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Cited by 1,648

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Hydrodynamic fluctuations at the convective instability

Swift, J., Hohenberg, P. C.·1977·Physical Review A

Abstract

The effects of thermal fluctuations on the convective instability are considered. It is shown that the Langevin equations for hydrodynamic fluctuations are equivalent, near the instability, to a model for the crystallization of a fluid in equilibrium. Unlike the usual models, however, the free energy of the present system does not possess terms cubic in the order parameter, and therefore the system undergoes a second-order transition in mean-field theory. The effects of fluctuations on such a model were recently discussed by Brazovskii, who found a first-order transition in three dimensions. A similar argument also leads to a discontinuous transition for the convective model, which behaves two dimensionally for sufficiently large lateral dimensions. The magnitude of the jump is unobservably small, however, because of the weakness of the thermal fluctuations being considered. The relation of the present analysis to the work of Graham and Pleiner is discussed.

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Metadata

Authors
Swift, J., & Hohenberg, P. C.
Venue
Physical Review A
Published
1977-01-01
Volume
15
Issue
1
Pages
319-328
ISSN
0556-2791 (ISSN-L)
OpenAlex
W2000883601
Cited by
1,648
References
9
FWCI
5.40
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Hydrodynamic fluctuations at the convective instability. https://app.cochat.ai/papers/10.1103/physreva.15.319
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Swift, J., & Hohenberg, P. C. (1977). Hydrodynamic fluctuations at the convective instability. Physical Review A. https://doi.org/10.1103/physreva.15.319

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