Turbulent luminance in impassioned van Gogh paintings

Details Turbulent luminance in impassioned van Gogh paintings Turbulent luminance in impassioned van Gogh paintings

2006-06-28

arxiv.org/abs/physics/0606246v2

Physics

Fluid Dynamics

5 pages, 6 figures

Scientific paper

Everything in the last period of Vincent van Gogh paintings seems to be moving; this dynamical style served to transmit his own feelings about a figure or a landscape. Since the early impressionism, artists emprically discovered that an adequate use of luminance could generate the sensation of motion. This sentation was more complex in the case of van Gogh paintings of the last period: turbulence is the main adjective used to describe these paintings. It has been specifically mentioned, for instance, that the famous painting \emph{Starry Night}, vividly transmits the sense of turbulence and was compared with a picture of a distant star from the NASA/ESA Hubble Space Telescope, where eddies probably caused by dust and gas turbulence are clearly seen [1]. It is the purpose of this paper to show that the probability distribution function (PDF) of luminance fluctuations in some impassioned van Gogh paintings, painted at times close to periods of prolonged psychotic agitation of this artist, compares notable well with the PDF of the velocity differences in a turbulent flow as predicted by the statistical theory of Kolmogorov. This is not the first time that this analogy with hydrodinamic turbulence is reported in a field far different from fluid mechanics; it has been also observed in fluctuations of the foreign exchange markets time series [2].

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