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Interacting quantum fields and the chronometric principle.

I E Segal1

  • 1Massachusetts Institute of Technology, Cambridge, Mass. 02139.

Proceedings of the National Academy of Sciences of the United States of America
|October 1, 1976
PubMed
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This study introduces a new quantum field theory interaction intrinsic to the field itself. It avoids nonlinearities and ultraviolet divergences, enabling real particle production.

Area of Science:

  • Quantum Field Theory
  • Theoretical Physics
  • Cosmology

Background:

  • Current quantum field theories often rely on superimposed nonlinearities for interactions.
  • A distinction between physical and observed energies is crucial in chronometric cosmology.
  • Nonunitary representations in quantum field theory present unique challenges.

Purpose of the Study:

  • To describe a physically intrinsic interaction in quantum field theory.
  • To extend the energy distinction from cosmology to general symmetries in quantum field theory.
  • To develop a theory free from ultraviolet divergences and capable of real particle production.

Main Methods:

  • Extension of the physical/observed energy distinction to general symmetries.
  • Application of quantum field theory precepts to nonunitary representations.

Related Experiment Videos

  • Formulation of an intrinsically interacting quantum field.

    • Main Results:

    • The developed interacting field is covariant and causal.
    • The theory naturally incorporates real particle production.
    • Nontrivial ultraviolet divergences are eliminated.

    Conclusions:

    • The proposed framework offers a novel approach to quantum field interactions.
    • This intrinsic interaction model has potential applications in physical phenomena.
    • The theory provides a consistent description of particle production and field dynamics.