Gravitational Tunnelling of Relativistic Shells
Poster presented at the 6th International Symposium on Foundations of Fundamental and Computational Physics (FFP6)
Stefano Ansoldi and Lorenzo Sindoni
26-29 September 2004, Udine, Italy

Entry Page

1. First section,
   Shells, Geometry and Physics
• Conventions
  and Notations
• Preliminary definitions
• Shell Geometric
  Quantities
• Energy-matter
  content
2. Second section,
   Israel JunctionConditions
   • Extrinsic curvature
   • Junction conditions
     
3. Third section,
   Dynamics and
   Effective Dynamics
   • Spherical simmetry
   • Effective dynamics
   • Bohr-Sommerfeld states
4. Fourth section,
   Tunnelling and
   Euclidean Momentum
   • Tunnelling trajectories and Euclidean momentum
   • Euclidean momentum and tunnelling action
   • Euclidean action
   • Some test cases
   • A special "case study"
5. Fifth section,
   A Consistency Problem...
   • Discontinuity of the momentum?
   • Momentum non zero at the extrema?
6. Sixth section,
   ...
• Two alternative choices?
• Let us force both of them...
• ... and see what happens!
7. Seventh section,
   ... and a Possible Solution
   • The proposed solution!
   • Wrapping cone momentum:
     first view
   • Wrapping cone momentum:
     second view
   • Wrapping cone momentum:
     third view
   • Conclusion