A relativistically covariant version of Bohm's quantum field theory for the scalar field

@article{Horton2004ARC,
  title={A relativistically covariant version of Bohm's quantum field theory for the scalar field},
  author={George Horton and Chris Dewdney},
  journal={Journal of Physics A},
  year={2004},
  volume={37},
  pages={11935-11943}
}
We give a relativistically covariant, wave-functional formulation of Bohm's quantum field theory for the scalar field based on a general foliation of spacetime by space-like hypersurfaces. The wave functional, which guides the evolution of the field, is spacetime-foliation independent but the field itself is not. Hence, in order to have a theory in which the field may be considered a beable, some extra rule must be given to determine the foliation. We suggest one such rule based on the… 
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