid with phonon modes in the solid-state crystal hosting the fluid of light.
“Further sources of quantum noise may stem from the interaction of the Bogoliubov modes of the photon fluid with phonon modes in the solid-state crystal hosting the fluid of light [81].”
From How to exploit driving and dissipation to stabilize and manipulate quantum many-body states (2025) · cites this paper as [81]
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Research works printed but not linked: 4
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- See Supplemental Material at http://link.aps.org/ supplemental/10.1103/PhysRevX.13.041058 for additional experimental measurements, and for details on the data analysis method.
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- Authors
- Frérot, I., Vashisht, A., Morassi, M., Lemaître, A., Ravets, S., Bloch, J., Minguzzi, A., & Richard, M.
- Affiliations
- Institut polytechnique de Grenoble (FR)
- Centre National de la Recherche Scientifique (FR)
- Université Paris-Sud (FR)
- ORCID
- Venue
- Physical Review X
- Publisher
- American Physical Society (APS)
- Published
- 2023-12-26
- Volume
- 13
- Issue
- 4
- Pages
- 041058
- ISSN
- 2160-3308 (ISSN-L)
- OpenAlex
- W4390237212
- Cited by
- 11
- References
- 68
- Citations by year
- 2026: 2 · 2025: 5 · 2024: 4
- FWCI
- 1.28
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Physical Review X (publishedVersion, cc-by)
- HAL (submittedVersion, other-oa)
- Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles) (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- DR-NTU (Nanyang Technological University) (submittedVersion)
- Funders
- HORIZON EUROPE Marie Sklodowska-Curie Actions (101031549, 754303)
- Horizon 2020 Framework Programme (949730, 101054448, 101044957)
- NUS’s Centre of Quantum Technologies’s Exploratory Initiative Programme
- Paris Ile de France region (France) via the DIM SIRTEQ project
- The French RENATECH network
- The General Council of Essonne
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Strong Light-Matter Interactions
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Mechanical and Optical Resonators
- Keywords
- Bogoliubov excitations, quantum fluids of light, lattice phonons, driven-dissipative systems, heat transfer mechanisms, nonequilibrium quantum systems
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