Thermal fluctuations in Nonequilibrium Thermodynamics

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THERMAL FLUCTUATIONS in NONEQUILIBRIUM
THERMODYNAMICS
Jan V. Sengers and José M. Ortiz de
Zárate University of Maryland and Complutense
Universidad Madrid
Rayleigh number R?aL4g??T/?a
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THERMAL FLUCTUATIONS in NONEQUILIBRIUM
THERMODYNAMICS
Rayleigh number R?aL4g??T/?a
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CRITICAL SLOWING DOWN OF FLUCTUATIONS Classical
Van Hove theory

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Tc 31.040C
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CRITICAL SLOWING DOWN OF FLUCTUATIONS
Mode-coupling theory
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Toluene, q 2255 cm-1, ?T 220 K/cm B.M.Law,
P.N.Segrè, R.W.Gammon, J.V.Sengers, Phys. Rev. A
41, 816 (1990)
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P.N.Segrè,R.W.Gammon,J.V.Sengers,B.M.Law, Phys.
Rev. A 45, 714 (1992)
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NONEQUILIBRIUM CONCENTRATION
FLUCTUATIONS
EFFECT OF GRAVITY


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J.V. Sengers, J.M. Ortiz de Zárate Lecture Notes
in Physics 584 (Springer,2002), pp. 121-145
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RAYLEIGH NUMBER RaL3g?T/?a Rc?1708 e(R?Rc)/
Rc
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J.Oh, J.M.Ortiz de Zárate, J.V.Sengers,
G.Ahlers Phys. Rev. E 69, 021106 (2004)
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e -0.066
e -0.003
Movie courtesy of Guenter Ahlers
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