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On the effect of longitude-dependent fields on convection in stellar atmospheres

  • Theoretical and Mathematical Physics
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Abstract

In rotating stellar convective zones, heat transfer is shown to be associated with unbalanced azimuth forces arising in the radially ascending (heated) or descending (cold) matter. The presence of a longitude-dependent magnetic field generates additional azimuth forces, hence, new ways of compensating for the unbalanced forces. Generally speaking, this magnetic field is variable but may be nearly static in layers where convective equilibrium is replaced by radiative equilibrium. The condition for the coexistence of the static and usual fields is derived. To this end, an axisymmetric azimuth magnetic field of energy comparable to the energy of rotation should be introduced into models under consideration. In such configurations, conditions for magnetic field generation, as in the Sun, may appear.

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References

  1. E. N. Parker, Cosmical Magnetic Fields (Clarendon, Oxford, 1979; Mir, Moscow, 1982).

    Google Scholar 

  2. Yu. V. Vandakurov, Pis’ma Astron. Zh. 25, 868 (1999) [Astron. Lett. 25, 758 (1999)].

    Google Scholar 

  3. Yu. V. Vandakurov, Pis’ma Astron. Zh. 28, 633 (2002) [Astron. Lett. 28, 560 (2002)].

    Google Scholar 

  4. H. C. Spruit, Sol. Phys. 34, 277 (1974).

    Article  ADS  Google Scholar 

  5. D. A. Varshalovich, A. N. Moskalev, and V. K. Khersonskii, Quantum Theory of Angular Momentum (Nauka, Leningrad, 1975; World Sci., Singapore, 1988).

    Google Scholar 

  6. Yu. V. Vandakurov, Astron. Zh. 76, 29 (1999) [Astron. Rep. 43, 24 (1999)].

    Google Scholar 

  7. Yu. V. Vandakurov, Astron. Zh. 78, 253 (2001) [Astron. Rep. 45, 216 (2001)].

    Google Scholar 

  8. Yu. V. Vandakurov, Pis’ma Astron. Zh. 25, 143 (1999) [Astron. Lett. 25, 111 (1999)].

    Google Scholar 

  9. Yu. V. Vandakurov, Zh. Tekh. Fiz. 71(6), 1 (2001) [Tech. Phys. 46, 645 (2001)].

    Google Scholar 

  10. Yu. V. Vandakurov, Astron. Zh. 74, 115 (1997) [Astron. Rep. 41, 106 (1997)].

    Google Scholar 

  11. Yu. V. Vandakurov, Pis’ma Astron. Zh. 27, 700 (2001) [Astron. Lett. 27, 596 (2001)].

    Google Scholar 

  12. Yu. V. Vandakurov, Izv. Vyssh. Uchebn. Zaved. Radiofiz. 44, 735 (2001) [Radiophys. Quantum Electron. 44, 678 (2001)].

    Google Scholar 

  13. J. Schou, H. M. Antia, S. Basu, et al., Astrophys. J. 505, 390 (1998).

    Article  ADS  Google Scholar 

  14. R. Howe, J. Christensen-Dalsgaard, F. Hill, et al., Science 287, 2456 (2000).

    Article  ADS  Google Scholar 

  15. Yu. V. Vandakurov, Pis’ma Zh. Tekh. Fiz. 27(18), 29 (2001) [Tech. Phys. Lett. 27, 769 (2001)].

    Google Scholar 

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Authors and Affiliations

  1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia

    Yu. V. Vandakurov

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  1. Yu. V. Vandakurov
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__________

Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 73, No. 3, 2003, pp. 23–27.

Original Russian Text Copyright © 2003 by Vandakurov.

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Vandakurov, Y.V. On the effect of longitude-dependent fields on convection in stellar atmospheres. Tech. Phys. 48, 298–302 (2003). https://doi.org/10.1134/1.1562257

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  • DOI: https://doi.org/10.1134/1.1562257

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