Stochastic classical field model for polariton condensates
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We use the truncated Wigner approximation to derive stochastic classical field equations for the description of polariton condensates. Our equations are shown to reduce to the Boltzmann equation in the limit of low polariton density. Monte Carlo simulations are performed to analyze the momentum distribution and the first- and second-order coherences when the particle density is varied across the condensation threshold.
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In incoherent pumping configurations, a higher noise level is found, with additional fluctuations from spontaneous events in the pumping process, given by ⟨ξ*ξ⟩ = 1/2 (γ_loss + γ_pump(1+|ψ|^2/n_S)) δ^(2)(r-r') δ(t-t').
“Of course, a higher noise level is found in incoherent pumping configurations [80] where additional fluctuations are given by spontaneous events in the pumping process, ξ * (r ∥ , t ) ξ(r ′ ∥ , t ′ ) = 1 2 γ loss + γ pump 1 + |ψ| 2 /n S δ (2) (r ∥ -r ′ ∥ ) δ(t -t ′ ).”
From How to exploit driving and dissipation to stabilize and manipulate quantum many-body states (2025) · cites this paper as [80]
Equation (33), in the passage labeled (28), includes both inscattering and loss in the stochastic noise correlation; the passage labeled (35) also discusses spontaneous inscattering. But the paper gives the noise in terms of scattering kernels and does not give the quoted local formula with γ_pump(1+|ψ|²/n_S), nor establish the stated comparison with coherent pumping. (LLM, conf=0.85)
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Berezinskii–Kosterlitz–Thouless crossover in a trapped atomic gas
Hadzibabic, Z., Krüger, P., Cheneau, M., Battelier, B., & Dalibard, J. (2006) · Nature · doi:10.1038/nature04851 · Cited by 972 · see citing works
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Research works printed but not linked: 5
- For a review, see J. Keeling, F. M. Marchetti, M. H. Szymanska, and P. B. Littlewood, Semicond. Sci. Technol. 22, R1 ͑2007͒.
- H. Deng, D. Press, S. Gotzinger, G. S. Solomon, R. Hey, K. H. Ploog, and Y. Yamamoto, Phys. Rev. Lett. 97, 146402 ͑2006͒.
- For a discussion out of equilibrium, see, e.g., H. Haug and A.-P. Jauho, Quantum Kinetics in Transport and Optics of Semicon- ductors ͑Springer, New York, 1998͒, part II.
- C. W. Gardiner and P. Zoller, Quantum Noise ͑Springer-Verlag, Berlin, 2000͒.
- See, e.g., H. Ghafouri-Shiraz The Principles of Semiconductor Laser Diodes and Amplifiers ͑Imperial College Press, London, 2004͒.
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How to exploit driving and dissipation to stabilize and manipulate quantum many-body states
Carusotto, I. (2025) · Comptes Rendus. Physique · doi:10.5802/crphys.258 · Cited by 5 · see citing works
“Of course, a higher noise level is found in incoherent pumping configurations [59] where additional contributions are given by spontaneous events in the pumping process, Further sources of quantum noise may stem from the interaction of the Bogoliubov modes of the photon fluid with phonon modes in…”
- Authors
- Wouters, M., & Savona, V.
- Affiliations
- École Polytechnique Fédérale de Lausanne (CH)
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2009-04-06
- Volume
- 79
- Issue
- 16
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2119734371
- Cited by
- 122
- References
- 1
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 4 · 2023: 9 · 2022: 5 · 2021: 8 · 2020: 8 · 2019: 5 · 2018: 11 · 2017: 7 · 2016: 10 · 2015: 6 · 2014: 11 · 2013: 7 · 2012: 6
- FWCI
- 4.27
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Physical Review B (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
- Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Strong Light-Matter Interactions
- Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Semiconductor Quantum Structures and Devices
- Keywords
- exciton-polariton condensates, truncated Wigner approximation, Boltzmann equation, low-density limit, condensation threshold, momentum distribution, second-order coherence, first-order coherence, Bose-Einstein condensation
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