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Astrophysics and Space Science

, Volume 57, Issue 1, pp 249–252 | Cite as

The fast explosive evaporation of mini black holes and flares at magnetospheres: An attractive speculative analogy

  • Pierre Kaufmann
Letters to the Editor

Abstract

A number of suggestive coincidences are found in a purely speculative analogy between the by-products, of a minihole fast evaporation in a plasma, and by-products from flares at magnetospheres. Solar flares might serve as good examples. From an observational point of view our attention is drawn to the considerable extent of the ‘blank’ time interval existing between known ‘before’ and ‘after’ evidences on flares, during which some exotic energy conversion processes could be invoked to explain the large amount of energy released in time-scales that might be very short. We suggest that fundamental progress in the knowledge of energy conversion, processes in flares require observational data with a time resolution several orders of magnitude, better than the currently available data, particularly, for hard X-rays.

Keywords

Evaporation Black Hole Explosive Flare Observational Data 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Chandrasekhar, S. and Fermi, E.: 1953,Astrophys. J. 118, 116.Google Scholar
  2. Dröge, F.: 1977,Astron. Astrophys. 57, 285.Google Scholar
  3. Frost, K. J.: 1969,Astrophys. J. 158, L159.Google Scholar
  4. Frost, K. J. and Dennis, B. R.: 1971,Astrophys. J. 165, 655.Google Scholar
  5. Hawking, S. W.: 1977,Nature,248, 30.Google Scholar
  6. Hoyng, P.: 1977,Astron. Astrophys. 55, 23.Google Scholar
  7. Hoyng, P., Brown, J. C. and van Beek, H. F.: 1976,Solar Phys. 48, 197.Google Scholar
  8. Kaufmann, P.: 1977,Astrophys. Space Sci. 52, 429.Google Scholar
  9. Kaufmann, P., Rizzo Piazza, L. and Raffaelli J. C.: 1977,Solar Phys. 54, 179.Google Scholar
  10. NASA: 1977,A Brief Summary of the Solar Maximum Mission, NASA Report X-682-77-S4, Goddard Space Flight Center, Greenbelt MD, February.Google Scholar
  11. Page, D. N. and Hawking, S. W.: 1976,Astrophys. J..206, 1.Google Scholar
  12. Pallavicini, R., Vaiana G. S., Kahler, S. W. and Drieger, A. S.: 1975,Solar Phys. 45, 411.Google Scholar
  13. Rees, M. J.: 1977,Nature,266, 333.Google Scholar
  14. Sakurai, K.: 1975,Physics of Solar Cosmic Rays, Chapter 5 University of Tokyo Press, Tokyo.Google Scholar
  15. Sturrock, P. A.: 1968, in K. O. Kiepenheuer (ed.), ‘Structure and Development of Solar Active Regions’,IAU Symp. 35, 471.Google Scholar
  16. Sturrock, P. A. and Coppi, B.: 1964,Nature,204, 61.Google Scholar
  17. Tandberg Hanssen, E.: 1967,Solar Activity, Chaper 6, Blaisdell Publ. Co., Waltham, Mass.Google Scholar
  18. van Beek, H. F., de Feiter, L. and de Jager, C.: 1974, inSpace Research, XIV, Akademie-Verlag, Berlin, W. Germany, p. 447.Google Scholar

Copyright information

© D. Reidel Publishing Company 1978

Authors and Affiliations

  • Pierre Kaufmann
    • 1
  1. 1.Conselho Nacional de Desenvolvimento Cientifico e TecnológicoSão PauloBrazil

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