Nonlinear Coupling of Quantum Theory and Classical Gravity

Feb, 1979
13 pages
Published in:
  • J.Phys.A 13 (1980) 141
Report number:
  • ICTP/78-79/7

Citations per year

19801991200220132024024681012
Abstract: (IOP)
Discusses the possibility that the non-linear evolution proposed earlier for a relativistic quantum field theory may be related to its coupling to a classical gravitational field. Formally, in the Schrodinger picture, it is shown how both the Schrodinger equation and Einstein's equations (with the expectation value of the energy-momentum tensor on the right) can be derived from a variational principle. This yields a non-linear quantum evolution. Other terms can be added to the action integral to incorporate explicit nonlinearities of the type discussed previously. The authors discuss briefly the possibility of giving a meaning to the resulting equation in a Heisenberg or interaction-like picture.
  • FIELD THEORY: NONLINEAR
  • FIELD THEORY: CLASSICAL
  • GRAVITATION
  • QUANTUM MECHANICS: SCHROEDINGER EQUATION
  • TENSOR: ENERGY-MOMENTUM