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Internal Structure of the Jets from Young Stars Simulated at Plasma Focus Facilities

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Abstract

The laboratory simulations of jets from young stars that have been carried out for many years at plasma focus facilities allow the internal structure of the active regions emerging during the interaction of the jet with the surrounding plasma to be studied in detail. We have found a new wide class of solutions for the equations of ideal magnetohydrodynamics describing the closed axisymmetric stationary flows that are apparently realized in the active regions. Such flows are shown to well reproduce the internal structure of the plasma outflows observed in laboratory simulations of astrophysical jets.

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Notes

  1. The minus sign was introduced in order that the current \(I\) be positive.

  2. Since here we everywhere consider only the axisymmetric configurations, only the poloidal components of all vectors play a leading role.

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ACKNOWLEDGMENTS

We are grateful to K.P. Zybin and V.I. Krauz for the stimulating discussion.

Funding

This work was supported by the Russian Foundation for Basic Research (project no. 18-29-21006).

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 119991, Russia

    V. S. Beskin

  2. Moscow Institute of Physics and Technology, Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141701, Russia

    V. S. Beskin

  3. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Miusskaya pl. 4, Moscow, 125047, Russia

    I. Yu. Kalashnikov

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  1. V. S. Beskin
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Correspondence to V. S. Beskin.

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Translated by V. Astakhov

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Beskin, V.S., Kalashnikov, I.Y. Internal Structure of the Jets from Young Stars Simulated at Plasma Focus Facilities. Astron. Lett. 46, 462–472 (2020). https://doi.org/10.1134/S1063773720070026

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