Gravity of monopole and string and the gravitational constant in 3He-A

  • E. Volovik
Condensed Matter


We discuss the effective metric produced in superfluid 3He-A by such topological objects as the radial disgyration and monopole. In relativistic theories these metrics are similar to that of the local string and global monopole, respectively. But in 3He-A they have a negative angle deficit, which corresponds to a negative mass of the topological objects. The effective gravitational constant in superfluid 3He-A, deduced from a comparison with relativistic theories, is G∼Δ−2, where the gap amplitude Δ plays the part of the Planck energy. G depends on temperature roughly as (1−T2/T c 2 )−2 and corresponds to a screening of Newton’s constant.

PACS numbers

04.80.2y 06.20.Jr 67.57.2z 


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Copyright information

© MAIK "Nauka/Interperiodica" 1998

Authors and Affiliations

  • E. Volovik
    • 1
    • 2
  1. 1.Low Temperature LaboratoryHelsinki University of TechnologyEspooFinland
  2. 2.L. D. Landau Institute of Theoretical PhysicsRussian Academy of SciencesMoscowRussia

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