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Phase transition of an exciton system in GaAs coupled quantum wells
Abstract
We have observed a sharp reduction of the photoluminescence linewidth from a two-dimensional exciton system (coupled GaAs/AlGaAs quantum wells), at a certain critical temperature (${\mathit{T}}_{\mathit{c}}$) and under the influence of an electric field. We attribute this narrowing to a phase transition of the exciton system into an ordered state. The experiments suggest that a coherence length long enough to wash out the effect of the fluctuations, which cause the line broadening, is introduced below ${\mathit{T}}_{\mathit{c}}$.
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The two-dimensional Coulomb gas, vortex unbinding, and superfluid-superconducting films
Minnhagen, P. (1987) · Reviews of Modern Physics · doi:10.1103/revmodphys.59.1001 · Cited by 1,020
Cited by
Evidence for a New Dissipationless Effect in 2D Electronic Transport
Zudov, M. A., Du, R. R., Pfeiffer, L. N., & West, K. W. (2003) · Physical Review Letters · doi:10.1103/physrevlett.90.046807 · Cited by 543
Non-equilibrium Bose–Einstein condensation in photonic systems
Bloch, J., Carusotto, I., & Wouters, M. (2022) · Nature Reviews Physics · doi:10.1038/s42254-022-00464-0 · Cited by 105
Metadata
- Authors
- Fukuzawa, T., Mendez, E. E., & Hong, J. M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1990-06-18
- Volume
- 64
- Issue
- 25
- Pages
- 3066-3069
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W1993916091
- Cited by
- 250
- References
- 1
- FWCI
- 6.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Phase transition of an exciton system in GaAs coupled quantum wells. https://app.cochat.ai/papers/10.1103/physrevlett.64.3066
- The paper
- Fukuzawa, T., Mendez, E. E., & Hong, J. M. (1990). Phase transition of an exciton system in GaAs coupled quantum wells. Physical Review Letters. https://doi.org/10.1103/physrevlett.64.3066
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