Effect of gravity in high-temperature liquids near the critical point

Alekhin, A. D.; Rudnikov, E. G.

doi:10.30970/jps.08.103

Cited by 1 publication

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“…In other words, the I −1 versus τ dependence should have a minimum at some τ 0 . The effect was indeed registered, for instance, in freon 113 [14,15]. Our estimations for the minimum location, τ 0 ∼ 10 −3 for heights up to 20mm (τ > 0), agree well with experiment.…”

Section: Discussionsupporting

confidence: 87%

“…In our view, these results strongly indicate that the 1.5-scattering is noticeably present, under certain conditions, in the overall scattering pattern. Moreover, the idea of 1.5-scattering allows us to give simple explanations for the anomalies in the behavior of I −1 in the gravity field [14,15] and those of the Landau-Plazcek ratio near the λ-line [16][17][18], which were observed long ago, but have been interpreted controversially.…”

Section: Introductionmentioning

confidence: 99%

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Experimental observation of triple correlations in fluids

Sushko¹

2013

Condens. Matter Phys.

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We present arguments for the hypothesis that under some conditions, triple correlations of density fluctuations in fluids can be detected experimentally by the method of molecular spectroscopy. These correlations manifest themselves in the form of the so-called 1.5-(i.e., sesquialteral) scattering. The latter is of most significance in the pre-asymptotic vicinity of the critical point and can be registered along certain thermodynamic paths. Its presence in the overall scattering pattern is demonstrated by our processing experimental data for the depolarization factor. Some consequences of these results are discussed.

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Section: Discussionsupporting

confidence: 87%