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Bose condensation in supercritical external fields charged condensates

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

This paper extends a previous one which was applicable only to short range interactions. We study the relativistic field theory of a charged spin-zero boson field in the presence of the Coulomb field of a prescribed (nuclear) charge distribution. It is shown that for a sufficiently intense field the ground state is unstable against the formation of a Bose-Einstein condensate of negatively charged bosons, positively charged bosons escaping the system. When the effects of weak interaction are included, the instability occurs in a weaker field and positrons are emitted. A consistent quantum theory is formulated after the Coulomb interaction of the bosons is included. Properties of the condensate are examined in the limit of large condensate density, in a mean field approximation, which is also studied numerically. Possible implications concerning the existence of abnormally bound nuclei are presented.

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References

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Authors and Affiliations

  1. Department of Physics, University of Pennsylvania, Philadelphia, Pennsylvania, USA

    Abraham Klein

  2. Argonne National Laboratory, Argonne, Illinois, USA

    Johann Rafelski

Authors
  1. Abraham Klein
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  2. Johann Rafelski
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Additional information

Work performed under the auspices of the U.S. Energy Research and Development Administration

Supported through funds provided by Contract No. AT(11-1)-3071. Part of this work was done during the tenure of a John Simon Guggenheim Foundation Fellowship

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Klein, A., Rafelski, J. Bose condensation in supercritical external fields charged condensates. Z Physik A 284, 71–81 (1978). https://doi.org/10.1007/BF01433878

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  • DOI: https://doi.org/10.1007/BF01433878

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