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RUDN University scientist suggested a simple model of dense plasma spectral properties

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IMAGE: A scientist from RUDN University suggested a new physical model to describe the optical properties of dense plasma. The model was tested on available experimental data and does not require…
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Credit: RUDN University

A scientist from RUDN University suggested a new physical model to describe the optical properties of dense plasma. The model was tested on available experimental data and does not require complex calculations. The work was published in the Annals of Physics journal.

Plasma is the fourth state of matter, along with solid matter, liquid, and gas. High-density (up to ~1 g/cm3) plasma is used in many technical and experimental installations such as heavy-current electrical discharge devices, control fusion targets, or laser targets that are used to study the properties of matter under extreme pressure.

An important feature of plasma is its light absorptance coefficient. Its value is to a great extent dependent on the

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