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Monopole, half-quantum vortex, and nexus in chiral superfluids and superconductors

  • G. E. Volovik
Condensed Matter

Abstract

Two exotic objects are still not identified experimentally in chiral superfluids and superconductors. These are the half-quantum vortex, which plays the part of the Alice string in relativistic theories [A. S. Schwarz, Nucl. Phys. B 208, 141 (1982)], and the hedgehog in the Î field, which is the counterpart of the Dirac magnetic monopole. These two objects of different dimensionality are topologically connected. They form a combined object which is called a nexus [John M. Cornwall, hep-th/9911125; Phys. Rev. D 59, 125015 (1999); Phys. Rev. D 58, 105028 (1998)] or center monopole [N. N. Chernodub, M. I. Polikarpov, A. I. Veselov and M. A. Zubkov, Nucl. Phys. Proc. Suppl. 73, 575 (1999)] in relativistic theories. Such a combination will permit the observation of half-quantum vortices and monopoles in several realistic geometries.

PACS numbers

67.55.Fa 74.20.−z 

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References

  1. 1.
    A. S. Schwarz, Nucl. Phys. B 208, 141 (1982).CrossRefADSGoogle Scholar
  2. 2.
    John M. Cornwall, http://xxx.lanl.gov/abs/hep-th/9911125; Phys. Rev. D 59, 125015 (1999); Phys. Rev. D 58, 105028 (1998).
  3. 3.
    N. N. Chernodub, M. I. Polikarpov, A. I. Veselov and M. A. Zubkov, Nucl. Phys. Proc. Suppl. 73, 575 (1999).ADSGoogle Scholar
  4. 4.
    H. Reinhardt, M. Engelhardt, K. Langfeld et al., http://xxx.lanl.gov/abs/hep-th/9911145.
  5. 5.
    G. E. Volovik and V. P. Mineev, JETP Lett. 24, 561 (1976).ADSGoogle Scholar
  6. 6.
    S. Blaha, Phys. Rev. Lett. 36, 874 (1976).CrossRefADSGoogle Scholar
  7. 7.
    G. E. Volovik and V. P. Mineev, JETP Lett. 23, 593 (1976).ADSGoogle Scholar
  8. 8.
    G. E. Volovik, Usp. Fiz. Nauk 143, 73 (1984) [Sov. Phys. Usp. 27, 363 (1984)].Google Scholar
  9. 9.
    M. Rice, Nature (London) 396, 627 (1998); K. Ishida, H. Mukuda, Y. Kitaoka et al., Nature (London) 396, 658 (1998).CrossRefGoogle Scholar
  10. 10.
    D. Vollhardt and P. Wölfle, The Superfluid Phases of 3He, Taylor & Francis, London, 1990.Google Scholar
  11. 11.
    S. Grebenev, M. Hartmann, A. Lindinger et al., to be published in Physica B 284–288 (2000).Google Scholar
  12. 12.
    Kwai-Kong Ng and M. Sigrist, http://xxx.lanl.gov/abs/cond-mat/9911325.
  13. 13.
    Tin-Lun Ho, Phys. Rev. Lett. 81, 742 (1998).CrossRefADSGoogle Scholar
  14. 14.
    G. E. Volovik, JETP Lett. 70, 609 (1999).ADSGoogle Scholar
  15. 15.
  16. 16.
  17. 17.
  18. 18.

Copyright information

© MAIK "Nauka/Interperiodica" 1999

Authors and Affiliations

  • G. E. Volovik
    • 1
    • 2
  1. 1.Low Temperature LaboratoryHelsinki University of TechnologyFinland
  2. 2.Landau Institute of Theoretical PhysicsRussian Academy of SciencesMoscowRussia

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